This document is a product manual for Junhe Hung FB400/FB900, which introduces the specifications and features of the product.
This manual describes the FB400/FB900 digital controller, covering its parameter overview, setting modes, and engineering functions. It is intended for users who need to configure, monitor, and operate the controller in industrial applications.
Key sections include parameter tables, event monitoring, communication settings, PID control, alarm configuration, and detailed function‑block parameters. The document also explains how to use engineering mode for advanced adjustments. This manual is written in Chinese.
| Communication speed | 4800 bps |
|---|---|
| Analog output current range | 0~20 mA |
| Low voltage range | +100 mV DC |
| Current input range | 0~1000 A |
The controller supports 4800 bps, 38400 bps, and 9600 bps communication speeds.