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Configuring an M1 CPU with Concept
320
870 USE 101 00 V.3
Changing the Protocol on Modbus Port 2
Overview If your TSX Momentum M1 CPU is using the Modbus Port 2 provided by the
172 JNN 210 32 Option Adapter, you can specify whether it will use the RS232 or
RS485 protocol. The factory-set default for Modbus Port 2 is RS485.
Procedure From the Modbus Port Settings dialog box, perform the steps in the following table
to change the Protocol on Modbus Port 2.
Step Action
1 Click on the down arrow under the Protocol heading.
Result: A menu appears with the two protocol options.
2 Click on RS232 or RS485.
Result: The Modbus Port Settings dialog box is updated with the protocol you have
specified.