The LS ELECTRIC L7NHA002U is a 200 W AC servo drive with EtherCAT communication. It supports distributed-clock synchronisation down to 250 µs and a frequency response of about 1 kHz. It drives rotary, direct-drive and linear motors, including third-party motors.
| Model |
L7NHA002U |
| Rated output |
200 W |
| Main power |
3-phase 200–230VAC (-15% to +10%), 50/60 Hz |
| Control power |
Single-phase 200–230VAC (-15% to +10%), 50/60 Hz |
| Rated current |
1.7 A |
| Peak current |
5.1 A |
| Speed control range |
Up to 1:5000 |
| Frequency response |
1 kHz or more (19-bit serial encoder) |
| Speed regulation |
±0.01% or less (load 0–100%), ±0.1% or less (25 ±10 °C) |
| Torque control repeatability |
Within ±1% |
| Communication |
EtherCAT — CoE (IEC 61158 Type 12, IEC 61800-7 CiA 402), EoE, FoE |
| Physical layer |
100BASE-TX (IEEE 802.3), RJ45 x 2, max. 100 m between nodes |
| CiA 402 modes |
PP, PV, PT, CSP, CSV, CST, Homing |
| Digital inputs |
8 channels, 12–24VDC, 12 assignable functions |
| Digital outputs |
4 channels, 24VDC ±10%, 120 mA, assignable |
| Safety |
STO (2 inputs), EDM (1 output) |
| Braking |
Dynamic brake built in; regenerative brake built in, external resistor optional |
| Display |
5-digit 7-segment |
| Node address |
Set by rotary switch |
| Protection |
Overcurrent, overload, current limit, overheat, overvoltage, undervoltage, overspeed, encoder error, following error, current sensing error |
| Operating / storage temperature |
0 to 50 °C / -20 to 70 °C |
| Operating / storage humidity |
80% RH or less / 90% RH or less (no condensation) |
