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SEQUENCE PROGRAM CONFIGURATION AND
EXECUTION CONDITIONS
(2) Program execution order of High Performance model QCPU, Process
CPU, Redundant CPU or Universal model QCPU
The High Performance model QCPU, Process CPU, Redundant CPU or Universal
model QCPU executes a program in the following order (Figure 3.2).
POINT
).
The High Performance model QCPU, Process CPU, Redundant CPU or Universal
model QCPU can store multiple programs.
Set the program execution order on the Program tab of PLC parameter in GX
Developer. ( Section 3.3.6)
Figure 3.2 Program execution order of High Performance model QCPU, Process CPU, Redundant CPU or
Universal model QCPU
Execution order can be changed.
Initial processing
I/O module refresh processing
Program operation processing
END processing
Operation processing of program B
Operation processing of program C
Operation processing of program A
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