Omron CX-PROCESS TOOL V5.2 - 12-2009 Operation Manual page 318

Operation Check
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2. The following dialog box will be displayed. Select the new element (timer or
counter) to be added.
3. After adding the element, click the Set and Transfer Button.
Deleting Elements (Possible on Element Display Screen Only)
An element can be deleted while the Loop Controller and sequence table are
operating.
Section 4-6