User guide for the Huo niu RS485 Network Control System, covering operation, wiring, communication settings, and error codes for controlling rectifiers.
This manual describes the Huo niu Rectifier RS485 Network Control System (Second Generation-1-SIEMENS), a digital communication system designed to control rectifiers via PLCs. The system consists of a master machine, PLC, communication cards, and slave rectifiers equipped with network control cards. It supports RS485 and industrial Ethernet networks and is compatible with PLCs from brands such as Omron, Siemens, and Mitsubishi. This manual is written in Chinese.
| Compatible PLC brands | Omron, Siemens, Mitsubishi |
|---|---|
| Max rectifiers per port | 32 |
| Monitoring cycle | about 4 seconds |
| Power input | AC220V |
| Communication baud rate options | 19200, 38400 |
| Communication error timeout | 2 minutes |
| Max power consumption | 15W |
The rectifier will be turned off automatically after 2 minutes.
Up to 32 rectifiers can be connected to one port.
Error codes include 00 (normal), 01 (over current), 02 (deviation), and 03 (over heat).