This section provides the RJ45 pinout for the RP-C controller's two RS-485 ports.
The RS-485 ports are labelled Sensor Bus (RS-485 Com A) and Room Bus (RS-485 Com B). Para mais informações, consulte RP-C Communication Ports . The RJ45 pinout is identical for the two RS-485 ports.
RJ45 Pin |
Description |
1 |
Not connected |
2 |
Not connected |
3 |
RS485+ (A) |
4 |
+24 VDC |
5 |
Ground |
6 |
RS485– (B) |
7 |
+24 VDC |
8 |
Ground |
The wiring recommendations for the RS-485 ports depend on the type of network the ports are used for. Para mais informações, consulte Communication Port Wiring .