Concept
RJ45 Pinout for the RS-485 Port(s) of the RP-V Controllers
This section provides the RJ45 pinout for the RP-V controllers' RS-485 port(s).
The number of RS-485 ports with RJ45 interface differ between the different controller models.
Regarding the differences in the set of RS-485 ports, the RP-V models can be divided into the following two categories:
RP-V-4A and RP-V-5A
Model with “-M” in the product name: RP-V-5C-M
For more information, see RP-V Models .
The RP-V-4A and RP-V-5A models have two RS-485 ports with RJ45 interface, which are labeled RS-485 Com A and RS-485 Com B. The RJ45 pinout differs only with regards to pin 2 between the two RS-485 ports.
The RP-V-5C-M model has one RS-485 port with RJ45 interface, which is labeled RS-485 Com A. The RJ45 pinout for RS-485 Com A port is the same as for the other RP-V models.
The wiring recommendations for the RS-485 ports depend on the type of network the ports are used for. For more information, see SmartStruxure Server Device Wiring .
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 |
RJ45 Pin | Description |
1 | Not connected |
2 | TXEN |
3 | RS485+ (A) |
4 | +24 VDC |
5 | Ground |
6 | RS485– (B) |
7 | +24 VDC |
8 | Ground |
Wiring
SmartStruxure Server Device Wiring
RP-V Communication Ports
Communication Ports on RP-V-4A and -5A
Communication Ports on RP-V-5C-M
RP-V Sensor Bus
RP-V Room Bus
RP-V Modbus
RP-V Models