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CHAPTER2 SEQUENCE PROGRAMS
2
3
2.3 Settings When Progr
am is Divided
2.3.2 Scan executio
n type
progr
am
2.3.2 Scan execution type program
(1) Definition
Scan execution type program is executed once in every scan, starting in the next scan of which the initial
execution type program is executed and later.
(2) Processing
When multiple scan execution type programs are executed, the scan time will be the time required for completing
all the scan execution type program execution.
If an interrupt program or fixed scan execution type program is executed, execution time of the executed program
will be added to the scan time.
Figure 2.25 Execution order of the scan execution type program
1st scan
2nd scan
3rd scan
4th scan
END processing
Initial execution type program
Scan execution type program A
Scan execution type program C
Scan execution type program B
0
END
0
END
0
END
0
END
0
END
0
END
0
END
0
Scan time
Power supply ON RUN
STOP RUN
