You can use the OMRON TCP/IP Diagnostics program to check the basic configuration, cabling and operation of your network without running a CIMPLICITY project. You can use this program to read and write data from and to a specified OMRON programmable controller. A single value (channel or timer/completion bit) is transferred at a time.
The top section of the dialog contains fields for setting the source node information (information on your computer's location on the network) and for selecting a UPD service (port number) for communications. A display only field in the center of the dialog displays error and status information. Below the status message field are fields you can use to specify PLC Address, Data Address and Data Values for read and write testing