Ladder Diagram Operation Check - Omron CX-PROCESS TOOL V5.2 - REV 10-2010 Operation Manual

Operation Check

4-6-6 Ladder Diagram Operation Check

Ladder Diagram Operation Check
Changing to Ladder
Diagram Validate Action
Mode
1, 2, 3...
Displaying Contact ITEM
Status
278
Validate Action Mode. Refer to the data range of each ITEM in the
Function Block Reference Manual.
The following description provides information on how to check the operation of
ladder diagrams for the Loop Controller in Validate Action Mode.
The following data of step ladders (block model 301) will be displayed or set.
• Display of the status of contact ITEM
• Force set or reset of contact ITEM
• Stop block operation/Cancel stop of function blocks incorporating contact
ITEMs
Loop Controller
Take the following steps to change the CX-Process Tool to Validate Action
Mode.
1. Select the block diagram folder and select Edit/Step Ladder Program from
the Settings Menu. The ladder diagram will appear.
2. Select Start from the Validate Action Menu. The following screen will appear
and the cursor will change to the
The status of the ITEM will be displayed by "1" or "0" below the contact.
Note For a normally closed contact, "0" will be displayed if the ITEM is 0. When the
contact is closed, "1" will be displayed.
Display of status of Forced-setting or
contact signals forced-resetting of
contact signals
Ladder diagram
icon.
Section
CX-Process Tool
4-6