Pinouts for modbus rs485 networks, continued – Schneider Electric Processor Adapter User Manual
Page 136

Using the Modbus Ports
136
870 USE 101 10 V.2
Pinouts for Modbus RS485 Networks, Continued
9-Pin D-Shell
Pinout
The illustration below shows the pinouts for wiring a male 9-pin D-shell connector
for RS485. The metal shell is connected to chassis ground.
Continued on next page
Pin
Function
1
TXD +
2
RXD +
3
Signal common
4
Reserved
5
Reserved
6
TXD -
7
RXD -
8
Reserved
9
Reserved