The LS ELECTRIC L7SB Series 400 V AC Servo Drive User Manual provides safety, installation, wiring, parameter and operation instructions.
This user manual describes safe and efficient use of the LS ELECTRIC L7SB Series 400 V AC servo drive. It covers safety precautions, environmental requirements, installation spacing, wiring guidelines, and handling procedures for both the drive and the associated servo motor.
The document also details the communication protocol (RS‑422/RS‑232), parameter settings, alarm handling, and provides product specifications such as rated output, torque, speed, and protection rating. Appendices include test‑drive procedures, parameter tuning, and contact information for LS ELECTRIC worldwide.
| Rated Output | 0.9 kW – 3.0 kW |
|---|---|
| Rated Torque | 2.86 N·m – 9.55 N·m |
| Rated Rotation Speed | 3000 rpm |
| Protection Method | Fully enclosed· self‑cooling IP65 |
| Operating Temperature | 0 °C – 50 °C |
| Ambient Humidity | 20‑80 % RH (no condensation) |
The servo drive requires an AC 380‑480 V power input.
The EEPROM can be rewritten up to 1 million times.