Changes for page LSS Communication Protocol

Last modified by Eric Nantel on 2025/06/06 07:47

From version < 191.1 >

edited by Coleman Benson
on 2020/05/01 13:10

To version < 92.4 >

edited by Eric Nantel
on 2019/01/29 15:30

< >

Change comment: allow view right for XWiki.Profiles (Lynxmotion).BETA Testers

Summary

Page properties (3 modified, 0 added, 0 removed)
Attachments (0 modified, 0 added, 2 removed)
- LSS - LED Patterns.png
- LSS-Protocol-Backup-2020-05-01.zip
Objects (0 modified, 3 added, 1 removed)

Details

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--lynxmotion-smart-servo.WebHome
++Lynxmotion Smart Servo (LSS).WebHome

Author

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--xwiki:XWiki.CBenson
++xwiki:XWiki.ENantel

Content

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  (% class="wikigeneratedid" id="HTableofContents" %)
--**Page Contents**
++**Table of Contents**
  {{toc depth="3"/}}
--= Serial Protocol =
++= Protocol Concepts =
--The Lynxmotion Smart Servo (LSS) serial protocol was created in order to be as simple and straightforward as possible from a user perspective ("human readable format"), while at the same time staying compact and robust yet highly versatile. The protocol was based on Lynxmotion's SSC-32 & SSC-32U RC servo controllers and almost everything one might expect to be able to configure for a smart servomotor is available.
++The Lynxmotion Smart Servo (LSS) protocol was created in order to be as simple and straightforward as possible from a user perspective, while at the same time trying to stay compact and robust yet highly versatile. Almost everything one might expect to be able to configure for a smart servo motor is available.
--In order to be able to control each servo individually with commands, the first step should be to assign a different ID number to each servo (see details on CID [[here>>doc:||anchor="HIdentificationNumber28ID29"]]). Once this has been done, only the servo(s) which have been assigned to the ID sent as part of the command will follow that command. There is currently no CRC or checksum implemented as part of the protocol.
--
  == Session ==
--{{html clean="false" wiki="true"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--A "session" is defined as the time between when the servo is powered ON to when it is powered OFF or reset.<div class="wikimodel-emptyline"></div>
++A "session" is defined as the time between when the servo is powered ON to when it is powered OFF or reset.
--**Note #1:** For a given session, the action related to a specific command overrides the stored value in EEPROM.<div class="wikimodel-emptyline"></div>
--**Note #2:** During the power-on / reset process the LSS cannot accept commands for a small amount of time (1.25 s).<div class="wikimodel-emptyline"></div>
--You can ensure the LSS is ready by using a query command to check for response (ex: #[id]Q\r or #[id]QID\r). If the LSS is ready for commands (initialized) it will respond to the query. A timeout between 50-100 ms is recommended to compensate for drivers, OS and buffering delays.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
  == Action Commands ==
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Action commands tell the servo, within that session, to do something (i.e. "take an action"). The types of action commands which can be sent are described below, and they cannot be combined with other commands such as queries or configurations. Only one action command can be sent at a time. Action commands are session-specific, therefore once a servo is power cycled, it will not have any "memory" of previous actions or [[virtual positions>>||anchor="HVirtualAngularPosition"]]. Action commands are sent serially to the servo's Rx pin and must be sent in the following format:<div class="wikimodel-emptyline"></div>
++Action commands are sent serially to the servo's Rx pin and must be set in the following format:
--1. Start with a number sign **#** (Unicode Character: U+0023)
++1. Start with a number sign # (U+0023)
 . Servo ID number as an integer
--1. Action command (one or more letters, no whitespace, capital or lower case)
++1. Action command (one to three letters, no spaces, capital or lower case)
 . Action value in the correct units with no decimal
--1. End with a carriage return **&#92;r** or **&lt;cr&gt;** Unicode Character (U+000D)
++1. End with a control / carriage return '<cr>'
  (((
--Ex: #5D1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5PD1443<cr>
--This sends a serial command to all servo's RX pins which are connected to the bus and only servo(s) with ID #5 will move to a position (1800 in tenths of degrees) of 180.0 degrees. Any servo on the bus which does not have ID 5 will take no action when receiving this command.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Move servo with ID #5 to a position of 144.3 degrees.
--== Modifiers ==
++Action commands cannot be combined with query commands, and only one action command can be sent at a time.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Modifiers can only be used with certain **action commands**. The format to include a modifier is:<div class="wikimodel-emptyline"></div>
++Action commands are session-specific, therefore once a servo is power cycled, it will not have any "memory" of previous actions or virtual positions (as described at the bottom of this page).
--1. Start with a number sign **#** (Unicode Character: U+0023)
++== Action Modifiers ==
++
++Two commands can be used as action modifiers only: Timed Move and Speed. The format is:
++
++1. Start with a number sign # (U+0023)
 . Servo ID number as an integer
 . Action command (one to three letters, no spaces, capital or lower case)
 . Action value in the correct units with no decimal
--1. Modifier command (one letter to too letters)
++1. Modifier command (one letter)
 . Modifier value in the correct units with no decimal
--1. End with a carriage return **&#92;r** or **&lt;cr&gt;** Unicode Character (U+000D)
++1. End with a control / carriage return '<cr>'
--Ex: #5D1800T1500&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5P1456T1263<cr>
--This results in the servo with ID #5 rotating to a position (1800 in tenths of degrees) of 180.0 degrees in a time ("T") of 1500 milliseconds (1.5 seconds).<div class="wikimodel-emptyline"></div>
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Results in the servo rotating from the current angular position to a pulse position of 1456 in 1263 milliseconds.
--== Query Commands ==
++Action modifiers can only be used with certain commands.
++)))
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Query commands request information from the servo. They are received via the Rx pin of the servo, and the servo's reply is sent via the servo's Tx pin. Using separate lines for Tx and Rx is called "full duplex". Query commands are also similar to action and configuration commands and must use the following format:<div class="wikimodel-emptyline"></div>
--
--1. Start with a number sign **#** (Unicode Character: U+0023)
--1. Servo ID number as an integer
--1. Query command (one to four letters, no spaces, capital or lower case)
--1. End with a carriage return **&#92;r** or **&lt;cr&gt;** Unicode Character (U+000D)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QD&lt;cr&gt; Query position in (tenth of) degrees for servo #5<div class="wikimodel-emptyline"></div>
--
--The query will return a serial string (almost instantaneously) via the servo's Tx pin with the following format:
--
--1. Start with an asterisk * (Unicode Character: U+0023)
--1. Servo ID number as an integer
--1. Query command (one to four letters, no spaces, capital letters)
--1. The reported value in the units described, no decimals.
--1. End with a carriage return **&#92;r** or **&lt;cr&gt;** Unicode Character (U+000D)<div class="wikimodel-emptyline"></div>
--
--There is currently no option to control how fast a servo replies after it has received a query command, therefore when sending a query command to the bus, the controller should be prepared to immediately "listen" for and parse the reply. Sending multiple queries to multiple servos on a bus in fast succession may result in replies overlapping and giving incorrect or corrupt data. As such, the controller should receive a reply before sending a new query command. A reply to the query sent above might be:<div class="wikimodel-emptyline"></div>
--
--Ex: *5QD1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This indicates that servo #5 is currently at 180.0 degrees (1800 tenths of degrees).
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
  == Configuration Commands ==
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Configuration commands and corresponding values affect a servo's defaults which are written to and read from the servo's EEPROM.<div class="wikimodel-emptyline"></div>
++Configuration commands affect the servo's current session* but unlike action commands, configuration commands are written to EEPROM and are retained even if the servo loses power (therefore NOT session specific). Not all action commands have a corresponding configuration and vice versa. Certain configurations are retained for when the servo is used in RC model. More information can be found on the [[LSS - RC PWM page>>doc:Lynxmotion Smart Servo (LSS).LSS - RC PWM.WebHome]].
--These configurations are retained in memory after the servo is reset or power is cut / lost. Some configuration commands affect the session, while others do not. In the Command table below, the column "Session" denotes if the configuration command affects the session. Not all action commands have a corresponding configuration command and vice versa. More information about which configuration commands are retained when in RC mode can be found on the [[LSS - RC PWM page>>doc:lynxmotion-smart-servo.lss-radio-control-pwm.WebHome]]. Configuration commands are not cumulative. This means that if two same configuration commands are sent, one after the next, only the last configuration is used and stored.<div class="wikimodel-emptyline"></div>
--
--The format to send a configuration command is identical to that of an action command:<div class="wikimodel-emptyline"></div>
--
--1. Start with a number sign **#** (Unicode Character: U+0023)
++1. Start with a number sign # (U+0023)
 . Servo ID number as an integer
--1. Configuration command (two to four letters, no spaces, capital or lower case)
++1. Configuration command (two to three letters, no spaces, capital or lower case)
 . Configuration value in the correct units with no decimal
--1. End with a carriage return **&#92;r** or **&lt;cr&gt;** Unicode Character (U+000D)<div class="wikimodel-emptyline"></div>
++1. End with a control / carriage return '<cr>'
--Ex: #5CO-50&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5CO-50<cr>
--This configures an absolute origin offset ("CO") with respect to factory origin of servo with ID #5 and changes the offset for that session to -5.0 degrees (50 tenths of degrees). Once the servo is powered off and on, zeroing the servo will cause it to move to -5.0 degrees with respect to the factory origin and report its position as 0 degrees. Configuration commands can be undone / reset either by sending the servo's default value for that configuration, or by doing a factory reset that clears all configurations (through the button menu or with DEFAULT command described below).<div class="wikimodel-emptyline"></div>
++Assigns an absolute origin offset of -5.0 degrees (with respect to factory origin) to servo #5 and changes the offset for that session to -5.0 degrees.
--**Session vs Configuration Query**<div class="wikimodel-emptyline"></div>
++Configuration commands are not cumulative, in that if two configurations are sent at any time, only the last configuration is used and stored.
--By default, the query command returns the session's value. Should no action commands have been sent to change the session value, it will return the value saved in EEPROM which will either be the servo's default, or modified with a configuration command. In order to query the value stored in EEPROM (configuration), add a '1' to the query command:<div class="wikimodel-emptyline"></div>
++*Important Note: the one exception is the baud rate - the servo's current session retains the given baud rate. The new baud rate will only be in place when the servo is power cycled.
--Ex: #5CSR20&lt;cr&gt; immediately sets the maximum speed for servo #5 to 20rpm (explained below) and changes the value in memory.<div class="wikimodel-emptyline"></div>
++== Query Commands ==
--After RESET, a command of #5SR4&lt;cr&gt; sets the session's speed to 4rpm, but does not change the configuration value in memory. Therefore:<div class="wikimodel-emptyline"></div>
++Query commands are sent serially to the servo's Rx pin and must be set in the following format:
--#5QSR&lt;cr&gt; or #5QSR0&lt;cr&gt;  would return *5QSR4&lt;cr&gt; which represents the value for that session, whereas<div class="wikimodel-emptyline"></div>
++1. Start with a number sign # (U+0023)
++1. Servo ID number as an integer
++1. Query command (one to three letters, no spaces, capital or lower case)
++1. End with a control / carriage return '<cr>'
--#5QSR1&lt;cr&gt; would return *5QSR20&lt;cr&gt; which represents the value in EEPROM
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++(((
++Ex: #5QD<cr>Query position in degrees for servo #5
++)))
--== Virtual Angular Position ==
++(((
++The query will return a value via the Tx pin with the following format:
