![NX1W-CIF1[] - Omron Option Boards](https://inosaki.com/wp-content/uploads/2024/01/Omron_Option-Boards_NX1W-CIF11.webp)
The Option Boards are mounted to the option board slot on the CPU Unit.
| Specification | Supported protocol |
Model |
|---|---|---|
| One RS-422A/485 port. Transmission distance: 50 m. Connection type: Screwless clamping terminal block (5 terminals) |
Host link, Modbus-RTU master, and no-protocol |
NX1W-CIF11 |
| One RS-422A/485 port (isolated). Transmission distance: 500 m. Connection type: Screwless clamping terminal block (5 terminals) |
NX1W-CIF12 |