Changes for page LSS Specifications

Last modified by Eric Nantel on 2024/07/12 11:24
From version < 45.1 >
edited by Brahim Daouas
on 2019/03/04 16:36
To version < 26.7 >
edited by Brahim Daouas
on 2019/03/01 16:05
< >
Change comment: There is no comment for this version

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1 -|(% style="width:102px" %) |(% style="width:282px" %)**Specification**|**HS1**|**ST1**|**HT1**|**Notes**
2 -|(% style="background-color:lightgrey; width:102px" %)**Voltage**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
3 -|(% style="width:102px" %) |(% style="width:282px" %)Absolute minimum operating voltage|6V|6V|6V|Lower voltages mean lower max. torque and rpm.
4 -|(% style="width:102px" %) |(% style="width:282px" %)Minimum operating voltage|6.5V|6.5V|6.5V|
5 -|(% style="width:102px" %) |(% style="width:282px" %)Recommended operating voltage|12V|12V|12V|A 3S (11.1V nominal) LiPo is ideal.
6 -|(% style="width:102px" %) |(% style="width:282px" %)Maximum operating voltage|12.6V|12.6V|12.6V|
7 -|(% style="width:102px" %) |(% style="width:282px" %)Absolute maximum operating voltage|15.2V|15.2V|15.2V|Allows for fully charged 12V NiMh, 12V lead acid and 11.1V LiPo batteries.
8 -|(% style="background-color:lightgrey; width:102px" %)**Torque**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
9 -|(% style="width:102px" %) |(% style="width:282px" %)Max. static holding torque 12V (stall)|8 Kg-cm|14 Kg-cm|29 Kg-cm|Servo can support this torque, but cannot move. See dynamic torque below.
10 -|(% style="width:102px" %) |(% style="width:282px" %)Max. dynamique torque 12V (~~25%)|1.6 Kg-cm|2.8 Kg-cm|5.8 Kg-cm|Servo should not need to move more than 25% of static / holding torque.
11 -|(% style="width:102px" %) |(% style="width:282px" %)Maximum efficiency|18%|23%|20%|Obtained at recommended operating voltage.
12 -|(% style="width:102px" %) |(% style="width:282px" %)Maximum mechanical power output|1W|1W|2.4W|Obtained at recommended operating voltage.
13 -|(% style="background-color:lightgrey; width:102px" %)**RPM**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
14 -|(% style="width:102px" %) |(% style="width:282px" %)Kv Value|8.35 RPM / V|5 RPM / V|5 RPM / V|Approximate servo's no load RPM between 6V and 12V
15 -|(% style="width:102px" %) |(% style="width:282px" %)No load RPM at 6V (Serial or RC)|50 RPM|30 RPM|30 RPM|Refer to performance graph to estimate maximum RPM based on torque.
16 -|(% style="width:102px" %) |(% style="width:282px" %)No load RPM at 12V (Serial or RC)|100 RPM|60 RPM|60 RPM|Refer to performance graph to estimate maximum RPM based on torque.
17 -|(% style="width:102px" %) |(% style="width:282px" %)RPM at 12V under 20% dynamic load|75 RPM|50 RPM|50 RPM|
18 -|(% style="background-color:lightgrey; width:102px" %)**Accuracy**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
19 -|(% style="width:102px" %) |(% style="width:282px" %)No load accuracy at 6V|±0.4°|±0.40°|±0.15°|Accuracy depends on the angular holding stiffness value (CAH)
20 -|(% style="width:102px" %) |(% style="width:282px" %)No load accuracy at 12V|±0.25°|±0.25°|±0.15°|Accuracy depends on the angular holding stiffness value (CAH)
21 -|(% style="width:102px" %) |(% style="width:282px" %)25% dynamic load at 12V|±1.75°|±0.50°|±1.50°|Accuracy depends on the angular holding stiffness value (CAH)
22 -|(% style="width:102px" %) |(% style="width:282px" %)Angular deflection at 6V (Max. holding torque)|7.00°|2.00°|2.50°|Accuracy depends on the angular holding stiffness value (CAH)
23 -|(% style="width:102px" %) |(% style="width:282px" %)Angular deflection at 12V (Max. holding torque)|2.00°|1.50°|2.00°|Accuracy depends on the angular holding stiffness value (CAH)
24 -|(% style="background-color:lightgrey; width:102px" %)**Current**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
25 -|(% style="width:102px" %) |(% style="width:282px" %)Standby current at 6V|60mA|60mA|60mA|
26 -|(% style="width:102px" %) |(% style="width:282px" %)Standby current at 12V|70mA|70mA|70mA|
27 -|(% style="width:102px" %) |(% style="width:282px" %)Free-running current at 6V|140mA|140mA|90mA|
28 -|(% style="width:102px" %) |(% style="width:282px" %)Free-running current at 12V|180mA|180mA|320mA|
29 -|(% style="width:102px" %) |(% style="width:282px" %)Peak current at 12V (25% dynamic load)|650mA|650mA|1200mA|Angular holding stiffness (CAH) value of 4
30 -|(% style="width:102px" %) |(% style="width:282px" %)Current at 6V under max. holding torque|350mA|350mA|550mA|Angular holding stiffness (CAH) value of 4
31 -|(% style="width:102px" %) |(% style="width:282px" %)Current at 12V under max. holding torque|300mA|300mA|800mA|Angular holding stiffness (CAH) value of 4
32 -|(% style="background-color:lightgrey; width:102px" %)**Temperature**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
33 -|(% style="width:102px" %) |(% style="width:282px" %)Operating temperature range|45°C~~67°C|45°C~~67°C|45°C~~85°C|45°C : servo idle temperature
34 -67°C : temperature shut-down for HS1 - ST1
35 -85°C : temperature shut-down for HT1
36 -|(% style="width:102px" %) |(% style="width:282px" %)Environmental temperature range|0~~65°C|0~~65°C|0~~65°C|These servos are meant for indoor use and are not dust or water resistant.