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The ability to store a "virtual angular position" is a feature which allows for rotation beyond 360 degrees, permitting multiple rotations of the output horn, moving the center position and more. The "absolute position" would be the angle of the output shaft with respect to a 360.0 degree circle and can be obtained by taking the modulus (with respect to 360 degrees) of the value. For example if the virtual position is reported as 15335 (or 1533.5 degrees), taking the modulus would give 93.5 degrees (3600 * 4 + 935 = 15335) as the absolute position (assuming no origin offset).<div class="wikimodel-emptyline"></div>
++1. Start with an asterisk (U+002A)
++1. Servo ID number as an integer
++1. Query command (one to three letters, no spaces, capital letters)
++1. The reported value in the units described, no decimals.
++1. End with a control / carriage return '<cr>'
--[[image:LSS-servo-positions.jpg]]<div class="wikimodel-emptyline"></div>
++(((
++Ex: *5QD1443<cr>
++)))
--In this example, the gyre direction (explained below, a.k.a. "rotation direction") is positive (clockwise), and origin offset has not been modified. Each square represents 30 degrees. The following command is sent:<div class="wikimodel-emptyline"></div>
++Indicates that servo #5 is currently at 144.3 degrees.
--#1D-300&lt;cr&gt; This causes the servo to move to -30.0 degrees (green arrow)<div class="wikimodel-emptyline"></div>
++**Session vs Configuration Query**
--#1D2100&lt;cr&gt; This second position command is sent to the servo, which moves it to 210.0 degrees (orange arrow)<div class="wikimodel-emptyline"></div>
++By default, the query command returns the sessions' value; should no action commands have been sent to change, it will return the value saved in EEPROM from the last configuration command.
--#1D-4200&lt;cr&gt; This next command rotates the servo counterclockwise to a position of -420 degrees (red arrow), which means one full rotation of 360 degrees plus 60.0 degrees (420.0 - 360.0), with a virtual position of -420.0 degrees.<div class="wikimodel-emptyline"></div>
++In order to query the value in EEPROM, add a '1' to the query command.
--Although the final physical position would be the same as if the servo were commanded to move to -60.0 degrees, the servo is in fact at -420.0 degrees.<div class="wikimodel-emptyline"></div>
++Ex: #5CSR20<cr> sets the maximum speed for servo #5 to 20rpm upon RESET (explained below).
--#1D4800&lt;cr&gt; This new command is sent which would then cause the servo to rotate from -420.0 degrees to 480.0 degrees (blue arrow), which would be a total of 900 degrees of clockwise rotation, or 2.5 complete rotations.<div class="wikimodel-emptyline"></div>
++After RESET: #5SR4<cr> sets the session's speed to 4rpm.
--#1D3300&lt;cr&gt; would cause the servo to rotate from 480.0 degrees to 330.0 degrees (yellow arrow).<div class="wikimodel-emptyline"></div>
++#5QSR<cr> would return *5QSR4<cr> which represents the value for that session.
--If the servo loses power or is power cycled, it also loses the virtual position associated with that session. For example, if the virtual position was 480.0 degrees before power is cycled, upon power up the servo's position will be read as +120.0 degrees from zero (assuming center position has not been modified). The virtual position range at power-up is [-180.0°, 180.0°].
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++#5QSR1<cr> would return *5QSR20<cr> which represents the value in EEPROM
--= Command List =
++== Virtual Angular Position ==
--**Latest firmware version currently : 368.29.14**
++{In progress}
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**Communication Setup**>>||anchor="COMMUNICATION_SETUP"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Action**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[**Reset**>>||anchor="RESET"]]|(% style="text-align:center" %)RESET|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Soft reset. See command for details.
--| |[[**Default** Configuration>>||anchor="DEFAULT"]]|(% style="text-align:center" %)DEFAULT|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Revert to firmware default values. See command for details
--| |[[Firmware **Update** Mode>>||anchor="UPDATE_CONFIRM"]]|(% style="text-align:center" %)UPDATE|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Update firmware. See command for details.
--| |[[**Confirm** Changes>>||anchor="CONFIRM"]]|(% style="text-align:center" %)CONFIRM|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |
--| |[[**C**hange to **RC**>>||anchor="CHANGE_RC"]]|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)CRC|(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Change to RC mode 1 (position) or 2 (wheel).
--| |[[**ID** #>>||anchor="ID"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QID|(% style="text-align:center" %)CID|(% style="text-align:center" %) |(% style="text-align:center" %)✓|0| |Reset required after change. ID 254 is a "broadcast" which all servos respond to.
--| |[[**B**audrate>>||anchor="BAUDRATE"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QB|(% style="text-align:center" %)CB|(% style="text-align:center" %) |(% style="text-align:center" %)✓|115200| |Reset required after change.
++A "virtual position" is one which allows for multiple rotations of the output horn, moving the center position and more. The "absolute position" would be the angle of the output shaft with respect to 360.0 degrees.
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**Motion**>>||anchor="MOTION"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Action**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[Position in **D**egrees>>||anchor="POSITION_D"]]|(% style="text-align:center" %)D|(% style="text-align:center" %)QD/QDT|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |1/10°|
--| |[[**M**ove in **D**egrees (relative)>>||anchor="MOVE_D"]]|(% style="text-align:center" %)MD|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |1/10°|
--| |[[**W**heel mode in **D**egrees>>||anchor="WHEEL_D"]]|(% style="text-align:center" %)WD|(% style="text-align:center" %)QWD/QVT|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |°/s|A.K.A. "Speed mode" or "Continuous rotation"
--| |[[**W**heel mode in **R**PM>>||anchor="WHEEL_RPM"]]|(% style="text-align:center" %)WR|(% style="text-align:center" %)QWR|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |RPM|A.K.A. "Speed mode" or "Continuous rotation"
--| |[[Position in **P**WM>>||anchor="POSITION_PWM"]]|(% style="text-align:center" %)P|(% style="text-align:center" %)QP|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |us|Inherited from SSC-32 serial protocol
--| |[[**M**ove in PWM (relative)>>||anchor="MOVE_PWM"]]|(% style="text-align:center" %)M|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |us|
--| |[[**R**aw **D**uty-cycle **M**ove>>||anchor="MOVE_RAW"]]|(% style="text-align:center" %)RDM|(% style="text-align:center" %)QMD|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |-1023 to 1023 integer|Positive values : CW / Negative values : CCW
--| |[[**Q**uery Status>>||anchor="QUERY_STATUS"]]|(% style="text-align:center" %) |(% style="text-align:center" %)Q|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |1 to 8 integer|See command description for details
--| |[[**L**imp>>||anchor="LIMP"]]|(% style="text-align:center" %)L|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |
--| |[[**H**alt & Hold>>||anchor="HALT_HOLD"]]|(% style="text-align:center" %)H|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |
++[[image:LSS-servo-positions.jpg]]
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**Motion Setup**>>||anchor="MOTION_SETUP"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Action**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[**E**nable **M**otion Profile>>||anchor="MOTION_PROFILE"]]|(% style="text-align:center" %)EM|(% style="text-align:center" %)QEM|(% style="text-align:center" %)CEM|(% style="text-align:center" %) |(% style="text-align:center" %)✓|1| |EM1: trapezoidal motion profile / EM0: no motion profile
--| |[[**F**ilter **P**osition **C**ount>>||anchor="FILTER_POSITION_COUNT"]]|(% style="text-align:center" %)FPC|(% style="text-align:center" %)QFPC|(% style="text-align:center" %)CFPC|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|5| |Affects motion only when motion profile is disabled (EM0)
--| |[[**O**rigin Offset>>||anchor="ORIGIN_OFFSET"]]|(% style="text-align:center" %)O|(% style="text-align:center" %)QO|(% style="text-align:center" %)CO|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|0|1/10°|
--| |[[**A**ngular **R**ange>>||anchor="ANGULAR_RANGE"]]|(% style="text-align:center" %)AR|(% style="text-align:center" %)QAR|(% style="text-align:center" %)CAR|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|1800|1/10°|
--| |[[**A**ngular **S**tiffness>>||anchor="ANGULAR_STIFFNESS"]]|(% style="text-align:center" %)AS|(% style="text-align:center" %)QAS|(% style="text-align:center" %)CAS|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|0|-4 to +4 integer|Suggested values are between 0 to +4
--| |[[**A**ngular **H**olding Stiffness>>||anchor="ANGULAR_HOLDING_STIFFNESS"]]|(% style="text-align:center" %)AH|(% style="text-align:center" %)QAH|(% style="text-align:center" %)CAH|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|4|-10 to +10 integer|
--| |[[**A**ngular **A**cceleration>>||anchor="ANGULAR_ACCELERATION"]]|(% style="text-align:center" %)AA|(% style="text-align:center" %)QAA|(% style="text-align:center" %)CAA|(% style="text-align:center" %) |(% style="text-align:center" %)✓|100|°/s^^2^^|Increments of 10°/s^^2^^. Only when motion profile is enabled (EM1).
--| |[[**A**ngular **D**eceleration>>||anchor="ANGULAR_DECELERATION"]]|(% style="text-align:center" %)AD|(% style="text-align:center" %)QAD|(% style="text-align:center" %)CAD|(% style="text-align:center" %) |(% style="text-align:center" %)✓|100|°/s^^2^^|Increments of 10°/s^^2^^. Only when motion profile is enabled (EM1).
--| |[[**G**yre Direction>>||anchor="GYRE_DIRECTION"]]|(% style="text-align:center" %)G|(% style="text-align:center" %)QG|(% style="text-align:center" %)CG|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|1| |Gyre / rotation direction: 1= CW (clockwise) -1 = CCW (counter-clockwise)
--| |[[**F**irst Position (**D**eg)>>||anchor="FIRST_POSITION"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QFD|(% style="text-align:center" %)CFD|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|No value|1/10°|Reset required after change.
--| |[[**M**aximum **M**otor **D**uty>>||anchor="MAXIMUM_RAW"]]|(% style="text-align:center" %)MMD|(% style="text-align:center" %)QMMD|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓|1023|255 to 1023 integer|
--| |[[Maximum **S**peed in **D**egrees>>||anchor="MAXIMUM_SPEED_D"]]|(% style="text-align:center" %)SD|(% style="text-align:center" %)QSD|(% style="text-align:center" %)CSD|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|Max|°/s|SD overwrites SR / CSD overwrites CSR and vice-versa
--| |[[Maximum **S**peed in **R**PM>>||anchor="MAXIMUM_SPEED_RPM"]]|(% style="text-align:center" %)SR|(% style="text-align:center" %)QSR|(% style="text-align:center" %)CSR|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓|Max|RPM|SD overwrites SR / CSD overwrites CSR and vice-versa
++Example: Gyre direction / rotation is positive (clockwise), and origin offset has not been modified. Each square represents 30 degrees.
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**Modifiers**>>||anchor="MODIFIERS"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Modifier**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[**S**peed>>||anchor="SPEEDS"]]|(% style="text-align:center" %)S|(% style="text-align:center" %)QS|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |uS/s |For P action command
--| |[[**S**peed in **D**egrees>>||anchor="SPEEDS"]]|(% style="text-align:center" %)SD|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |°/s|For D and MD action commands
--| |[[**T**imed move>>||anchor="TIMED_MOVE"]]|(% style="text-align:center" %)T|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |ms|Modifier only for P, D and MD. Time can change based on load
--| |[[**C**urrent **H**old>>||anchor="CURRENT_HOLD"]]|(% style="text-align:center" %)CH|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |mA|Modifier for D, MD, WD and WR
--| |[[**C**urrent **L**imp>>||anchor="CURRENT_LIMP"]]|(% style="text-align:center" %)CL|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |mA|Modifier for D, MD, WD and WR
++#1D-300<cr> The servo is sent a command to move to -30.0 degrees (green arrow)
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**Telemetry**>>||anchor="TELEMETRY"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Action**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[**Q**uery **V**oltage>>||anchor="QUERY_VOLTAGE"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QV|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |mV|
--| |[[**Q**uery **T**emperature>>||anchor="QUERY_TEMP"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QT|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |1/10°C|
--| |[[**Q**uery **C**urrent>>||anchor="QUERY_CURRENT"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QC|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| |mA|
--| |[[**Q**uery **M**odel **S**tring>>||anchor="QUERY_MODEL"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QMS|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Returns the model of servo (ex: LSS-ST1, LSS-HS1, LSS-HT1)
