Key facts
- Brand
- Siemens
- Model
- G120X
- Industry
- Industrial
- Documents
- 4
- Languages
- ZH
- Last added
- 2026-10-16
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Siemens SINAMICS G120X VFD Operation Instructions
This document is the Operation Manual (操作说明) for the Siemens SINAMICS G120X family of variable frequency drives. It serves as a comprehensive guide for qualified personnel to install, wire, debug, and operate the drive in industrial automation applications.
The manual covers the entire lifecycle of the device, starting with basic safety instructions and legal information. It details the physical installation process, including mounting options like wall-through technology and optional components such as power filters and I/O expansion modules. A significant portion is dedicated to wiring procedures for power supplies, motors, and various control interfaces including PROFINET, EtherNet/IP, Modbus RTU, USS, and PROFIBUS. This manual is written in Chinese.
Siemens G120X specifications
| Power range | 0.75 kW ~ 630 kW |
|---|---|
| Input voltage | 380–480 V (‑20%/+10%) / 500–690 V (‑20%/+10%) |
| Frequency | 47 Hz / 63 Hz ±5 % |
| Protection class | IP20, optional IP21 |
| Operating temperature | -20 °C ~ 45 °C (derated to 60 °C) |
| Digital inputs | 6 |
| Analog inputs | 2 (0 ~ 10 V, 0/4 ~ 20 mA) |
| Safety function | STO, SIL3 |
All Siemens G120X documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the firmware version of this manual?
The document specifies Firmware Version V1.01.
Who is the manufacturer of this drive?
The manufacturer is Siemens AG Digital Industries.
What is the power range of the SINAMICS G120X inverter?
The G120X covers a power range from 0.75 kW up to 630 kW.
What protection class does the inverter have?
The standard protection class is IP20, with an optional IP21 top‑cover kit.
What is the power range of the SINAMICS G120X inverter?
The inverter covers a power range from 0.75 kW up to 630 kW.
Which communication protocols does the SINAMICS G120X support?
It supports PROFINET, EtherNet/IP, Modbus RTU, USS, PROFIBUS and BACnet.