SINAMICS S120CM is the new generation multi-machine drive inverter from Siemens. This inverter has highly flexible modular cabinet design, innovative communication technology and professional cabinet, which can meet various application needs.
This manual describes the SINAMICS S120CM drive cabinet, which uses Siemens' DRIVE‑CLiQ network technology for flexible, high‑speed communication and modular power unit integration. It explains the system architecture, including the CU320 control unit, power units, and the various connection options for parallel operation.
Technical data such as input voltage ranges, current ratings, power capabilities, switching frequency, and communication speeds are listed, along with typical application examples like paper machines, rolling mills, hoists, and test benches. Safety and EMC measures are also covered. This manual is written in Chinese.
| Input cabinet voltage (380‑480 V) current rating | 250 A–3200 A |
|---|---|
| Input cabinet voltage (500‑690 V) current rating | 280 A–3200 A |
| Rectifier/Regeneration cabinet power (380‑480 V) | 250 kW–800 kW |
| Four‑quadrant operation power (500‑690 V) | 450 kW–1400 kW |
| Inverter cabinet power (340‑480 V) | 1.6 kW–800 kW |
| Adjustable switching frequency | 1.25 kHz–8 kHz |
| Communication speed | up to 100 Mbps full‑duplex |
Multiple power units can be paralleled, allowing the system to combine the required total power.
The cabinet is suited for multi‑motor coordination such as paper machines, rolling mills, hoists, and test benches.
It supports 380–480 V (250 A–3200 A) and 500–690 V (280 A–3200 A) input ranges.