--| |[[**Q**uery **F**irmware Version>>||anchor="QUERY_FIRMWARE"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QF|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |
--| |[[**Q**uery Serial **N**umber>>||anchor="QUERY_SERIAL"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QN|(% style="text-align:center" %) |(% style="text-align:center" %) |(% style="text-align:center" %)✓| | |Returns the unique serial number for the servo
++#1D2100<cr> This second position command is sent to the servo, which moves it to 210.0 degrees (orange arrow)
--|(% colspan="10" style="color:orange; font-size:18px" %)[[**RGB LED**>>||anchor="RGB_LED"]]
--|(% style="width:25px" %) |(% style="width:200px" %)**Description**|(% style="text-align:center; width:100px" %)**Action**|(% style="text-align:center; width:75px" %)**Query**|(% style="text-align:center; width:75px" %)**Config**|(% style="text-align:center; width:75px" %)**RC**|(% style="text-align:center; width:75px" %)**Serial**|(% style="width:100px" %)**Default**|(% style="width:170px" %)**Unit**|**Notes**
--| |[[**LED** Color>>||anchor="LED_COLOR"]]|(% style="text-align:center" %)LED|(% style="text-align:center" %)QLED|(% style="text-align:center" %)CLED|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓| |0 to 7 integer|0=Off; 1=Red; 2=Green; 3=Blue; 4=Yellow; 5=Cyan; 6=Magenta; 7=White
--| |[[**C**onfigure **L**ED **B**linking>>||anchor="LED_BLINK"]]|(% style="text-align:center" %) |(% style="text-align:center" %)QLB|(% style="text-align:center" %)CLB|(% style="text-align:center" %)✓|(% style="text-align:center" %)✓| |0 to 63 integer|Reset required after change. See command for details.
++#1D-4200<cr> This next command rotates the servo counterclockwise to a position of -420 degrees (red arrow), which means one full rotation of 360 degrees,  stopping at an absolute position of 60.0 degrees (420.0-360.0), with a virtual position of -420.0 degrees.
--= (% style="color:inherit; font-family:inherit" %)Details(%%) =
++Although the final physical position would be the same as if the servo were commanded to move to -60.0 degrees, the servo is in fact at -420.0 degrees.
--{{id name="COMMUNICATION_SETUP"/}}
++#1D4800<cr> This new command is sent which would then cause the servo to rotate from -420.0 degrees to 480.0 degrees (blue arrow), which would be a total of 900 degrees of clockwise rotation, or 2.5 complete rotations.
--== (% style="color:inherit; font-family:inherit" %)Communication Setup(%%) ==
++#1D3300<cr> would cause the servo to rotate from 480.0 degrees to 330.0 degrees (yellow arrow).
--{{id name="RESET"/}}
++If / once the servo loses power or is power cycled, it also loses the virtual position associated with that session. For example, if the virtual position was 480.0 degrees before power is cycled, upon power up the servo's position will be read as +120.0 degrees from zero (assuming center position has not been modified).
++)))
--====== __Reset__ ======
++= Command List =
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5RESET&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This command does a "soft reset" and reverts all commands to those stored in EEPROM (i.e. configuration commands).
--Note: after a RESET command is received, the LSS will restart and perform initilization again, making it unavailable on the bus for a bit. See [[Session>>||anchor="HSession"]], note #2 for more details.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++|= #|=Description|= Action|= Query|= Config|= RC|= Serial|= Units|= Notes|=(% style="width: 50px;" %)Default
++| 1|[[**L**imp>>||anchor="H1.Limp28L29"]]| L| | | |  ✓|none| |(% style="text-align:center" %)
++| 2|[[**H**alt & Hold>>||anchor="H2.Halt26Hold28H29"]]| H| | | |  ✓|none| |(% style="text-align:center" %)
++| 3|[[**T**imed move>>||anchor="H3.Timedmove28T29"]]| T| | | |  ✓|milliseconds| Modifier only (P, D, MD)|(% style="text-align:center" %)
++| 4|[[**S**peed>>||anchor="H4.Speed28S29"]]| S| | | |  ✓|microseconds / second| Modifier only (P)|(% style="text-align:center" %)
++| 5|[[**M**ove in **D**egrees (relative)>>||anchor="H5.28Relative29MoveinDegrees28MD29"]]| MD| | | |  ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)| |(% style="text-align:center" %)
++| 6|[[**O**rigin Offset>>||anchor="H6.OriginOffsetAction28O29"]]| O| QO| CO| ✓|  ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)| |(% style="text-align:center" %)(((
++00
--{{id name="DEFAULT"/}}
++0.0 degrees
++)))
++| 7|[[**A**ngular **R**ange>>||anchor="H7.AngularRange28AR29"]]| AR| QAR| CAR| ✓|  ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)| |(% style="text-align:center" %)(((
++1800
--====== __Default & confirm__ ======
++180.0 degrees
++)))
++| 8|[[Position in **P**ulse>>||anchor="H8.PositioninPulse28P29"]]| P| QP| | | ✓|microseconds|(((
++See details below
++)))|(% style="text-align:center" %)
++| 9|[[Position in **D**egrees>>||anchor="H9.PositioninDegrees28D29"]]| D| QD| | | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)| |(% style="text-align:center" %)
++| 10|[[**W**heel mode in **D**egrees>>||anchor="H10.WheelModeinDegrees28WD29"]]| WD| QWD| | | ✓|tenths of degrees per second (ex 248 = 24.8 degrees per second)|A.K.A. "Speed mode" or "Continuous rotation"|(% style="text-align:center" %)
++| 11|[[**W**heel mode in **R**PM>>||anchor="H11.WheelModeinRPM28WR29"]]| WR| QWR| | | ✓| rpm|A.K.A. "Speed mode" or "Continuous rotation"|(% style="text-align:center" %)
++| 12|[[Max **S**peed in **D**egrees>>||anchor="H12.SpeedinDegrees28SD29"]]| SD| QSD| CSD| ✓| ✓|tenths of degrees per second (ex 248 = 24.8 degrees per second)|QSD: Add modifier "2" for instantaneous speed|(% style="text-align:center" %)
++| 13|[[Max **S**peed in **R**PM>>||anchor="H13.SpeedinRPM28SR29"]]| SR| QSR| CSR| ✓| ✓|rpm|QSR: Add modifier "2" for instantaneous speed|(% style="text-align:center" %)
++| 14|[[**A**ngular **S**tiffness>>||anchor="H14.AngularStiffness28AS29"]]| AS| QAS| CAS| ✓| ✓|none|-4 to +4, but suggested values are between 0 to +4|(% style="text-align:center" %)0
++| 15|[[**A**ngular **H**olding Stiffness>>||anchor="H15.AngularHoldStiffness28AH29"]]|AH|QAH|CAH| | ✓|none|-10 to +10, with default as 0. |(% style="text-align:center" %)
++|15b|[[**A**ngular **A**cceleration>>||anchor="H15b:AngularAcceleration28AA29"]]|AA|QAA|CAA| | ✓|degrees per second squared|Increments of 10 degrees per second squared|(% style="text-align:center" %)
++|15c|[[**A**ngular **D**eceleration>>||anchor="H15c:AngularDeceleration28AD29"]]|AD|QAD|CAD| | ✓|degrees per second squared|Increments of 10 degrees per second squared|(% style="text-align:center" %)
++|15d|[[**E**nable **M**otion control>>||anchor="H15d:MotionControl28MC29"]]|EM|QEM| | | ✓|none|EM0 to disable motion control, EM1 to enable. Session specific / does not survive power cycles|(% style="text-align:center" %)
++| 16|[[**LED** Color>>||anchor="H16.RGBLED28LED29"]]| LED| QLED| CLED| ✓| ✓|none (integer from 0 to 8)|0=Off (black); 1=Red 2=Green; 3=Blue; 4=Yellow; 5=Cyan; 6=Magenta; 7=White;|(% style="text-align:center" %)7
++| 16b|[[**C**onfigure **L**ED **B**linking>>||anchor="H16b.ConfigureLEDBlinking28CLB29"]]| | | CLB| ✓| |none (integer from 0 to 63)|0=No blinking, ; 63=Always blink; Blink while: 1=Limp; 2=Holding 4=Accel; 8=Decel; 16=Free 32=Travel;|(% style="text-align:center" %)
++| 17|[[**ID** #>>||anchor="H17.IdentificationNumber"]]| | QID| CID| | ✓|none (integer from 0 to 250)|Note: ID 254 is a "broadcast" which all servos respond to|(% style="text-align:center" %)0
++| 18|[[**B**aud rate>>||anchor="H18.BaudRate"]]| B| QB| CB| | ✓|none (integer)| |(% style="text-align:center" %)9600
++| 19|[[**G**yre direction (**G**)>>||anchor="H19.GyreRotationDirection"]]| G| QG| CG| ✓| ✓|none | Gyre / rotation direction where 1= CW (clockwise) -1 = CCW (counter-clockwise)|(% style="text-align:center" %)1 Clowckwise
++| 20|[[**F**irst Position (**P**ulse)>>||anchor="H20.First2InitialPosition28pulse29"]]| | QFP|CFP | ✓| ✓|none | |(% style="text-align:center" %)(((
++Limp
++)))
++| 21|[[**F**irst Position (**D**egrees)>>||anchor="H21.First2InitialPosition28Degrees29"]]| | QFD|CFD| ✓| ✓|none | |(% style="text-align:center" %)Limp
++| 22|[[**T**arget (**D**egree) **P**osition>>||anchor="H22.QueryTargetPositioninDegrees28QDT29"]]| | QDT| | | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)| |(% style="text-align:center" %)
++| 23|[[**M**odel **S**tring>>||anchor="H23.QueryModelString28QMS29"]]| | QMS| | | |none (string)| Recommended to determine the model|(% style="text-align:center" %) |
++| 23b|[[**M**odel>>||anchor="H23b.QueryModel28QM29"]]| | QM| | | |none (integer)| Returns a raw value representing the three model inputs (36 bit)|(% style="text-align:center" %) |
++| 24|[[Serial **N**umber>>||anchor="H24.QuerySerialNumber28QN29"]]| | QN| | | |none (integer)| |(% style="text-align:center" %)
++| 25|[[**F**irmware version>>||anchor="H25.QueryFirmware28QF29"]]| | QF| | | |none (integer)| |(% style="text-align:center" %)
++| 26|[[**Q**uery (general status)>>||anchor="H26.QueryStatus28Q29"]]| | Q| | | ✓|none (integer from 1 to 8)| See command description for details|(% style="text-align:center" %)
++| 27|[[**V**oltage>>||anchor="H27.QueryVoltage28QV29"]]| | QV| | | ✓|millivolts (ex 5936 = 5936mV = 5.936V)| |(% style="text-align:center" %)
++| 28|[[**T**emperature>>||anchor="H28.QueryTemperature28QT29"]]| | QT| | | ✓|tenths of degrees Celsius|Max temp before error: 85°C (servo goes limp)|(% style="text-align:center" %)
++| 29|[[**C**urrent>>||anchor="H29.QueryCurrent28QC29"]]| | QC| | | ✓|milliamps (ex 200 = 0.2A)| |(% style="text-align:center" %)
++| 30|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]]| | |CRC| |✓|none|(((
++CRC: Add modifier "1" for RC-position mode.
++CRC: Add modifier "2" for RC-wheel mode.
++Any other value for the modifier results in staying in smart mode.
++Puts the servo into RC mode. To revert to smart mode, use the button menu.
++)))|(% style="text-align:center" %)Serial
++|31|[[**RESET**>>||anchor="H31.RESET"]]| | | | | ✓|none|Soft reset. See command for details.|(% style="text-align:center" %)
++|32|[[**DEFAULT**>>||anchor="H32.DEFAULTA026CONFIRM"]]| | | | |✓|none|Revert to firmware default values. See command for details|(% style="text-align:center" %)
++|33|[[**UPDATE**>>||anchor="H33.UPDATEA026CONFIRM"]]| | | | |✓|none|Update firmware. See command for details.|(% style="text-align:center" %)
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5DEFAULT&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++== Details ==
--This command sets in motion the reset of all values to the default values included with the version of the firmware installed on that servo. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the DEFAULT function.<div class="wikimodel-emptyline"></div>
++====== __1. Limp (**L**)__ ======
--EX: #5DEFAULT&lt;cr&gt; followed by #5CONFIRM&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Example: #5L<cr>
--Since it it not common to have to restore all configurations, a confirmation command is needed after a firmware command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will exit the command.<div class="wikimodel-emptyline"></div>
++This action causes the servo to go "limp". The microcontroller will still be powered, but the motor will not. As an emergency safety feature, should the robot not be doing what it is supposed to or risks damage, use the broadcast ID to set all servos limp #254L<cr>.
--**Note:** After the CONFIRM command is sent, the servo will automatically perform a RESET.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __2. Halt & Hold (**H**)__ ======
--{{id name="UPDATE_CONFIRM"/}}
++Example: #5H<cr>
--====== __Update & confirm__ ======
++This action overrides whatever the servo might be doing at the time the command is received (accelerating, moving continuously etc.) and causes it to stop immediately and hold that position.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5UPDATE&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __3. Timed move (**T**)__ ======
--This command sets in motion the equivalent of a long button press when the servo is not powered in order to enter firmware update mode. This is useful should the button be broken or inaccessible. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the UPDATE function.<div class="wikimodel-emptyline"></div>
++Example: #5P1500T2500<cr>
--EX: #5UPDATE&lt;cr&gt; followed by #5CONFIRM&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Timed move can be used only as a modifier for a position (P) action. The units are in milliseconds, so a timed move of 2500 milliseconds would cause the servo to rotate from its current position to the desired position in 2.5 seconds. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.
--Since it it not common to have to update firmware, a confirmation command is needed after an UPDATE command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.<div class="wikimodel-emptyline"></div>
++Note: If the calculated speed at which a servo must rotate for a timed move is greater than its maximum speed (which depends on voltage and load), then it will move at its maximum speed, and the time of the move may be longer than requested.
--**Note:** After the CONFIRM command is sent, the servo will automatically perform a RESET.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __4. Speed (**S**)__ ======
--{{id name="CONFIRM"/}}
++Example: #5P1500S750<cr>
--====== __Confirm__ ======
++This command is a modifier only for a position (P) action and determines the speed of the move in microseconds per second. A speed of 750 microseconds would cause the servo to rotate from its current position to the desired position at a speed of 750 microseconds per second. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5CONFIRM&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __5. (Relative) Move in Degrees (**MD**)__ ======
