Using the Modbus Ports

Pinouts for Modbus RS485 Networks, Continued

9-Pin D-Shell

The illustration below shows the pinouts for wiring a male 9-pin D-shell connector

Pinout

for RS485. The metal shell is connected to chassis ground.

Pin

Function

 

 

1

TXD +

 

 

2

RXD +

 

 

3

Signal common

 

 

4

Reserved

 

 

5

Reserved

 

 

6

TXD -

 

 

7

RXD -

 

 

8

Reserved

 

 

9

Reserved

 

 

Continued on next page

136

870 USE 101 10 V.2

Page 136
Image 136
Schneider Electric Processor Adapter manual Pin D-Shell, For RS485. The metal shell is connected to chassis ground