Omron CX-Programmer 9, Operation Manual

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PART 1: CX-Programmer
CHAPTER 4 – Reference OMRON
CX-Programmer _Page 90
Forcing is only allowed when the PLC is in Debug or Monitor mode (not Run mode).
Use the following procedure to force bits.
1, 2, 3… 1. Obtain the Ladder program and select the element to be forced.
2. Select Force from the context sensitive menu, followed by On , Off or Cancel .
Select Force from the context sensitive menu, followed by Cancel All to cancel all forced bits so that current
values are free to be changed by the PLC program.
Once an element has been forced, a symbol is placed in the Ladder program to indicate that its status has been
forced.
♦
Set . Set is available from the contact or coil context sensitive menu. The bit can be set to 1 or 0 by selecting
the Set option from the contact or coil context sensitive menu followed by Value , To 1 or To 0 .
♦ Differentiate . Differentiate is available from the contact or coil context sensitive menu, performing the
same functions as that within the Edit Contact dialog. Select Differentiate from the context sensitive menu,
followed by Up or Down .
♦
Immediate . Immediate Refresh is available from the contact or coil context sensitive menu, performing the
same functions as that within the Edit Contact dialog. Select Immediate Refresh from the context sensitive
menu.
♦
Differential Monitor . Differential Monitor is for bits that are not accessible for conventional monitoring
(for instance, values changing too rapidly), but which can be monitored via the Differential Monitor dialog.
The dialog permits the selection of a particular bit to monitor, whether it is monitored against its falling or
rising edge, and whether sound should be used when the bit value changes.
Use the following procedure to apply the differential monitor.
1, 2, 3… 1. Select the Program object in the project workspace to display the Ladder program in the
Diagram Workspace.
2. Select the Work On-line button from the toolbar. A confirmation message is displayed:
select the Yes pushbutton to connect to the PLC.
3. Select the Run Mode button from the toolbar. Differential monitoring can only be
accomplished in this PLC operating modes and Monitor mode.
4. Select the contact or coil to monitor.
5. Select the Differential Monitor button from the toolbar. The Differential Monitor dialog
is displayed.
6. The address associated with the contact or coil selection is displayed in the Address field.
Select an Edge option.
7. Select the Sound setting to retrieve audio whilst monitoring.
8. Select the Start pushbutton to start monitoring. The Start pushbutton becomes a Stop
pushbutton.
9. Select the Stop pushbutton to cancel monitoring. Select the Close pushbutton to exit the
dialog.
10. Select the Toggle PLC Monitoring button from the toolbar to stop monitoring.
Instruction Editing
The Edit Instruction dialog allows an instruction to be selected and entered into the Ladder program.
The dialog can be displayed in two forms, either: simple dialog mode or detailed dialog mode . The default
mode can be set in the Diagram tab in the Options dialog. To change the simple dialog mode to a detailed
dialog mode , select Detail pushbutton.