Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2022-09-03
Featured FourStar manuals
Four Star FS-485G RS232/RS485/422 Opto-Isolated Converter User Manual
The FS-485G is an industrial‑grade converter that provides isolated RS232 to RS485 and RS422 communication. It uses a DC/DC isolated power module and a high‑speed optocoupler to achieve up to 1000 VDC isolation (3000 VDC on request) and supports multi‑point networks up to 128 nodes.
The manual details power requirements, wiring diagrams, termination settings, and recommended cabling. It also covers installation options such as 35 mm DIN rail mounting and provides guidance for both half‑duplex RS485 and full‑duplex RS422 configurations. This manual is written in Chinese.
Covers: 主要技术参数 · 接线端子信号定义 · 产品的应用 · RS485/RS422 网络配置 · 终端电阻设置 · 安装方式
Latest FourStar manuals
Four Star FS-485G RS232/RS485/422 Opto-Isolated Converter User Manual
User Manual 5 pages · 255 KB · ZHThe Four Star FS-485G manual explains installation, wiring, and operation of the RS232 to RS485/RS422 opto‑isolated converter.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in FourStar manuals
What type of cable should be used for the communication lines?
Use shielded twisted‑pair cable with a cross‑section of at least 0.5 mm² and a characteristic impedance of 120 Ω.
From: Four Star FS-485G RS232/RS485/422 Opto-Isolated Converter User Manual
How many RS232 ports can be combined in one network?
Up to 128 RS232 ports can be linked together in a single RS485/RS422 network.
From: Four Star FS-485G RS232/RS485/422 Opto-Isolated Converter User Manual