Table of Contents
Advertisement
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.
STOP
Power supply ON
END processing
Initial execution type program
Scan execution type program A
Scan execution type program B
Scan execution type program C
(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.
2 - 20
RUN
RUN
1st scan
0
Figure 2.23 Execution order of the scan execution type programs
2nd scan
END
0
0
END
0
END
Scan time
3rd scan
4th scan
END
0
0
END
0
END
END
0
Advertisement
Table of Contents
