Wiki source code of LSS - Specifications
Version 26.6 by Brahim Daouas on 2019/03/01 16:04
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| 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|Stiffness 4 (strongly depend on the stiffness) |
| 30 | | |Current at 6V under maximum holding torque|350mA|350mA|550mA|Stiffness 4 (strongly depend on the stiffness) |
| 31 | | |Current at 12V under maximum holding torque|300mA|300mA|800mA|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 | ABS plastic top / bottom |
| 63 | |
| 64 | Aluminum center |
| 65 | )))| |
| 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| |