User manual for the Four Star FS-PB-RPT PROFIBUS repeater hub, covering features, wiring, installation and troubleshooting.
This manual provides detailed information on the FS-PB-RPT PROFIBUS repeater hub from Four Star Electronics, including its basic characteristics, main uses, and technical specifications. It explains how the device can be used as a repeater or hub to extend PROFIBUS, MPI, PPI, MODBUS and RS485 networks, with electrical isolation and diagnostic LEDs.
The document also describes the external structure, terminal definitions, internal block diagram, typical network topologies, common troubleshooting questions, and ordering information. All installation and safety guidelines are included to ensure reliable operation in industrial fieldbus environments. This manual is written in Chinese.
| Interface type | PROFIBUS‑standard 4‑core terminal |
|---|---|
| Communication rate | 0 ~ 12 Mbps (auto‑adaptive, no delay) |
| Communication indication | LED for data receive and terminal‑resistor status on each RS485 port |
| Surge protection | Ipp = 100 A (10/700 µs, 4 kV) |
| ESD protection | ±15 kV |
| Over‑current protection | Handles up to 60 V continuous over‑current |
| Expandable quantity | Single unit works as repeater; N units combine to 2N‑port hub (max 10 units → 20‑port hub) |
| Supported protocols | PROFIBUS, MPI, PPI, MODBUS, RS485 free‑port |
| Power supply | DC 9 ~ 40 V, 1 W consumption |
| Isolation voltage | 1500 V DC between ports |
| IP rating | IP20 |
| Operating temperature | -40 °C ~ +85 °C |
| Dimensions | 80 mm × 46 mm × 63 mm (L × W × H) |
| Weight | 120 g |
| Installation method | DIN 35 mm standard rail |
It supports PROFIBUS, MPI, PPI, MODBUS and the free‑port RS485 protocol.