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概念
产品：
MP-V
功能：
硬件
产品版本：
2022, 2023, 2024, 7.0
2022/12/17
RJ45 Pinout for the RS-485 Port of the MP-V Controller
This section provides the RJ45 pinout for the MP-V controller's RS-485 port.
The RS-485 port is labeled RS-485 Com A. 有关更多信息，请参阅 MP-V Communication Ports .
注释：
The labeling of the RS-485 port differs between different hardware versions of the MP-V controllers. 有关更多信息，请参阅 Differences Between MP-V Hardware Versions .
The wiring recommendations for the RS-485 port depend on the type of network the port is used for. 有关更多信息，请参阅 Communication Port Wiring .
图：
RJ45 pinout for the MP-V controller RS-485 Com A port
|
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
Communication Port Wiring
MP-V Communication Ports
MP-V Sensor Bus
MP-V BACnet MS/TP Support
Differences Between MP-V Hardware Versions
MP-V Models