--This command is used to confirm changes after a Default or Update command.<div class="wikimodel-emptyline"></div>
++Example: #5MD123<cr>
--**Note:** After the CONFIRM command is sent, the servo will automatically perform a RESET.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++The relative move command causes the servo to read its current position and move the specified number of tenths of degrees in the corresponding position. For example if the servo is set to rotate CW (default) and an MD command of 123 is sent to the servo, it will cause the servo to rotate clockwise by 12.3 degrees. Negative commands would cause the servo to rotate in the opposite configured direction.
--{{id name="CHANGE_RC"/}}
++====== __6. Origin Offset Action (**O**)__ ======
--====== __Configure RC Mode (**CRC**)__ ======
++Example: #5O2400<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--This command puts the servo into RC mode (position or continuous), where it will only respond to RC PWM signal on the servo's Rx pin. In this mode, the servo will no longer accept serial commands. The servo can be placed back into smart mode by using the button menu.<div class="wikimodel-emptyline"></div>
++This command allows you to temporarily change the origin of the servo in relation to the factory zero position. The setting will be lost upon servo reset / power cycle. Origin offset commands are not cumulative and always relate to factory zero. Note that for a given session, the O command overrides the CO command. In the first image, the origin at factory offset '0' (centered).
--|**Command sent**|**Note**
--|ex: #5CRC1&lt;cr&gt;|Change to RC position mode.
--|ex: #5CRC2&lt;cr&gt;|Change to RC continuous rotation (wheel) mode.
--|ex: #5CRC*&lt;cr&gt;|Where * is any value other than 1 or 2 (or no value): stay in smart mode.<div class="wikimodel-emptyline"></div>
++[[image:LSS-servo-default.jpg]]
--EX: #5CRC2&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++In the second image, the origina, as well as the angular range (explained below) have been shifted by 240.0 degrees:
--This command would place the servo in RC wheel mode after a RESET or power cycle. Note that after a RESET or power cycle, the servo will be in RC mode and will not reply to serial commands. Using the command #5CRC&lt;cr&gt; or #5CRC3&lt;cr&gt; which requests that the servo remain in serial mode still requires a RESET command.<div class="wikimodel-emptyline"></div>
++[[image:LSS-servo-origin.jpg]]
--**Important note: **To revert from RC mode back to serial mode, the [[LSS - Button Menu>>doc:lynxmotion-smart-servo.lss-button-menu.WebHome]] is required. Should the button be inaccessible (or broken) when the servo is in RC mode and the user needs to change to serial mode, a 5V constant HIGH needs to be sent to the servo's Rx pin (RC PWM pin), **ensuring a common GND** and wait for 30 seconds. Normal RC PWM pulses should not exceed 2500 milliseconds. After 30 seconds, the servo will interpret this as a desired mode change and change to serial mode. This has been implemented as a fail safe.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++Origin Offset Query (**QO**)
--{{id name="ID"/}}
++Example: #5QO<cr> Returns: *5QO-13
--====== __Identification Number (**ID**)__ ======
++This allows you to query the angle (in tenths of degrees) of the origin in relation to the factory zero position.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--A servo's identification number cannot be set "on the fly" and must be configured via the CID command described below. The factory default ID number for all servos is 0. Since smart servos are intended to be daisy chained, in order to respond differently from one another, the user must set different identification numbers. Servos with the same ID and baud rate will all receive and react to the same commands.<div class="wikimodel-emptyline"></div>
++Configure Origin Offset (**CO**)
--Query Identification (**QID**)<div class="wikimodel-emptyline"></div>
++Example: #5CO-24<cr>
--EX: #254QID&lt;cr&gt; might return *QID5&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This command allows you to change the origin of the servo in relation to the factory zero position in EEPROM. The setting will be saved upon servo reset / power cycle. Origin offset configuration commands are not cumulative and always relate to factory zero. The new origin is also used in RC mode.
--When using the broadcast query ID command, it is best to only have one servo connected and thus receive only one reply. This is useful when you are not sure of the servo's ID, but don't want to change it. Using the broadcast command (ID 254) with only one servo will have that servo reply with its ID number. Alternatively, pushing the button upon startup and temporarily setting the servo ID to 255 will still result in the servo responding with its "real" ID.<div class="wikimodel-emptyline"></div>
++====== __7. Angular Range (**AR**)__ ======
--Configure ID (**CID**)<div class="wikimodel-emptyline"></div>
++Example: #5AR1800<cr>
--Ex: #4CID5&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This command allows you to temporarily change the total angular range of the servo in tenths of degrees. This applies to the Position in Pulse (P) command and RC mode. The default for (P) and RC mode is 1800 (180.0 degrees total, or ±90.0 degrees). In the first image,
--Setting a servo's ID in EEPROM is done via the CID command. All servos connected to the same serial bus that have  will be assigned that ID. In most situations each servo must be set a unique ID, which means each servo must be connected individually to the serial bus and receive a unique CID number. It is best to do this before the servos are added to an assembly. Numbered stickers are provided to distinguish each servo after their ID is set, though you are free to use whatever alternative method you like. The servo must be RESET or power cycled in order for the new ID to take effect.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++[[image:LSS-servo-default.jpg]]
--{{id name="BAUDRATE"/}}
++Here, the angular range has been restricted to 180.0 degrees, or -90.0 to +90.0. The center has remained unchanged.
--====== __Baud Rate__ ======
++[[image:LSS-servo-ar.jpg]]
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--A servo's baud rate cannot be set "on the fly" and must be configured via the CB command described below. The factory default baud rate for all servos is 115200. Since smart servos are intended to be daisy chained, in order to respond to the same serial command, all servos in a project should be set to the same baud rate. Setting different baud rates will have the servos respond differently and may create issues. Available baud rates are: 9600 bps, 19200 bps, 38400 bps, 57600 bps, 115.2 kbps, 230.4 kbps, 250.0 kbps, 460.8 kbps, 500.0 kbps. Servos are shipped with a baud rate set to 115200.<div class="wikimodel-emptyline"></div>
++The angular range action command (ex. #5AR1800<cr>) and origin offset action command  (ex. #5O-1200<cr>) an be used to move both the center and limit the angular range:
--Query Baud Rate (**QB**)<div class="wikimodel-emptyline"></div>
++[[image:LSS-servo-ar-o-1.jpg]]
--Ex: #5QB&lt;cr&gt; might return *5QB115200&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Query Angular Range (**QAR**)
--Since the command to query the baud rate must be done at the servo's existing baud rate, it can simply be used to confirm the CB configuration command was correctly received before the servo is power cycled and the new baud rate takes effect.<div class="wikimodel-emptyline"></div>
++Example: #5QAR<cr> might return *5AR2756
--Configure Baud Rate (**CB**)<div class="wikimodel-emptyline"></div>
++Configure Angular Range (**CAR**)
--**Important Note:** the servo's current session retains the given baud rate and the new baud rate will only take effect when the servo is power cycled / RESET.<div class="wikimodel-emptyline"></div>
++This command allows you to change the total angular range of the servo in tenths of degrees in EEPROM. The setting will be saved upon servo reset / power cycle.
--Ex: #5CB9600&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __8. Position in Pulse (**P**)__ ======
--Sending this command will change the baud rate associated with servo ID 5 to 9600 bits per second.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++Example: #5P2334<cr>
--{{id name="MOTION"/}}
++The position in PWM pulses was retained in order to be backward compatible with the SSC-32 / 32U protocol. This relates the desired angle with an RC standard PWM pulse and is further explained in the SSC-32 and SSC-32U manuals found on Lynxmotion.com. Without any modifications to configuration considered, and a ±90.0 degrees standard range where 1500 microseconds is centered, a pulse of 2334 would set the servo to 165.1 degrees. Valid values for P are [500, 2500]. Values outside this range are corrected to end points.
--== Motion ==
++Query Position in Pulse (**QP**)
--{{id name="POSITION_D"/}}
++Example: #5QP<cr> might return *5QP2334
--====== __Position in Degrees (**D**)__ ======
++This command queries the current angular position in PWM "units". The user must take into consideration that the response includes any angular range and origin configurations in order to determine the actual angle.
++Valid values for QP are {-500, [500, 2500], -2500}. Values outside the [500, 2500] range are given a negative corresponding end point value to indicate they are out of bounds (note that if the servo is physically located at one of the endpoints, it may return a negative number if it is a fraction of a degree beyond the position).
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5D1456&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __9. Position in Degrees (**D**)__ ======
--This moves the servo to an angle of 145.6 degrees, where the center (0) position is centered. Negative values (ex. -176 representing -17.6 degrees) could also be used. A full circle would be from -1800 to 1800 degrees. A value of 2700 would be the same angle (absolute position) as -900, except the servo would move in a different direction. <div class="wikimodel-emptyline"></div>
++Example: #5PD1456<cr>
--Larger values are permitted and allow for multi-turn functionality using the concept of virtual position (explained above). <div class="wikimodel-emptyline"></div>
++This moves the servo to an angle of 145.6 degrees, where the center (0) position is centered. Negative values (ex. -176 representing -17.6 degrees) are used. A full circle would be from -1800 to 1800 degrees. A value of 2700 would be the same angle as -900, except the servo would move in a different direction.
--Query Position in Degrees (**QD**)<div class="wikimodel-emptyline"></div>
++Larger values are permitted and allow for multi-turn functionality using the concept of virtual position.
--Example: #5QD&lt;cr&gt; might return *5QD132&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Query Position in Degrees (**QD**)
--This means the servo is located at 13.2 degrees.<div class="wikimodel-emptyline"></div>
++Example: #5QD<cr> might return *5QD132<cr>
--(% class="wikigeneratedid" id="H22.QueryTargetPositioninDegrees28QDT29" %)
--Query Target Position in Degrees (**QDT**)<div class="wikimodel-emptyline"></div>
++This means the servo is located at 13.2 degrees.
--Ex: #5QDT&lt;cr&gt; might return *5QDT6783&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __10. Wheel Mode in Degrees (**WD**)__ ======
--The query target position command returns the target virtual position during and after an action which results in a rotation of the servo horn. In the example above, the servo is rotating to a virtual position of 678.3 degrees. Should the servo not have a target position or be in wheel mode, it will respond with the last target position used.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Ex: #5WD900<cr>
--{{id name="MOVE_D"/}}
++This command sets the servo to wheel mode where it will rotate in the desired direction at the selected speed. The example above would have the servo rotate at 90.0 degrees per second clockwise (assuming factory default configurations).
--====== __(Relative) Move in Degrees (**MD**)__ ======
++Query Wheel Mode in Degrees (**QWD**)
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5MD123&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5QWD<cr> might return *5QWD900<cr>
--The relative move command causes the servo to read its current position and move the specified number of tenths of degrees in the corresponding position. For example if the servo is set to rotate CW (default) and an MD command of 123 is sent to the servo, it will cause the servo to rotate clockwise by 12.3 degrees. Negative commands would cause the servo to rotate in the opposite configured direction.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++The servo replies with the angular speed in tenths of degrees per second. A negative sign would indicate the opposite direction (for factory default a negative value would be counter clockwise).
--{{id name="WHEEL_D"/}}
++====== __11. Wheel Mode in RPM (**WR**)__ ======
--====== __Wheel Mode in Degrees (**WD**)__ ======