37 -|(% style="background-color:lightgrey; width:102px" %)**Resolution**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
38 -|(% style="width:102px" %) |(% style="width:282px" %)Position|1/10°|1/10°|1/10°|
39 -|(% style="width:102px" %) |(% style="width:282px" %)RPM|1 RPM|1 RPM|1 RPM|
40 -|(% style="width:102px" %) |(% style="width:282px" %)Voltage|1/10 V|1/10 V|1/10 V|
41 -|(% style="width:102px" %) |(% style="width:282px" %)Current|1/10 A|1/10 A|1/10 A|
42 -|(% style="width:102px" %) |(% style="width:282px" %)Temperature|1/10°C|1/10°C|1/10°C|
43 -|(% style="background-color:lightgrey; width:102px" %)**Communication**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
44 -|(% style="width:102px" %) |(% style="width:282px" %)Communication Type|TTL Full Duplex Async Serial / RC PWM|TTL Full Duplex Async Serial / RC PWM|TTL Full Duplex Async Serial / RC PWM|TTL Full Duplex Async Serial : 8-N-1 (8bit,no parity,1stop)
45 -Standard RC PWM : 500uS~~2500uS
46 -|(% style="width:102px" %) |(% style="width:282px" %)Baudrate range|9600bps~~921600bps|9600bps~~921600bps|9600bps~~921600bps|Max. baudrate depends on # of servos connected on the bus.
47 -|(% style="width:102px" %) |(% style="width:282px" %)Suggested Baudrate|115200bps|115200bps|115200bps|
48 -|(% style="width:102px" %) |(% style="width:282px" %)Serial Protocol|LSS Protocol|LSS Protocol|LSS Protocol|Custom communication protocol.
49 -|(% style="width:102px" %) |(% style="width:282px" %)Connector Type (both sides)|Molex 4-pin, 2.54mm Low Profile|Molex 4-pin, 2.54mm Low Profile|Molex 4-pin, 2.54mm Low Profile|
50 -|(% style="width:102px" %) |(% style="width:282px" %)Servo Pinout|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx|
51 -|(% style="background-color:lightgrey; width:102px" %)**Angle**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
52 -|(% style="width:102px" %) |(% style="width:282px" %)Operating angle (Serial)|Up to 360° & Multi-turn|Up to 360° & Multi-turn|Up to 360° & Multi-turn|Multi-turn uses virtual positioning (see [[LSS Protocol>>https://www.robotshop.com/a/wiki/lynxmotion/view/Lynxmotion%20Smart%20Servo%20%28LSS%29/LSS%20-%20Communication%20Protocol/]] )
53 -|(% style="width:102px" %) |(% style="width:282px" %)Operating angle (RC)|Up to 360°|Up to 360°|Up to 360°|
54 -|(% style="width:102px" %) |(% style="width:282px" %)Continuous rotation / Wheel Mode (Serial & RC)|Yes|Yes|Yes|
55 -|(% style="background-color:lightgrey; width:102px" %)**General**|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
56 -|(% style="width:102px" %) |(% style="width:282px" %)Weight|58.0g|58.0g|80.0g|Does not include horns or mounting hardware
57 -|(% style="width:102px" %) |(% style="width:282px" %)Size / Dimensions|38.3 x 26 x 51 mm|38.3 x 26 x 51 mm|38.3 x 26 x 51 mm|Case only. See [[dimensions>>https://www.robotshop.com/a/wiki/lynxmotion/view/Lynxmotion%20Smart%20Servo%20%28LSS%29/LSS%20-%20Mechanical/#HDimensions]] for details
58 -|(% style="width:102px" %) |(% style="width:282px" %)Gear Ratio|1 : 146|1 : 253|1 : 320|
59 -|(% style="width:102px" %) |(% style="width:282px" %)Case Material|(((
60 -3-part ABS plastic
61 -)))|3-part ABS plastic|(((
1 +| |**Specification**|**LSS HS1**|**LSS ST1**|**LSS HT1**|**Note**
2 +|(% style="background-color:lightgrey" %)**Voltage**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
3 +| |Absolute minimum operating voltage|6V|6V|6V|
4 +| |Minimum operating voltage|6.5V|6.5V|6.5V|
5 +| |Recommended operating voltage|12V|12V|12V|
6 +| |Maximum operating voltage|12.6V|12.6V|12.6V|
