Checking The Ethernet Communications - Omron CJ Series Connection Manual

7.4. Checking the Ethernet Communications

Execute the program and confirm that Ethernet communications are normally performed.
Confirm safety sufficiently before monitoring power flow and present value
status in the Ladder Section window or before monitoring present values in
the Watch window. If force-set/reset or set/reset operations are
incorrectly performed by pressing short-cut keys, the devices connected
to Output Units may malfunction, regardless of the operating mode of the
CPU Unit.
Precautions for Correct Use
Please confirm that the LAN cable is connected before proceeding to the following
procedure.
If it is not connected, turn OFF the power to the devices, and then connect the LAN cable.
7.4.1. Executing the Program and Checking the Receive Data
Execute the program and confirm that correct data is written to the I/O memory of the PLC.
1
Open the Programs Tree on the
project workspace of the
CX-Programmer, and
double-click Start&Set.
The ladder window shows the
Start&Set ladder.
2
Select Operating Mode -
Monitor from the PLC Menu.
3
The dialog box on the right is
displayed. Click the Yes Button.
7．Connection Procedure
Ladder window
28