Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual page 9

Example for the CP1L
Unit version
Use the above display to confirm the unit version of the CPU Unit.
Procedure When the Device Type and CPU Type Are Not Known
This procedure is possible only when connected directly to the CPU Unit with
a serial connection.
If you don't know the device type and CPU type but are connected directly to
the CPU Unit on a serial line, select PLC - Auto Online to go online, and then
select PLC - Edit - Information from the menus.
The PLC Information Dialog Box will be displayed and can be used to confirm
the unit version of the CPU Unit.
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