Rockwell Automation AADvance Controller Configuration Guide - Manual (Page 198)

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9-12 Document: 553633
ICSTT-RM405f-EN-P
Issue 07
Configuration Guide (AADvance Controller)
Connect Multiple Slave Devices, Full Duplex
You can use a full duplex serial connection to connect multiple Modbus slave devices
to the AADvance controller. To make the physical connection, do the following:
1) Select a suitable cable. We recommend 3-pair, overall shielded cable.
2) Remove the serial port connector from the 9100 processor base unit.
3) Make the connections shown in the illustration. Terminate the twisted pairs with a
120  resistor in series with a 68nF capacitor at the locations shown.
4) Connect the signal ground (not illustrated) from the 0V terminal to each slave
device.
Note: Do not connect the signal ground to the AC safety ground.
5) Insert the connector into the 9100 processor base unit.