Schneider Electric Processor Adapter - 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