++Ex: #5WR40<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5WD90&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This command sets the servo to wheel mode where it will rotate in the desired direction at the selected rpm. Wheel mode (a.k.a. "continuous rotation") has the servo operate like a geared DC motor. The servo's maximum rpm cannot be set higher than its physical limit at a given voltage.  The example above would have the servo rotate at 40 rpm clockwise (assuming factory default configurations).
--This command sets the servo to wheel mode where it will rotate in the desired direction at the selected speed. The example above would have the servo rotate at 90.0 degrees per second clockwise (assuming factory default configurations).<div class="wikimodel-emptyline"></div>
++Query Wheel Mode in RPM (**QWR**)
--Query Wheel Mode in Degrees (**QWD**)<div class="wikimodel-emptyline"></div>
++Ex: #5QWR<cr> might return *5QWR40<cr>
--Ex: #5QWD&lt;cr&gt; might return *5QWD90&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--The servo replies with the angular speed in degrees per second. A negative sign would indicate the opposite direction (for factory default a negative value would be counter clockwise).
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
--{{id name="WHEEL_RPM"/}}
--
--====== __Wheel Mode in RPM (**WR**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5WR40&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This command sets the servo to wheel mode where it will rotate in the desired direction at the selected rpm. Wheel mode (a.k.a. "continuous rotation") has the servo operate like a geared DC motor. The servo's maximum rpm cannot be set higher than its physical limit at a given voltage.  The example above would have the servo rotate at 40 rpm clockwise (assuming factory default configurations).<div class="wikimodel-emptyline"></div>
--
--Query Wheel Mode in RPM (**QWR**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QWR&lt;cr&gt; might return *5QWR40&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
  The servo replies with the angular speed in rpm. A negative sign would indicate the opposite direction (for factory default a negative value would be counter clockwise).
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--{{id name="POSITION_PWM"/}}
++====== __12. Speed in Degrees (**SD**)__ ======
--====== __Position in PWM (**P**)__ ======
++Ex: #5SD1800<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5P2334&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This command sets the servo's maximum speed for action commands in tenths of degrees per second for that session. In the example above, the servo's maximum speed for that session would be set to 180.0 degrees per second. Therefore maximum speed for actions can be set "on the fly". The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SD overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD and SR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) is what the servo uses for that session.
--The position in PWM pulses was retained in order to be backward compatible with the SSC-32 / 32U protocol. This relates the desired angle with an RC standard PWM signal and is further explained in the SSC-32 and [[SSC-32U manuals>>https://www.robotshop.com/media/files/pdf2/lynxmotion_ssc-32u_usb_user_guide.pdf#page=24]]. Without any modifications to configuration considered, and a ±90.0 degrees standard range where 1500 microseconds is centered, a PWM signal of 2334 would set the servo to 165.1 degrees. Valid values for P are [500, 2500]. Values outside this range are corrected / restricted to end points.<div class="wikimodel-emptyline"></div>
++Query Speed in Degrees (**QSD**)
--Query Position in Pulse (**QP**)<div class="wikimodel-emptyline"></div>
++Ex: #5QSD<cr> might return *5QSD1800<cr>
--Example: #5QP&lt;cr&gt; might return *5QP2334<div class="wikimodel-emptyline"></div>
++By default QSD will return the current session value, which is set to the value of CSD as reset/power cycle and changed whenever a SD/SR command is processed.
++If #5QSD1<cr> is sent, the configured maximum speed (CSD value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:
--This command queries the current angular position in PWM "units". The user must take into consideration that the response includes any angular range and origin configurations in order to determine the actual angle.
--Valid values for QP are {-500, [500, 2500], -2500}. Values outside the [500, 2500] range are given a negative corresponding end point value to indicate they are out of bounds (note that if the servo is physically located at one of the endpoints, it may return a negative number if it is a fraction of a degree beyond the position).
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++|**Command sent**|**Returned value (1/10 °)**
++|ex: #5QSD<cr>|Session value for maximum speed (set by latest SD/SR command)
++|ex: #5QSD1<cr>|Configured maximum speed  (set by CSD/CSR)
++|ex: #5QSD2<cr>|Instantaneous speed (same as QWD)
++|ex: #5QSD3<cr>|Target travel speed
--{{id name="MOVE_PWM"/}}
++Configure Speed in Degrees (**CSD**)
--====== __(Relative) Move in PWM (**M**)__ ======
++Ex: #5CSD1800<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5M1500&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Using the CSD command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 180.0 degrees per second. When the servo is powered on (or after a reset), the CSD value is used. Note that CSD and CSR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) is what the servo uses for that session.
--The relative move in PWM command causes the servo to read its current position and move by the specified number of PWM signal. For example if the servo is set to rotate CW (default) and an M command of 1500 is sent to the servo, it will cause the servo to rotate clockwise by 90 degrees. Negative PWM value would cause the servo to rotate in the opposite configured direction.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++====== __13. Speed in RPM (**SR**)__ ======
--{{id name="MOVE_RAW"/}}
++Ex: #5SD45<cr>
--====== __Raw Duty-cycle Move (**RDM**)__ ======
++This command sets the servo's maximum speed for action commands in rpm for that session. In the example above, the servo's maximum speed for that session would be set to 45rpm. Therefore maximum speed for actions can be set "on the fly". The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SD overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD (described above) and SR are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) is what the servo uses for that session.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5RDM512&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Query Speed in Degrees (**QSR**)
--The raw duty-cycle move command (or free move command) will rotate the servo at a specified duty cycle value in wheel mode (a.k.a. "continuous rotation") like a geared DC motor.<div class="wikimodel-emptyline"></div>
++Ex: #5QSR<cr> might return *5QSR45<cr>
--The duty values range from 0 to 1023. Negative values will rotate the servo in the opposite direction (for factory default a negative value would be counter clockwise).<div class="wikimodel-emptyline"></div>
++By default QSR will return the current session value, which is set to the value of CSR as reset/power cycle and changed whenever a SD/SR command is processed.
++If #5QSR1<cr> is sent, the configured maximum speed (CSR value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:
--Query Move in Duty-cycle (**QMD**)<div class="wikimodel-emptyline"></div>
++|**Command sent**|**Returned value (1/10 °)**
++|ex: #5QSR<cr>|Session value for maximum speed (set by latest SD/SR command)
++|ex: #5QSR1<cr>|Configured maximum speed  (set by CSD/CSR)
++|ex: #5QSR2<cr>|Instantaneous speed (same as QWR)
++|ex: #5QSR3<cr>|Target travel speed
--Example: #5QMD&lt;cr&gt; might return *5QMD512<div class="wikimodel-emptyline"></div>
++Configure Speed in RPM (**CSR**)
--This command queries the raw duty-cycle move value. 512 value means that the motor is rotating at 50% duty-cycle.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Ex: #5CSR45<cr>
--{{id name="QUERY_STATUS"/}}
++Using the CSR command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 45rpm. When the servo is powered on (or after a reset), the CSR value is used. Note that CSD and CSR are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) is what the servo uses for that session.
--====== __Query Status (**Q**)__ ======
++====== __14. Angular Stiffness (**AS**)__ ======
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The status query describes what the servo is currently doing. The query returns an integer which must be looked up in the table below.<div class="wikimodel-emptyline"></div>
++The servo's rigidity / angular stiffness can be thought of as (though not identical to) a damped spring in which the value affects the stiffness and embodies how much, and how quickly the servo tried keep the requested position against changes.
--Ex: #5Q&lt;cr&gt; might return *5Q6&lt;cr&gt;, which indicates the motor is holding a position.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++A positive value of "angular stiffness":
--|(% style="width:25px" %) |***Value returned (Q)**|**Status**|**Detailed description**
--| |ex: *5Q0<cr>|0: Unknown|LSS is unsure / unknown state
--| |ex: *5Q1<cr>|1: Limp|Motor driving circuit is not powered and horn can be moved freely
--| |ex: *5Q2<cr>|2: Free moving|Servo is rotating in duty motion / free move using the RDM command
--| |ex: *5Q3<cr>|3: Accelerating|Increasing speed from rest (or previous speed) towards travel speed
--| |ex: *5Q4<cr>|4: Traveling|Moving at a stable speed
--| |ex: *5Q5<cr>|5: Decelerating|Decreasing from travel speed towards final position.
--| |ex: *5Q6<cr>|6: Holding|Keeping current position
--| |ex: *5Q7<cr>|7: Outside limits|{More details coming soon}
--| |ex: *5Q8<cr>|8: Stuck|Motor cannot perform request movement at current speed setting
--| |ex: *5Q9<cr>|9: Blocked|Similar to stuck, but the motor is at maximum duty and still cannot move (i.e.: stalled)
--| |ex: *5Q10<cr>|10: Safe Mode|(((
--A safety limit has been exceeded (temperature, peak current or extended high current draw).
++* The more torque will be applied to try to keep the desired position against external input / changes
++* The faster the motor will reach its intended travel speed and the motor will decelerate faster and nearer to its target position
--Send a Q1 command to know which limit has been reached (described below).
--)))
++A negative value on the other hand:
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--If a safety limit has been reached and exceeded, the LED will flash red and the servo will stop providing torque (no longer react to commands which cause the motor to rotate). In order to determine which limit has been reached, send a Q1 command. The servo must be RESET in order to return to normal operation, though if a limit is still detected (for example the servo is still too hot), it will revert back to Safe Mode.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++* Causes a slower acceleration to the travel speed, and a slower deceleration
++* Allows the target position to deviate more from its position before additional torque is applied to bring it back
--|(% style="width:25px" %) |***Value returned (Q1)**|**Status**|**Detailed description**
--| |ex: *5Q0<cr>|No limits have been passed|Nothing is wrong
--| |ex: *5Q1<cr>|Current limit has been passed|Something cause the current to either spike, or remain too high for too long
--| |ex: *5Q2<cr>|Input voltage detected is below or above acceptable range|Check the voltage of your batteries or power source
--| |ex: *5Q3<cr>|Temperature limit has been reached|The servo is too hot to continue operating safely.
++The default value is zero and the effect becomes extreme by -4, +4. There are no units, only integers between -4 to 4. Greater values produce increasingly erratic behavior.
--{{id name="LIMP"/}}
++Ex: #5AS-2<cr>
--====== __Limp (**L**)__ ======
++This reduces the angular stiffness to -2 for that session, allowing the servo to deviate more around the desired position. This can be beneficial in many situations such as impacts (legged robots) where more of a "spring" effect is desired. Upon reset, the servo will use the value stored in memory, based on the last configuration command.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5L&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5QAS<cr>
--This action causes the servo to go "limp". The microcontroller will still be powered, but the motor will not. As an emergency safety feature, should the robot not be doing what it is supposed to or risks damage, use the broadcast ID to set all servos limp #254L&lt;cr&gt;.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Queries the value being used.
--{{id name="HALT_HOLD"/}}
++Ex: #5CAS<cr>
--====== __Halt & Hold (**H**)__ ======
++Writes the desired angular stiffness value to memory.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5H&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __15. Angular Hold Stiffness (**AH**)__ ======
--This command causes the servo to stop immediately and hold that angular position. It overrides whatever the servo might be doing at the time the command is received (accelerating, travelling, deccelerating, etc.)
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++The angular holding stiffness determines the servo's ability to hold a desired position under load. Values can be from -10 to 10, with the default being 0. Note that negative values mean the final position can be easily deflected.
--{{id name="MOTION_SETUP"/}}
++Ex: #5AH3<cr>
--== Motion Setup ==
++This sets the holding stiffness for servo #5 to 3 for that session.
