Using the Modbus Ports

Pinouts for Modbus RS485 Networks

Overview

This section contains pinouts for wiring an RS485 network for Momentum

 

components.

RJ45 Pinout

 

The illustration below shows the pinouts for wiring an RJ45 connector for RS485:

Pin

Function

 

 

1

RXD -

 

 

2

RXD +

 

 

3

TXD +

 

 

4

Reserved

 

 

5

Signal common

 

 

6

TXD -

 

 

7

Reserved

 

 

8

Shield

 

 

Continued on next page

870 USE 101 10 V.2

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Image 135
Schneider Electric Processor Adapter manual Pinouts for Modbus RS485 Networks, Pin Function