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PROCESSING TIME FOR REDUNDANT SYSTEMS
CHAPTER9 PROCESSING TIME FOR REDUNDANT
SYSTEMS
The scan time for redundant system control system CPU modules is the total time for I/O
refresh and instruction execution added to the tracking time for END processing.
Refer to the following manual regarding I/O refresh instruction execution time, and END
processing for control CPU module (redundant CPUs).
QCPU User's Manual (Function Explanation and Program Fundamentals)
The method for adding tracking time is explained here.
The time required for system switching will also be explained.
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