The FX2n-485-BD communication board adds RS485/RS422 capability to Mitsubishi Electric FXen series programmable controllers. It supports data transfer via no‑protocol, dedicated protocol, parallel link, and N:N network configurations.
The manual covers system configuration, mounting, wiring, specifications, diagnostics, and safety guidelines to ensure reliable communication in industrial automation applications.
| Transmission standard | Conforming to RS485 and RS422 |
|---|---|
| Maximum transmission distance | 50 m |
| LED indicators | SD (sending), RD (receiving) |
| Power supply | 5 V DC, 60 mA (supplied from controller) |
| Isolation | No isolation |
| Supported baud rate (parallel link) | 119,200 bps |
| Supported baud rate (N:N network) | 38,400 bps |
| Baud rate range (dedicated / no protocol) | 300 ~ 19,200 bps |
| Maximum stations (dedicated protocol) | 16 stations |
| Maximum stations (N:N network) | 8 stations |
The board can transmit up to 50 m without isolation.
It receives 5 V DC at 60 mA from the programmable controller.
Up to 16 stations can be linked when using the dedicated protocol.
The SD LED flashes during sending and the RD LED flashes during receiving.