--{{id name="MOTION_PROFILE"/}}
++Query Angular Hold Stiffness (**QAH**)
--====== __Enable Motion Profile (**EM**)__ ======
++Ex: #5QAH<cr> might return *5QAH3<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5EM1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This returns the servo's angular holding stiffness value.
--This command enables a trapezoidal motion profile. By default, the trapezoidal motion profile is enabled. If the motion profile is enabled, angular acceleration (AA) and angular deceleration(AD) will have an effect on the motion. Also, SD/S and T modifiers can be used.<div class="wikimodel-emptyline"></div>
++Configure Angular Hold Stiffness (**CAH**)
--Ex: #5EM0&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5CAH2<cr>
--This command will disable the trapezoidal motion profile. As such, the servo will move at full speed for D/MD action commands. Angular acceleration (AA) and angular deceleration(AD) won't have an effect on motion in this mode and modifiers SD/S or T cannot be used.<div class="wikimodel-emptyline"></div>
++This writes the angular holding stiffness of servo #5 to 2 to EEPROM
--Query Motion Profile (**QEM**)<div class="wikimodel-emptyline"></div>
++====== __15b: Angular Acceleration (**AA**)__ ======
--Ex: #5QEM&lt;cr&gt; might return *5QEM1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++{More details to come}
--This command will query the motion profile. **0:** motion profile disabled / **1:** trapezoidal motion profile enabled.<div class="wikimodel-emptyline"></div>
++====== __15c: Angular Deceleration (**AD**)__ ======
--Configure Motion Profile (**CEM**)<div class="wikimodel-emptyline"></div>
++{More details to come}
--Ex: #5CEM0&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __15d: Motion Control (**EM**)__ ======
--This command configures the motion profile and saves it in the EEPROM. The setting will be saved upon servo reset / power cycle.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++{More details to come}
--{{id name="FILTER_POSITION_COUNT"/}}
++====== __16. RGB LED (**LED**)__ ======
--====== __Filter Position Count (**FPC**)__ ======
++Ex: #5LED3<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5FPC10&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This command allows the user to change the Filter Position Count value for that session. <div class="wikimodel-emptyline"></div>
++This action sets the servo's RGB LED color for that session.The LED can be used for aesthetics, or (based on user code) to provide visual status updates. Using timing can create patterns.
--Query Filter Position Count (**QFPC**)<div class="wikimodel-emptyline"></div>
++0=OFF 1=RED 2=GREEN 3= BLUE 4=YELLOW 5=CYAN 6= 7=MAGENTA, 8=WHITE
--Ex: #5QFPC&lt;cr&gt; might return *5QFPC10&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Query LED Color (**QLED**)
--This command will query the Filter Position Count value.<div class="wikimodel-emptyline"></div>
++Ex: #5QLED<cr> might return *5QLED5<cr>
--Configure Filter Position Count (**CFPC**)<div class="wikimodel-emptyline"></div>
++This simple query returns the indicated servo's LED color.
--Ex: #5CFPC10&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Configure LED Color (**CLED**)
--This command configures the Filter Position Count value and saves it in the EEPROM. The setting will be saved upon servo reset / power cycle.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++Configuring the LED color via the CLED command sets the startup color of the servo after a reset or power cycle. Note that it also changes the session's LED color immediately as well.
--{{id name="ORIGIN_OFFSET"/}}
++====== __16b. Configure LED Blinking (**CLB**)__ ======
--====== __Origin Offset (**O**)__ ======
++This command allows you to control when the RGB LED will blink the user set color (see [[16. RGB LED>>||anchor="H16.RGBLED28LED29"]] for details).
++You can turn on or off blinking for various LSS status. Here is the list and their associated value: 0=No blinking, ; 63=Always blink; Blink while: 1=Limp; 2=Holding 4=Accel; 8=Decel; 16=Free 32=Travel;
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5O2400&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++To set blinking, use CLB with the value of your choosing. To activate blinking in multiple status, simply add together the values of the corresponding status. See examples below:
--This command allows you to change the origin of the servo in relation to the factory zero position for that session. As with all action commands, the setting will be lost upon servo reset / power cycle. Origin offset commands are not cumulative and always relate to factory zero. In the first image, the origin at factory offset '0' (centered).<div class="wikimodel-emptyline"></div>
++Ex: #5CLB0<cr> to turn off all blinking (LED always solid)
++Ex: #5CLB1<cr> only blink when limp
++Ex: #5CLB2<cr> only blink when holding
++Ex: #5CLB12<cr> only blink when accel or decel
++Ex: #5CLB48<cr> only blink when free or travel
++Ex: #5CLB63<cr> blink in all status
--[[image:LSS-servo-default.jpg]]<div class="wikimodel-emptyline"></div>
++====== __17. Identification Number__ ======
--In the second image, the origin, and the corresponding angular range (explained below) have been shifted by +240.0 degrees:<div class="wikimodel-emptyline"></div>
++A servo's identification number cannot be set "on the fly" and must be configured via the CID command described below. The factory default ID number for all servos is 0. Since smart servos are intended to be daisy chained, in order to respond differently from one another, the user must set different identification numbers. Servos with the same ID and baud rate will all receive and react to the same commands.
--[[image:LSS-servo-origin.jpg]]<div class="wikimodel-emptyline"></div>
++Query Identification (**QID**)
--Origin Offset Query (**QO**)<div class="wikimodel-emptyline"></div>
++EX: #254QID<cr> might return *QID5<cr>
--Example: #5QO&lt;cr&gt; might return *5QO-13<div class="wikimodel-emptyline"></div>
++When using the query ID command, it is best to only have one servo connected and thus receive only one reply using the broadcast command (ID 254). Alternatively, pushing the button upon startup and temporarily setting the servo ID to 255 will still result in the servo responding with its "real" ID.
--This allows you to query the angle (in tenths of degrees) of the origin in relation to the factory zero position. In this example, the new origin is at -1.3 degrees from the factory zero.<div class="wikimodel-emptyline"></div>
++Configure ID (**CID**)
--Configure Origin Offset (**CO**)<div class="wikimodel-emptyline"></div>
++Ex: #4CID5<cr>
--Example: #5CO-24&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Setting a servo's ID in EEPROM is done via the CID command. All servos connected to the same serial bus will be assigned that ID. In most situations each servo must be set a unique ID, which means each servo must be connected individually to the serial bus and receive a unique CID number. It is best to do this before the servos are added to an assembly. Numbered stickers are provided to distinguish each servo after their ID is set, though you are free to use whatever alternative method you like.
--This command allows you to change the origin of the servo in relation to the factory zero position in EEPROM. The setting will be saved upon servo reset / power cycle. Origin offset configuration commands are not cumulative and always relate to factory zero. The new origin is also used in RC mode. In the example, the new origin will be at -2.4 degrees from the factory zero.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++====== __18. Baud Rate__ ======
--{{id name="ANGULAR_RANGE"/}}
++A servo's baud rate cannot be set "on the fly" and must be configured via the CB command described below. The factory default baud rate for all servos is 9600. Since smart servos are intended to be daisy chained, in order to respond to the same serial bus, all servos in that project should ideally be set to the same baud rate. Setting different baud rates will have the servos respond differently and may create issues. Available baud rates are: 9.6 kbps, 19.2 kbps, 38.4 kbps, 57.6 kbps, 115.2 kbps, 230.4 kbps, 250.0 kbps, 460.8 kbps, 500.0 kbps, 750.0 kbps*, 921.6 kbps*. Servos are shipped with a baud rate set to 9600. The baud rates are currently restricted to those above.
++\*: Current tests reveal baud rates above 500 kbps are unstable and can cause timeouts. Please keep this in mind if using those / testing them out.
--====== __Angular Range (**AR**)__ ======
++Query Baud Rate (**QB**)
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5AR1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++Ex: #5QB<cr> might return *5QB9600<cr>
--This command allows you to temporarily change the total angular range of the servo in tenths of degrees. This applies to the Position in Pulse (P) command and RC mode. The default for (P) and RC mode is 1800 (180.0 degrees total, or ±90.0 degrees). The image below shows a standard -180.0 to +180.0 range, with no offset:<div class="wikimodel-emptyline"></div>
++Querying the baud rate is used simply to confirm the CB configuration command before the servo is power cycled.
--[[image:LSS-servo-default.jpg]]<div class="wikimodel-emptyline"></div>
++Configure Baud Rate (**CB**)
--Below, the angular range is restricted to 180.0 degrees, or -90.0 to +90.0. The center has remained unchanged.<div class="wikimodel-emptyline"></div>
++Ex: #5CB9600<cr>
--[[image:LSS-servo-ar.jpg]]<div class="wikimodel-emptyline"></div>
++Sending this command will change the baud rate associated with servo ID 5 to 9600 bits per second.
--Finally, the angular range action command (ex. #5AR1800&lt;cr&gt;) and origin offset action command (ex. #5O-1200&lt;cr&gt;) are used to move both the center and limit the angular range:<div class="wikimodel-emptyline"></div>
++====== __19. Gyre Rotation Direction__ ======
--[[image:LSS-servo-ar-o-1.jpg]]<div class="wikimodel-emptyline"></div>
++"Gyre" is defined as a circular course or motion. The effect of changing the gyre direction is as if you were to use a mirror image of a circle. CW = 1; CCW = -1. The factory default is clockwise (CW).
--Query Angular Range (**QAR**)<div class="wikimodel-emptyline"></div>
++{images showing before and after with AR and Origin offset}
--Example: #5QAR&lt;cr&gt; might return *5AR1800, indicating the total angular range is 180.0 degrees.<div class="wikimodel-emptyline"></div>
++Query Gyre Direction (**QG**)
--Configure Angular Range (**CAR**)<div class="wikimodel-emptyline"></div>
++Ex: #5QG<cr> might return *5QG-1<cr>
--This command allows you to change the total angular range of the servo in tenths of degrees in EEPROM. The setting will be saved upon servo reset / power cycle.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++The value returned above means the servo is in a counter-clockwise gyration.
--{{id name="ANGULAR_STIFFNESS"/}}
++Configure Gyre (**CG**)
--====== __Angular Stiffness (**AS**)__ ======
++Ex: #5CG-1<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The servo's rigidity / angular stiffness can be thought of as (though not identical to) a damped spring in which the value affects the stiffness and embodies how much, and how quickly the servo tried keep the requested position against changes. There are no units.<div class="wikimodel-emptyline"></div>
--
--A higher value of "angular stiffness":<div class="wikimodel-emptyline"></div>
--
--* The more torque will be applied to try to keep the desired position against external input / changes
--* The faster the motor will reach its intended travel speed and the motor will decelerate faster and nearer to its target position<div class="wikimodel-emptyline"></div>
--
--A lower value on the other hand:<div class="wikimodel-emptyline"></div>
--
--* Causes a slower acceleration to the travel speed, and a slower deceleration
--* Allows the target position to deviate more from its position before additional torque is applied to bring it back<div class="wikimodel-emptyline"></div>
--
--The default value for stiffness depending on the firmware may be 0 or 1. Greater values produce increasingly erratic behavior and the effect becomes extreme below -4 and above +4. Maximum values are -10 to +10.<div class="wikimodel-emptyline"></div>
--
--Ex: #5AS-2&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This reduces the angular stiffness to -2 for that session, allowing the servo to deviate more around the desired position. This can be beneficial in many situations such as impacts (legged robots) where more of a "spring" effect is desired. Upon reset, the servo will use the value stored in memory, based on the last configuration command.<div class="wikimodel-emptyline"></div>
--
--Ex: #5QAS&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--Queries the value being used.<div class="wikimodel-emptyline"></div>
--
--Ex: #5CAS-2&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--Writes the desired angular stiffness value to EEPROM.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
--{{id name="ANGULAR_HOLDING_STIFFNESS"/}}
--
--====== __Angular Holding Stiffness (**AH**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The angular holding stiffness determines the servo's ability to hold a desired position under load. The default value for stiffness depending on the firmware may be 0 or 1. Greater values produce increasingly erratic behavior and the effect becomes extreme below -4 and above +4. Maximum values are -10 to +10.<div class="wikimodel-emptyline"></div>
