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Appendix 2 CPU Module Processing Time
This section describes the CPU module processing time.
Appendix 2.1 Time Required for Each Processing Included in Scan
Time
This section describes how to calculate the time required for processing and execution in the scan time.
*1 End of a program indicates the timing when the END, GOEND, FEND, or STOP instruction is executed.
STOP/PAUSE status
STOP/PAUSE processing
NO
YES
Operating status check
RUN status
Processing
in the RUN status
Program check
I/O refresh
Execution of the DUTY instruction in END processing
(no execution when the DUTY instruction is not used)
Program execution
End the program?*
1
CC-Link refresh
Refresh by the intelligent function module
parameters
Calendar update, error clear
Device data latch processing
Service processing
Processing during the constant scan waiting time
(no processing when the constant scan time is not set)
WDT reset, scan time calculation
I/O refresh time
( )
Instruction execution time in End processing
( )
Instruction execution time
( )
Module refresh time
( )
Function execution time in End processing
( )
Service processing time
( )
Common processing time
( )
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Page 308, Appendix 2(6)
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Page 307, Appendix 2(4)
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