Watlow Silver Series - Manual (Page 201)

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Configuring the Modbus Gateway
1. Configure the PLC to which Modbus registers will be mapped. Refer to the System Parameter Settings
section at the end of Chapter 6.
2. On the Model tab of the System Parameter dialog, change the HMI Station Number to the Modbus Unit
Number desired for the HMI.
3. Change the Port Number to the port used by the ModbusTCP Master. Typically, port 502 is used.
Add the Modbus RTU/TCP Slave protocol to the project, and set the PLC I/F to Ethernet. Refer to the System
Parameter Settings section at the end of Chapter 6.
1. Check the Enable checkbox in the MODBUS TCP/IP Gateway section
1010-1007, Rev. 10