7 +| |Absolute maximum operating voltage|15.2V|15.2V|15.2V|15.2V : Upper voltage limit
8 +|(% style="background-color:lightgrey" %)**Torque**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
9 +| |Maximum static holding torque at 12V (stall)|8 Kg-cm|14 Kg-cm|29 Kg-cm|
10 +| |Maximum dynamique torque at 12V (~~25% of holding torque)|1.6 Kg-cm|2.8 Kg-cm|5.8 Kg-cm|
11 +| |Maximum efficiency|18%|23%|20%|
12 +| |Maximum mechanical power output|1 Watts|1 Watts|2.5 Watts|
13 +|(% style="background-color:lightgrey" %)**RPM**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
14 +| |KV Value|8.35|5|5|This value is intended to approximate servo's no load RPM based on intermediate input voltage (6V~~12V)
15 +| |No load RPM at 6V (Serial or RC)|50 RPM|30 RPM|30 RPM|
16 +| |No load RPM at 12V (Serial or RC)|100 RPM|60 RPM|60 RPM|
17 +| |RPM at 12V under 20% dynamic load|75 RPM|50 RPM|50 RPM|
18 +|(% style="background-color:lightgrey" %)**Position Accuracy**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
19 +| |No load accuracy at 6V|±0.4°|±0.40°|±0.15°|Accuracy depends on the angular holding stiffness value (CAH)
20 +| |No load accuracy at 12V|±0.25°|±0.25°|±0.15°|Accuracy depends on the angular holding stiffness value (CAH)
21 +| |25% dynamic load at 12V|±1.75°|±0.50°|±1.50°|Accuracy depends on the angular holding stiffness value (CAH)
22 +| |Angular deflection angle at 6V (Maximum holding torque)|7.00°|2.00°|2.50°|Accuracy depends on the angular holding stiffness value (CAH)
23 +| |Angular deflection angle at 12V (Maximum holding torque)|2.00°|1.50°|2.00°|Accuracy depends on the angular holding stiffness value (CAH)
24 +|(% style="background-color:lightgrey" %)**Current**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
25 +| |Standby current at 6V|60mA|60mA|60mA|
26 +| |Standby current at 12V|70mA|70mA|70mA|
27 +| |Free-running current at 6V|140mA|140mA|90mA|
28 +| |Free-running current at 12V|180mA|180mA|320mA|
29 +| |Peak current at 12V under 25% dynamic load|650mA|650mA|1200mA|At stiffness 4 (strongly depend on the stiffness)
30 +| |Current at 6V under maximum holding torque|350mA|350mA|550mA|At stiffness 4 (strongly depend on the stiffness)
31 +| |Current at 12V under maximum holding torque|300mA|300mA|800mA|At stiffness 4 (strongly depend on the stiffness)
32 +|(% style="background-color:lightgrey" %)**Temperature**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
33 +| |Operating temperature range|45°C~~67°C|45°C~~67°C|45°C~~85°C|**45°C** : servo idle temperature
34 +**67°C **: temperature shut-down for HS1 - ST1
35 +**85°C** : temperature shut-down for HT1
36 +| |Environmental temperature range|0~~65°C|0~~65°C|0~~65°C|These servos are meant for indoor use
37 +|(% style="background-color:lightgrey" %)**Feedback Resolution**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
38 +| |Position|1/10°|1/10°|1/10°|
39 +| |RPM|±1 RPM|±1 RPM|±1 RPM|
40 +| |Voltage|1/10V|1/10V|1/10V|
41 +| |Current|1/10A|1/10A|1/10A|
42 +| |Temperature|1/10°C|1/10°C|1/10°C|
43 +|(% style="background-color:lightgrey" %)**Communication**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
44 +| |Communication Type|TTL Full Duplex Async Serial / RC PWM|TTL Full Duplex Async Serial / RC PWM|TTL Full Duplex Async Serial / RC PWM|**TTL Full Duplex Async Serial** : 8-N-1 (8bit,no parity,1stop)
45 +**RC PWM** : 500uS~~2500uS
46 +| |Baudrate range|9600bps~~921600bps|9600bps~~921600bps|9600bps~~921600bps|Max. baudrate depends on the number of servos connected on the bus, where the higher the number of servos, the lower the maximum baudrate.