--
--Ex: #5AH3&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This sets the holding stiffness for servo #5 to 3 for that session.<div class="wikimodel-emptyline"></div>
--
--Query Angular Holding Stiffness (**QAH**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QAH&lt;cr&gt; might return *5QAH3&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This returns the servo's angular holding stiffness value.<div class="wikimodel-emptyline"></div>
--
--Configure Angular Holding Stiffness (**CAH**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5CAH2&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This writes the angular holding stiffness of servo #5 to 2 to EEPROM.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
--{{id name="ANGULAR_ACCELERATION"/}}
--
--====== __Angular Acceleration (**AA**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The default value for angular acceleration is 100. Accepts values of between 1 and 100. Increments of 10 degrees per second squared.<div class="wikimodel-emptyline"></div>
--
--Ex: #5AA30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This sets the angular acceleration for servo #5 to 30 degrees per second squared (°/s^^2^^).<div class="wikimodel-emptyline"></div>
--
--Query Angular Acceleration (**QAA**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QAA&lt;cr&gt; might return *5QAA30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This returns the servo's angular acceleration in degrees per second squared (°/s^^2^^).<div class="wikimodel-emptyline"></div>
--
--Configure Angular Acceleration (**CAA**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5CAA30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This writes the angular acceleration of servo #5 to 30 degrees per second squared (°/s^^2^^) to EEPROM.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
--{{id name="ANGULAR_DECELERATION"/}}
--
--====== __Angular Deceleration (**AD**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--The default value for angular deceleration is 100. Accepts values of between 1 and 100. Increments of 10 degrees per second squared.<div class="wikimodel-emptyline"></div>
--
--Ex: #5AD30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This sets the angular deceleration for servo #5 to 30 degrees per second squared (°/s^^2^^).<div class="wikimodel-emptyline"></div>
--
--Query Angular Deceleration (**QAD**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QAD&lt;cr&gt; might return *5QAD30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This returns the servo's angular deceleration in degrees per second squared (°/s^^2^^).<div class="wikimodel-emptyline"></div>
--
--Configure Angular Deceleration (**CAD**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5CAD30&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This writes the angular deceleration of servo #5 to 30 degrees per second squared (°/s^^2^^) to EEPROM.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--
--{{id name="GYRE_DIRECTION"/}}
--
--====== __Gyre Direction (**G**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--"Gyre" is defined as a circular course or motion. The effect of changing the gyre direction is as if you were to use a mirror image of a circle. By default: CW = 1; CCW = -1.<div class="wikimodel-emptyline"></div>
--
--Ex: #5G-1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--This command will cause servo #5's positions to be inverted, effectively causing the servo to rotate in the opposite direction given the same command. For example in a 2WD robot, servos are often physically installed back to back, therefore setting one of the servos to a negative gyration, the same wheel command (ex WR30) to both servos will cause the robot to move forward or backward rather than rotate.<div class="wikimodel-emptyline"></div>
--
--Query Gyre Direction (**QG**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5QG&lt;cr&gt; might return *5QG-1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
--The value returned above means the servo is in a counter-clockwise gyration. Sending a #5WR30 command will rotate the servo in a counter-clockwise gyration at 30 RPM.<div class="wikimodel-emptyline"></div>
--
--Configure Gyre (**CG**)<div class="wikimodel-emptyline"></div>
--
--Ex: #5CG-1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--
  This changes the gyre direction as described above and also writes to EEPROM.
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
--{{id name="FIRST_POSITION"/}}
++====== __20. First / Initial Position (pulse)__ ======
--====== __First Position__ ======
++In certain cases, a user might want to have the servo move to a specific angle upon power up. We refer to this as "first position". The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. FP and FD are different in that FP is used for RC mode only, whereas FD is used for smart mode only.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--In certain cases, a user might want to have the servo move to a specific angle upon power up; we refer to this as "first position" (a.k.a. "initial position"). The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. Note that the number should be restricted to -1790 (-179.0 degrees) to +1790 (179.0 degrees) and values beyond this will be changed to 1800. <div class="wikimodel-emptyline"></div>
++Query First Position in Pulses (**QFP**)
--Query First Position in Degrees (**QFD**)<div class="wikimodel-emptyline"></div>
++Ex: #5QFP<cr> might return *5QFP1550<cr>
--Ex: #5QFD&lt;cr&gt; might return *5QFD900&lt;cr&gt; <div class="wikimodel-emptyline"></div>
++The reply above indicates that servo with ID 5 has a first position pulse of 1550 microseconds. If no first position has been set, servo will respond with DIS ("disabled").
--The reply above indicates that servo with ID 5 has a first position of 90.0 degrees. If there is no first position value stored, the reply will be DIS.<div class="wikimodel-emptyline"></div>
++Configure First Position in Pulses (**CFP**)
--Configure First Position in Degrees (**CFD**)<div class="wikimodel-emptyline"></div>
++Ex: #5CP1550<cr>
--Ex: #5CFD900&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This configuration command means the servo, when set to RC mode, will immediately move to an angle equivalent to having received an RC pulse of 1550 microseconds upon power up. Sending a CFP command without a number results in the servo remaining limp upon power up (i.e. disabled).
--This configuration command means the servo, when set to smart mode, will immediately move to 90.0 degrees upon power up. Sending a CFD command without a number (Ex. #5CFD&lt;cr&gt;) results in the servo remaining limp upon power up. In order to remove the first position, send no value, ex: #5CFD&lt;cr&gt;
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++====== __21. First / Initial Position (Degrees)__ ======
--{{id name="MAXIMUM_RAW"/}}
++In certain cases, a user might want to have the servo move to a specific angle upon power up. We refer to this as "first position". The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. FP and FD are different in that FP is used for RC mode only, whereas FD is used for smart mode only.
--====== __Maximum Motor Duty (**MMD**)__ ======
++Query First Position in Degrees (**QFD**)
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--This command allows the user to limit the duty cycle value sent from the servo's MCU to the DC Motor driver. The duty cycle limit value can be within the range of 255 to 1023. The default value is 1023. A typical use-case for this command is active compliance.<div class="wikimodel-emptyline"></div>
++Ex: #5QFD<cr> might return *5QFD64<cr>
--Ex: #5MMD512&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++The reply above indicates that servo with ID 5 has a first position pulse of 1550 microseconds.
--This will set the duty-cycle to 512 for servo with ID 5 for that session.<div class="wikimodel-emptyline"></div>
++Configure First Position in Degrees (**CFD**)
--Query Maximum Motor Duty (**QMMD**)<div class="wikimodel-emptyline"></div>
++Ex: #5CD64<cr>
--Ex: #5QMMDD&lt;cr&gt; might return *5QMMD512&lt;cr&gt; <div class="wikimodel-emptyline"></div>
++This configuration command means the servo, when set to smart mode, will immediately move to 6.4 degrees upon power up. Sending a CFD command without a number results in the servo remaining limp upon power up.
--This configuration command means the servo, when set to smart mode, will immediately move to 90.0 degrees upon power up. Sending a CFD command without a number (Ex. #5CFD&lt;cr&gt;) results in the servo remaining limp upon power up. In order to remove the first position, send no value, ex: #5CFD&lt;cr&gt;
--<div class="wikimodel-emptyline"></div></div></div>
--{{/html}}
++====== __22. Query Target Position in Degrees (**QDT**)__ ======
--{{id name="MAXIMUM_SPEED_D"/}}
++Ex: #5QDT<cr> might return *5QDT6783<cr>
--====== __Maximum Speed in Degrees (**SD**)__ ======
++The query target position command returns the target angle during and after an action which results in a rotation of the servo horn. In the example above, the servo is rotating to a virtual position of 678.3 degrees. Should the servo not have a target position or be in wheel mode, it will respond without a number (Ex: *5QDT<cr>).
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5SD1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This command sets the servo's maximum speed for motion commands in tenths of degrees per second for that session. In the example above, the servo's maximum speed for that session would be set to 180.0 degrees per second. The servo's maximum speed cannot be set higher than its physical limit at a given voltage. The SD action command overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD and SR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) received is what the servo uses for that session.<div class="wikimodel-emptyline"></div>
++====== __23. Query Model String (**QMS**)__ ======
--Query Speed in Degrees (**QSD**)<div class="wikimodel-emptyline"></div>
++Ex: #5QMS<cr> might return *5QMSLSS-HS1cr>
--Ex: #5QSD&lt;cr&gt; might return *5QSD1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++This reply means the servo model  is LSS-HS1, meaning a high speed servo, first revision.
--By default QSD will return the current session value, which is set to the value of CSD as reset/power cycle and changed whenever an SD/SR command is processed. If #5QSD1&lt;cr&gt; is sent, the configured maximum speed (CSD value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:<div class="wikimodel-emptyline"></div>
++====== __23b. Query Model (**QM**)__ ======
--|**Command sent**|**Returned value (1/10 °)**
--|ex: #5QSD&lt;cr&gt;|Session value for maximum speed (set by latest SD/SR command)
--|ex: #5QSD1&lt;cr&gt;|Configured maximum speed in EEPROM (set by CSD/CSR)
--|ex: #5QSD2&lt;cr&gt;|Instantaneous speed (same as QWD)
--|ex: #5QSD3&lt;cr&gt;|Target travel speed<div class="wikimodel-emptyline"></div>
++Ex: #5QM<cr> might return *5QM68702699520cr>
--Configure Speed in Degrees (**CSD**)<div class="wikimodel-emptyline"></div>
++This reply means the servo model is 0xFFF000000 or 100, meaning a high speed servo, first revision.
--Ex: #5CSD1800&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--Using the CSD command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 180.0 degrees per second. When the servo is powered on (or after a reset), the CSD value is used. Note that CSD and CSR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) is what the servo uses for that session.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __24. Query Serial Number (**QN**)__ ======
--{{id name="MAXIMUM_SPEED_RPM"/}}
++Ex: #5QN<cr> might return *5QN~_~_<cr>
--====== __Maximum Speed in RPM (**SR**)__ ======
++The number in the response is the servo's serial number which is set and cannot be changed.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5SR45&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This command sets the servo's maximum speed for motion commands in rpm for that session. In the example above, the servo's maximum speed for that session would be set to 45rpm. The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SR overrides CSR (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSR as described below. Note that SD (described above) and SR are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) received is what the servo uses for that session.<div class="wikimodel-emptyline"></div>
++====== __25. Query Firmware (**QF**)__ ======
--Query Speed in RPM (**QSR**)<div class="wikimodel-emptyline"></div>
++Ex: #5QF<cr> might return *5QF11<cr>
--Ex: #5QSR&lt;cr&gt; might return *5QSR45&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++The integer in the reply represents the firmware version with one decimal, in this example being 1.1
--By default QSR will return the current session value, which is set to the value of CSR as reset/power cycle and changed whenever an SD/SR command is processed. If #5QSR1&lt;cr&gt; is sent, the configured maximum speed (CSR value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:<div class="wikimodel-emptyline"></div>
++====== __26. Query Status (**Q**)__ ======
--|**Command sent**|**Returned value (1/10 °)**
--|ex: #5QSR&lt;cr&gt;|Session value for maximum speed (set by latest SD/SR command)
--|ex: #5QSR1&lt;cr&gt;|Configured maximum speed in EEPROM (set by CSD/CSR)
--|ex: #5QSR2&lt;cr&gt;|Instantaneous speed (same as QWD)
--|ex: #5QSR3&lt;cr&gt;|Target travel speed<div class="wikimodel-emptyline"></div>
