You can use the Modbus TCP/IP Diagnostics program provided with the CIMPLICITY Modbus TCP/IP Communications option to check the basic configuration and operation of your network without starting a CIMPLICITY project. You can perform the following functions:
Read Holding Registers
Write Holding Registers
Important: For this program to function, you must have successfully installed the CIMPLICITY Modbus TCP/IP Communications option.
To start the program, select the Modbus TCP/IP Diagnostics icon in the CIMPLICITY menu.
The Network Options Ethernet Tester window opens.
This menu monitors data communications for a given Modicon Quantum PLC.
Connect to a PLC