Rockwell-automation AADvance Controller Configuration Guide Uživatelský manuál stáhnout pdf (Strana 200)

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Document: 553633

ICSTT-RM405f-EN-P

Issue 07

Configuration Guide (AADvance Controller)

Connect Multiple Slave Devices, Half Duplex

You can use a half 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 2-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 pair at both

ends with a 120 resistor in series with a 68nF capacitor.

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.

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