Comtrol Modbus TCP Quick Start - Manual (Page 51)

DeviceMaster UP Modbus/TCP Quick Start: 2000477 Rev. G Configuring Read/Write Raw/ASCII Devices - 51
Configuring Read/Write Raw/ASCII Devices
You may also be able to use the Ethernet Device Interface Logs page to determine these settings.
8. Configure the Modbus/TCP Settings for your environment using one of the following methods.
• PLC master/DeviceMaster UP Slave mode, go to Step 9 on Page 52 for configuration procedures.
• PLC slave/DeviceMaster UP Master mode, go to Step 10 on Page 53 for configuration procedures.
• Dual Master – Write mode, go to Step 11 on Page 55 for configuration procedures.
Note: You can use the PLC Master/DeviceMaster UP Slave method
only if your PLC can operate as a Modbus/TCP master, Modbus/RTU
serial master, or Modbus/ASCII serial master.
Note: You can use the PLC Slave/DeviceMaster UP Master method only if your
PLC can operate as a Modbus/TCP slave, Modbus/RTU serial slave, or
Modbus/ASCII serial slave.
Note: You can use the Dual Master - Write method only if your PLC can
operate as a Modbus master and slave, simultaneously.