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Configuring an M1 CPU with Concept
870 USE 101 00 V.3 319
Changing the Modbus Address
Overview Each port can be assigned a Modbus network address in the range 1 ... 247. That
address must be unique with respect to all other device addresses on the same
Modbus networks.
Since Modbus port 1 and Modbus port 2 are always on different Modbus networks,
they can both be assigned the same address value without conflict. The factory-set
default for both ports is address 1.
Procedure From the Modbus Port Settings dialog box, perform the steps in the following table
to change the Modbus Address:
Set the Stop Bit at 1.
Bridge mode is not supported.
Step Address
1 Click on the Address field for the appropriate Modbus port.
2 Type a new value in the range 1 ... 247.