Omron CJ2 CPU UNIT SOFTWARE User Manual page 297

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Edit the parameters and, if necessary, click the Compare Button. If the Compare Button is
clicked while the PLC is online, the software immediately checks whether the I/O table settings
match the Unit settings (e.g., in the words allocated in the DM Area and CIO Area) in the CPU
Unit. If the contents do not match, the settings read from the actual Unit will be displayed in
orange.
The following example shows the results of comparing settings for a Controller Link Unit.
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If you want to download the parameters set for each Unit to the CPU Unit, click the Download to
Unit Button.
Precautions for Correct Use Precautions for Correct Use
When Special I/O Unit or CPU Bus Unit settings are edited in the I/O Table Window, the parame-
ters allocated in the DM Area or CPU Bus Unit Setup Area for the Unit are only transferred to the
actual PLC when the Transfer PC to Unit Button is clicked in the Edit Parameters Dialog Box.
They are not automatically enabled and will not be used unless you enable them. Click the Reset
Button to enable the parameter settings that have been transferred.
Additional information
Storing the Parameter Settings Data File
• The data set in the Edit Parameters Dialog Box can be saved in a parameter settings file with
an xml filename extension. To save the parameter settings, right-click the desired Special I/O
Unit or CPU Bus Unit in the I/O table and select Save Parameters from the pop-up menu.
• The saved parameter settings can also be read from a parameter settings file (xml filename
extension), but the settings must be for the same model Special I/O Unit or CPU Bus Unit.
CJ2 CPU Unit Software User's Manual
8 I/O Allocations and Unit Settings
The Unit settings that do not match
those in the computer will be
displayed in orange
The parameters are read from
the actual Unit and compared
with the settings in the
computer.
Click the Compare Button.
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