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5.4 Operation Mode Change Function
5
REDUNDANT SYSTEM FUNCTIONS
• When the operation mode change request is issued to the standby system
CPU module
(If the system switching is executed in the separate mode, the operation
mode change request is issued to the new control system CPU module.)
If the error dialog box (Diagram 5.38) appears on GX Developer, specify
the control system CPU module and make the operation mode change
request.
• When the operation mode change request and the system switching
request are issued simultaneously
The operation mode will not be changed even after the system switching
is completed.
If the error dialog box (Diagram 5.39) appears on GX Developer, after the
system switching, repeat the operation mode change.
• When the operation mode change request is issued to the CPU module in
the debug mode
If the error dialog box (Diagram 5.40) appears, cancel Debug Mode in the
redundancy parameters.( Section 5.1.3)
• When a hardware failure or watchdog timer error has occurred in the
control system CPU module
If the error dialog box (Diagram 5.41) appears on GX Developer, cancel
the specified control system CPU error and change the operating mode.
Diagram 5.38 Error Dialog Box Displayed on GX Developer
Diagram 5.39 Error Dialog Box Displayed on GX Developer
Diagram 5.40 Error Dialog Box Displayed on GX Developer
Diagram 5.41 Error Dialog Box Displayed on GX Developer
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