Wiki source code of LSS - Specifications
Version 49.1 by Brahim Daouas on 2019/03/04 16:42
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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="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" %) |
| 12 | |(% 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 |
| 13 | |(% 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. |
| 14 | |(% 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. |
| 15 | |(% style="width:102px" %) |(% style="width:282px" %)RPM at 12V under 20% dynamic load|75 RPM|50 RPM|50 RPM| |
| 16 | |(% 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" %) |
| 17 | |(% 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) |
| 18 | |(% 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) |
| 19 | |(% 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) |
| 20 | |(% 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) |
| 21 | |(% 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) |
| 22 | |(% 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" %) |
| 23 | |(% style="width:102px" %) |(% style="width:282px" %)Standby current at 6V|60mA|60mA|60mA| |
| 24 | |(% style="width:102px" %) |(% style="width:282px" %)Standby current at 12V|70mA|70mA|70mA| |
| 25 | |(% style="width:102px" %) |(% style="width:282px" %)Free-running current at 6V|140mA|140mA|90mA| |
| 26 | |(% style="width:102px" %) |(% style="width:282px" %)Free-running current at 12V|180mA|180mA|320mA| |
| 27 | |(% style="width:102px" %) |(% style="width:282px" %)Peak current at 12V (25% dynamic load)|650mA|650mA|1200mA|Angular holding stiffness (CAH) value of 4 |
| 28 | |(% style="width:102px" %) |(% style="width:282px" %)Current at 6V under max. holding torque|350mA|350mA|550mA|Angular holding stiffness (CAH) value of 4 |
| 29 | |(% style="width:102px" %) |(% style="width:282px" %)Current at 12V under max. holding torque|300mA|300mA|800mA|Angular holding stiffness (CAH) value of 4 |
| 30 | |(% 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" %) |
| 31 | |(% 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 |
| 32 | 67°C : temperature shut-down for HS1 - ST1 |
| 33 | 85°C : temperature shut-down for HT1 |
| 34 | |(% 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. |
| 35 | |(% 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" %) |
| 36 | |(% style="width:102px" %) |(% style="width:282px" %)Position|1/10°|1/10°|1/10°| |
| 37 | |(% style="width:102px" %) |(% style="width:282px" %)RPM|1 RPM|1 RPM|1 RPM| |
| 38 | |(% style="width:102px" %) |(% style="width:282px" %)Voltage|1/10 V|1/10 V|1/10 V| |
| 39 | |(% style="width:102px" %) |(% style="width:282px" %)Current|1/10 A|1/10 A|1/10 A| |
| 40 | |(% style="width:102px" %) |(% style="width:282px" %)Temperature|1/10°C|1/10°C|1/10°C| |
| 41 | |(% 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" %) |
| 42 | |(% 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) |
| 43 | Standard RC PWM : 500uS~~2500uS |
| 44 | |(% style="width:102px" %) |(% style="width:282px" %)Baudrate range|9600bps~~921600bps|9600bps~~921600bps|9600bps~~921600bps|Max. baudrate depends on # of servos connected on the bus. |
| 45 | |(% style="width:102px" %) |(% style="width:282px" %)Suggested Baudrate|115200bps|115200bps|115200bps| |
| 46 | |(% style="width:102px" %) |(% style="width:282px" %)Serial Protocol|LSS Protocol|LSS Protocol|LSS Protocol|Custom communication protocol. |
| 47 | |(% 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| |
| 48 | |(% style="width:102px" %) |(% style="width:282px" %)Servo Pinout|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx|Rx ~| Vcc ~| GND ~| Tx| |
| 49 | |(% 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" %) |
| 50 | |(% 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/]] ) |
| 51 | |(% style="width:102px" %) |(% style="width:282px" %)Operating angle (RC)|Up to 360°|Up to 360°|Up to 360°| |
| 52 | |(% style="width:102px" %) |(% style="width:282px" %)Continuous rotation / Wheel Mode (Serial & RC)|Yes|Yes|Yes| |
| 53 | |(% 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" %) |
| 54 | |(% style="width:102px" %) |(% style="width:282px" %)Weight|58.0g|58.0g|80.0g|Does not include horns or mounting hardware |
| 55 | |(% 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 |
| 56 | |(% style="width:102px" %) |(% style="width:282px" %)Gear Ratio|1 : 146|1 : 253|1 : 320| |
| 57 | |(% style="width:102px" %) |(% style="width:282px" %)Case Material|((( |
| 58 | 3-part ABS plastic |
| 59 | )))|3-part ABS plastic|((( |
| 60 | ABS plastic top / bottom |
| 61 | |
| 62 | Aluminum center |
| 63 | )))| |
| 64 | |(% style="width:102px" %) |(% style="width:282px" %)Gear Material|Brass|Brass|Stainless steel| |
| 65 | |(% style="width:102px" %) |(% style="width:282px" %)Output spline|24T|24T|24T| |
| 66 | |(% style="width:102px" %) |(% style="width:282px" %)Motor Type|Cored DC Motor|Cored DC Motor|Coreless DC Motor| |
| 67 | |(% 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 |
| 68 | |(% style="width:102px" %) |(% style="width:282px" %)Horn Material (Driven & Idler)|Aluminum|Aluminum|Aluminum| |
| 69 | |(% 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" %) |
| 70 | |(% style="width:102px" %) |(% style="width:282px" %)Maximum efficiency|18%|23%|20%|Obtained at recommended operating voltage. |
| 71 | |(% style="width:102px" %) |(% style="width:282px" %)Maximum mechanical power output|1W|1W|2.4W|Obtained at recommended operating voltage. |
| 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="180"/}}|(% rowspan="7" style="width:282px" %){{lightbox image="HT1-Performance-Graph-12V.jpg" width="282" height="180"/}}|Click image to enlarge |
| 73 | |
| 74 | //Values provided are based on test results. Actual values may vary slightly.// |