47 +| |Suggested Baudrate|115200bps|115200bps|115200bps|
48 +| |Serial Protocol|LSS Protocol|LSS Protocol|LSS Protocol|
49 +| |Connector Type (both sides)|Molex 4-pin, 2.54mm Low Profile|Molex 4-pin, 2.54mm Low Profile|Molex 4-pin, 2.54mm Low Profile|
50 +| |Servo Pinout|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx|
51 +|(% style="background-color:lightgrey" %)**Operating Angle**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
52 +| |Operating angle (Serial)|Up to 360° & Multi-turn|Up to 360° & Multi-turn|Up to 360° & Multi-turn|Multi-turn uses virtual positioning (see [[LSS Protocol>>https://www.robotshop.com/a/wiki/lynxmotion/view/Lynxmotion%20Smart%20Servo%20%28LSS%29/LSS%20-%20Communication%20Protocol/]] for details)
53 +| |Operating angle (RC)|Up to 360°|Up to 360°|Up to 360°|
54 +| |Continuous rotation / Wheel Mode (Serial & RC)|Yes|Yes|Yes|
55 +|(% style="background-color:lightgrey" %)**General**|(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
56 +| |Weight|57.0g|57.0g|63.0g|
57 +| |Size / Dimensions|38.3 x 26 x 51 mm|38.3 x 26 x 51 mm|38.3 x 26 x 51 mm|Case only. See [[dimensions>>https://www.robotshop.com/a/wiki/lynxmotion/view/Lynxmotion%20Smart%20Servo%20%28LSS%29/LSS%20-%20Mechanical/#HDimensions]] for details
58 +| |Gear Ratio|1 : 146|1 : 253|1 : 320|
59 +| |Case Material|(((
60 +ABS plastic
61 +)))|ABS plastic|(((
62 62  ABS plastic top / bottom
63 63  
64 64  Aluminum center
65 65  )))|
66 -|(% style="width:102px" %) |(% style="width:282px" %)Gear Material|Brass|Brass|Stainless steel|
67 -|(% style="width:102px" %) |(% style="width:282px" %)Output spline|24T|24T|24T|
68 -|(% style="width:102px" %) |(% style="width:282px" %)Motor Type|Cored DC Motor|Cored DC Motor|Coreless DC Motor|
69 -|(% style="width:102px" %) |(% style="width:282px" %)Hardware (Mounting)|2-56 x 1/4"|2-56 x 1/4"|2-56 x 1/4"|28x mounting points
70 -|(% style="width:102px" %) |(% style="width:282px" %)Horn Material (Driven & Idler)|Aluminum|Aluminum|Aluminum|
71 -|(% style="background-color:lightgrey; width:102px" %)**Performance **|(% style="background-color:lightgrey; width:282px" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %) |(% style="background-color:lightgrey" %)
72 -|(% style="width:102px" %) |(% style="width:282px" %)Performance Graph|(% rowspan="7" style="width:282px" %){{lightbox image="HS1-Performance-Graph-12V.jpg" width="282" height="180"/}}|(% rowspan="7" style="width:282px" %){{lightbox image="ST1-Performance-Graph-12V.jpg" width="282" height="282"/}}|(% rowspan="7" style="width:282px" %){{lightbox image="HT1-Performance-Graph-12V.jpg" width="282" height="282"/}}|Click image to enlarge
73 -
74 -//Values provided are based on test results. Actual values may vary slightly.//
66 +| |Gear Material|Brass|Brass|Stainless steel|
67 +| |Output spline|24T|24T|24T|
68 +| |Motor Type|Cored DC Motor|Cored DC Motor|Coreless DC Motor|
69 +| |Hardware (Mounting)|2-56 x 1/4"|2-56 x 1/4"|2-56 x 1/4"|
70 +| |Horn Material (Driven & Idler)|Aluminum|Aluminum|Aluminum|
HS1-Performance-Graph-12V.jpg
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HT1-Performance-Graph-12V.jpg
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ST1-Performance-Graph-12V.jpg
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