++Ex: #5Q<cr> might return *5Q6<cr>, which indicates the motor is holding a position.
--Configure Speed in RPM (**CSR**)<div class="wikimodel-emptyline"></div>
++|*Value returned|**Status**|**Detailed description**
++|ex: *5Q0<cr>|Unknown|LSS is unsure
++|ex: *5Q1<cr>|Limp|Motor driving circuit is not powered and horn can be moved freely
++|ex: *5Q2<cr>|Free moving|Motor driving circuit is not powered and horn can be moved freely
++|ex: *5Q3<cr>|Accelerating|Increasing speed from rest (or previous speeD) towards travel speed
++|ex: *5Q4<cr>|Traveling|Moving at a stable speed
++|ex: *5Q5<cr>|Decelerating|Decreasing from travel speed towards final position.
++|ex: *5Q6<cr>|Holding|Keeping current position
++|ex: *5Q7<cr>|Stepping|Special low speed mode to maintain torque
++|ex: *5Q8<cr>|Outside limits|{More details coming soon}
++|ex: *5Q9<cr>|Stuck|Motor cannot perform request movement at current speed setting
++|ex: *5Q10<cr>|Blocked|Similar to stuck, but the motor is at maximum duty and still cannot move (i.e.: stalled)
--Ex: #5CSR45&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--Using the CSR command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 45rpm. When the servo is powered on (or after a reset), the CSR value is used. Note that CSD and CSR are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) received is what the servo uses for that session.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __27. Query Voltage (**QV**)__ ======
--{{id name="MODIFIERS"/}}
++Ex: #5QV<cr> might return *5QV11200<cr>
--== Modifiers ==
++The number returned has one decimal, so in the case above, servo with ID 5 has an input voltage of 11.2V (perhaps a three cell LiPo battery).
--{{id name="SPEEDS"/}}
++====== __28. Query Temperature (**QT**)__ ======
--====== __Speed (**S**, **SD**) modifier__ ======
++Ex: #5QT<cr> might return *5QT564<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5P1500S750&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--Modifier (S) is only for a position (P) action and determines the speed of the move in microseconds per second. A speed of 750 microseconds would cause the servo to rotate from its current position to the desired position at a speed of 750 microseconds per second. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.<div class="wikimodel-emptyline"></div>
--Example: #5D0SD180&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--Modifier (SD) is only for a position (D) or relative position (MD) action and determines the speed of the move in degrees per second. A speed modifier (SD) of 180 would cause the servo to rotate from its current position to the desired absolute or relative position at a speed of 180 degrees per second.<div class="wikimodel-emptyline"></div>
--Query Speed (**QS**)<div class="wikimodel-emptyline"></div>
--Example: #5QS&lt;cr&gt; might return *5QS300&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This command queries the current speed in microseconds per second.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++The units are in tenths of degrees Celcius, so in the example above, the servo's internal temperature is 56.4 degrees C. To convert from degrees Celcius to degrees Farenheit, multiply by 1.8 and add 32. Therefore 56.4C = 133.52F.
--{{id name="TIMED_MOVE"/}}
++====== __29. Query Current (**QC**)__ ======
--====== __Timed move (**T**) modifier__ ======
++Ex: #5QC<cr> might return *5QC140<cr>
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5P1500T2500&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++The units are in milliamps, so in the example above, the servo is consuming 140mA, or 0.14A.
--Timed move can be used only as a modifier for a position (P, D, MD) actions. The units are in milliseconds, so a timed move of 2500 milliseconds would cause the servo to rotate from its current position to the desired position in 2.5 seconds. The onboard controller will attempt to ensure that the move is performed entirely at the desired velocity, though differences in torque may cause it to not be exact. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.<div class="wikimodel-emptyline"></div>
--**Note:** If the calculated speed at which a servo must rotate for a timed move is greater than its maximum speed (which depends on voltage and load), then it will move at its maximum speed, and the time of the move may be longer than requested.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __30. RC Mode (**CRC**)__ ======
--{{id name="CURRENT_HOLD"/}}
++This command puts the servo into RC mode (position or continuous), where it will only respond to RC pulses. Note that because this is the case, the servo will no longer accept serial commands. The servo can be placed back into smart mode by using the button menu.
--====== __Current Halt & Hold (**CH**) modifier__ ======
++|**Command sent**|**Note**
++|ex: #5CRC<cr>|Stay in smart mode.
++|ex: #5CRC1<cr>|Change to RC position mode.
++|ex: #5CRC2<cr>|Change to RC continuous (wheel) mode.
++|ex: #5CRC*<cr>|Where * is any number or value. Stay in smart mode.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5D1423CH400&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++EX: #5CRC<cr>
--This has servo with ID 5 move to 142.3 degrees but, should it detect a current of 400mA or higher before it reaches the desired position, will immediately halt and hold position.<div class="wikimodel-emptyline"></div>
--This modifier can be added to the following actions: D; MD; WD; WR.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __31. RESET__ ======
--{{id name="CURRENT_LIMP"/}}
++Ex: #5RESET<cr> or #5RS<cr>
--====== __Current Limp (**CL**) modifier__ ======
++This command does a "soft reset" (no power cycle required) and reverts all commands to those stored in EEPROM (i.e. configuration commands).
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Example: #5D1423CL400&lt;cr&gt;<div class="wikimodel-emptyline"></div>
++====== __32. DEFAULT & CONFIRM__ ======
--This has servo with ID 5 move to 142.3 degrees but, should it detect a current of 400mA or higher before it reaches the desired position, will immediately go limp.<div class="wikimodel-emptyline"></div>
--This modifier can be added to the following actions: D; MD; WD; WR.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++Ex: #5DEFAULT<cr>
--{{id name="TELEMETRY"/}}
++This command sets in motion the reset all values to the default values included with the version of the firmware installed on that servo. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the DEFAULT function.
--== Telemetry ==
++EX: #5DEFAULT<cr> followed by #5CONFIRM<cr>
--{{id name="QUERY_VOLTAGE"/}}
++Since it it not common to have to restore all configurations, a confirmation command is needed after a firmware command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.
--====== __Query Voltage (**QV**)__ ======
++Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QV&lt;cr&gt; might return *5QV11200&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--The number returned is in milliVolts, so in the case above, servo with ID 5 has an input voltage of 11.2V.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++====== __33. UPDATE & CONFIRM__ ======
--{{id name="QUERY_TEMP"/}}
++Ex: #5UPDATE<cr>
--====== __Query Temperature (**QT**)__ ======
++This command sets in motion the equivalent of a long button press when the servo is not powered in order to enter firmware update mode. This is useful should the button be broken or inaccessible. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the UPDATE function.
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QT&lt;cr&gt; might return *5QT564&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--The units are in tenths of degrees Celcius, so in the example above, the servo's internal temperature is 56.4 degrees C. To convert from degrees Celcius to degrees Farenheit, multiply by 1.8 and add 32. Therefore 56.4C = 133.52F.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
++EX: #5UPDATE<cr> followed by #5CONFIRM<cr>
--{{id name="QUERY_CURRENT"/}}
++Since it it not common to have to update firmware, a confirmation command is needed after an UPDATE command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.
--====== __Query Current (**QC**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QC&lt;cr&gt; might return *5QC140&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--The units are in milliamps, so in the example above, the servo is consuming 140mA, or 0.14A.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--{{id name="QUERY_MODEL"/}}
--
--====== __Query Model String (**QMS**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QMS&lt;cr&gt; might return *5QMSLSS-HS1&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This reply means that the servo model is LSS-HS1: a high speed servo, first revision.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--{{id name="QUERY_FIRMWARE"/}}
--
--====== __Query Firmware (**QF**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QF&lt;cr&gt; might return *5QF368&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--The number in the reply represents the firmware version, in this example being 368.<div class="wikimodel-emptyline"></div>
--The command #5QF3&lt;cr&gt; can also be sent and the servo will reply with a 3 numbers firmware version, for example, 368.29.14<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--{{id name="QUERY_SERIAL"/}}
--
--====== __Query Serial Number (**QN**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5QN&lt;cr&gt; might return *5QN12345678&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--The number in the response (12345678) would be the servo's serial number which is set and should not be changed by the user.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--{{id name="RGB_LED"/}}
--
--== RGB LED ==
--
--{{id name="LED_COLOR"/}}
--
--====== __LED Color (**LED**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--Ex: #5LED3&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This action sets the servo's RGB LED color for that session.The LED can be used for aesthetics, or (based on user code) to provide visual status updates. Using timing can create patterns.<div class="wikimodel-emptyline"></div>
--0=Off (black); 1=Red 2=Green; 3=Blue; 4=Yellow; 5=Cyan; 6=Magenta; 7=White;<div class="wikimodel-emptyline"></div>
--Query LED Color (**QLED**)<div class="wikimodel-emptyline"></div>
--Ex: #5QLED&lt;cr&gt; might return *5QLED5&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--This simple query returns the indicated servo's LED color.<div class="wikimodel-emptyline"></div>
--Configure LED Color (**CLED**)<div class="wikimodel-emptyline"></div>
--Ex: #5CLED3&lt;cr&gt;<div class="wikimodel-emptyline"></div>
--Configuring the LED color via the CLED command sets the startup color of the servo after a reset or power cycle. Note that it also changes the session's LED color immediately as well. The command above will configure the servo's LED to a Blue color.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--{{id name="LED_BLINK"/}}
--
--====== __Configure LED Blinking (**CLB**)__ ======
--
--{{html wiki="true" clean="false"}}
--<div class="cmdcnt"><div class="cmdpad"></div><div class="cmdtxt">
--This command allows you to control when the RGB LED will blink the user set color (see RGB LED command for details). This is very useful when visually seeing what the servo is doing. You can turn on or off blinking for various LSS status. The command requires that the servo be RESET. Here is the list and their associated value:<div class="wikimodel-emptyline"></div>
--
--(% style="width:195px" %)
--|(% style="width:134px" %)**Blink While:**|(% style="width:58px" %)**#**
--|(% style="width:134px" %)No blinking|(% style="width:58px" %)0
--|(% style="width:134px" %)Limp|(% style="width:58px" %)1
--|(% style="width:134px" %)Holding|(% style="width:58px" %)2
--|(% style="width:134px" %)Accelerating|(% style="width:58px" %)4
--|(% style="width:134px" %)Decelerating|(% style="width:58px" %)8
--|(% style="width:134px" %)Free|(% style="width:58px" %)16
--|(% style="width:134px" %)Travelling|(% style="width:58px" %)32
--|(% style="width:134px" %)Always blink|(% style="width:58px" %)63<div class="wikimodel-emptyline"></div>
--
--To set blinking, use CLB with the value of your choosing. To activate blinking in multiple status, simply add together the values of the corresponding status. See examples below:<div class="wikimodel-emptyline"></div>
--Ex: #5CLB0<cr> to turn off all blinking (LED always solid)<div class="wikimodel-emptyline"></div>
--Ex: #5CLB1<cr> only blink when limp (1)<div class="wikimodel-emptyline"></div>
--Ex: #5CLB2<cr> only blink when holding (2)<div class="wikimodel-emptyline"></div>
--Ex: #5CLB12<cr> only blink when accel or decel (accel 4 + decel 8 = 12)<div class="wikimodel-emptyline"></div>
--Ex: #5CLB48<cr> only blink when free or travel (free 16 + travel 32 = 48)<div class="wikimodel-emptyline"></div>
--Ex: #5CLB63<cr> blink in all status (1 + 2 + 4 + 8 + 16 + 32)<div class="wikimodel-emptyline"></div>
--RESETTING the servo is needed.<div class="wikimodel-emptyline"></div>
--</div></div>
--{{/html}}
--
--== RGB LED Patterns ==
--
--The LED patterns below do not include those which are part of the button menu, which can be found here: [[LSS Button Menu>>doc:lynxmotion-smart-servo.lss-button-menu.WebHome]]
--
--[[image:LSS - LED Patterns.png]]
++Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.

LSS - LED Patterns.png

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