LSS - Specifications
Version 26.7 by Brahim Daouas on 2019/03/01 16:05
| Specification | LSS HS1 | LSS ST1 | LSS HT1 | Note | |
| Voltage | |||||
| Absolute minimum operating voltage | 6V | 6V | 6V | ||
| Minimum operating voltage | 6.5V | 6.5V | 6.5V | ||
| Recommended operating voltage | 12V | 12V | 12V | ||
| Maximum operating voltage | 12.6V | 12.6V | 12.6V | ||
| Absolute maximum operating voltage | 15.2V | 15.2V | 15.2V | 15.2V : Upper voltage limit | |
| Torque | |||||
| Maximum static holding torque at 12V (stall) | 8 Kg-cm | 14 Kg-cm | 29 Kg-cm | ||
| Maximum dynamique torque at 12V (~25% of holding torque) | 1.6 Kg-cm | 2.8 Kg-cm | 5.8 Kg-cm | ||
| Maximum efficiency | 18% | 23% | 20% | ||
| Maximum mechanical power output | 1 Watts | 1 Watts | 2.5 Watts | ||
| RPM | |||||
| KV Value | 8.35 | 5 | 5 | This value is intended to approximate servo's no load RPM based on intermediate input voltage (6V~12V) | |
| No load RPM at 6V (Serial or RC) | 50 RPM | 30 RPM | 30 RPM | ||
| No load RPM at 12V (Serial or RC) | 100 RPM | 60 RPM | 60 RPM | ||
| RPM at 12V under 20% dynamic load | 75 RPM | 50 RPM | 50 RPM | ||
| Position Accuracy | |||||
| No load accuracy at 6V | ±0.4° | ±0.40° | ±0.15° | Accuracy depends on the angular holding stiffness value (CAH) | |
| No load accuracy at 12V | ±0.25° | ±0.25° | ±0.15° | Accuracy depends on the angular holding stiffness value (CAH) | |
| 25% dynamic load at 12V | ±1.75° | ±0.50° | ±1.50° | Accuracy depends on the angular holding stiffness value (CAH) | |
| Angular deflection angle at 6V (Maximum holding torque) | 7.00° | 2.00° | 2.50° | Accuracy depends on the angular holding stiffness value (CAH) | |
| Angular deflection angle at 12V (Maximum holding torque) | 2.00° | 1.50° | 2.00° | Accuracy depends on the angular holding stiffness value (CAH) | |
| Current | |||||
| Standby current at 6V | 60mA | 60mA | 60mA | ||
| Standby current at 12V | 70mA | 70mA | 70mA | ||
| Free-running current at 6V | 140mA | 140mA | 90mA | ||
| Free-running current at 12V | 180mA | 180mA | 320mA | ||
| Peak current at 12V under 25% dynamic load | 650mA | 650mA | 1200mA | At stiffness 4 (strongly depend on the stiffness) | |
| Current at 6V under maximum holding torque | 350mA | 350mA | 550mA | At stiffness 4 (strongly depend on the stiffness) | |
| Current at 12V under maximum holding torque | 300mA | 300mA | 800mA | At stiffness 4 (strongly depend on the stiffness) | |
| Temperature | |||||
| Operating temperature range | 45°C~67°C | 45°C~67°C | 45°C~85°C | 45°C : servo idle temperature 67°C : temperature shut-down for HS1 - ST1 85°C : temperature shut-down for HT1 | |
| Environmental temperature range | 0~65°C | 0~65°C | 0~65°C | These servos are meant for indoor use | |
| Feedback Resolution | |||||
| Position | 1/10° | 1/10° | 1/10° | ||
| RPM | ±1 RPM | ±1 RPM | ±1 RPM | ||
| Voltage | 1/10V | 1/10V | 1/10V | ||
| Current | 1/10A | 1/10A | 1/10A | ||
| Temperature | 1/10°C | 1/10°C | 1/10°C | ||
| Communication | |||||
| 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) RC PWM : 500uS~2500uS | |
| 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. | |
| Suggested Baudrate | 115200bps | 115200bps | 115200bps | ||
| Serial Protocol | LSS Protocol | LSS Protocol | LSS Protocol | ||
| 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 | ||
| Servo Pinout | Rx | Vcc | GND | Tx | Rx | Vcc | GND | Tx | Rx | Vcc | GND | Tx | ||
| Operating Angle | |||||
| 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 for details) | |
| Operating angle (RC) | Up to 360° | Up to 360° | Up to 360° | ||
| Continuous rotation / Wheel Mode (Serial & RC) | Yes | Yes | Yes | ||
| General | |||||
| Weight | 57.0g | 57.0g | 63.0g | ||
| 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 for details | |
| Gear Ratio | 1 : 146 | 1 : 253 | 1 : 320 | ||
| Case Material | ABS plastic | ABS plastic | ABS plastic top / bottom Aluminum center | ||
| Gear Material | Brass | Brass | Stainless steel | ||
| Output spline | 24T | 24T | 24T | ||
| Motor Type | Cored DC Motor | Cored DC Motor | Coreless DC Motor | ||
| Hardware (Mounting) | 2-56 x 1/4" | 2-56 x 1/4" | 2-56 x 1/4" | ||
| Horn Material (Driven & Idler) | Aluminum | Aluminum | Aluminum |