Whole Program Processing Of High Performance Model Qcpu, Process Cpu, Redundant Cpu, Universal Model Qcpu, Lcpu, And Qnacpu; Whole Program Processing Sequence - Mitsubishi MELSEC-Q Series Programming Manual

5 SFC PROGRAM PROCESSING SEQUENCE
5.2 Whole Program Processing of High Performance Model QCPU,
Process CPU, Redundant CPU, Universal model QCPU, LCPU,
and QnACPU
This section explains the whole program processing of the High Performance model QCPU,
Process CPU, Redundant CPU, Universal model QCPU, LCPU, and QnACPU.
Since this manual describes only the outline, refer to the QCPU User's Manual (Function
Explanation, Programming Fundamentals) for details.

5.2.1 Whole program processing sequence

The High Performance model QCPU, Process CPU, Redundant CPU, Universal model QCPU,
LCPU, and QnACPU can store multiple programs in the program memory as files, and can
execute multiple files concurrently or the specified file only.
The whole operation image is as shown below.
: The low-speed execution type program execution is not available for the Redundant CPU, Universal model QCPU, and LCPU.
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CPU module RUN
1)
Initial execution
type program
2)
Scan execution
type program
3)
Low speed
execution
type program
Started only
4)
when necessary.
Stand-by type
program
5)
Fixed scan
Execution time
execution type
monitoring
program
Can be executed by High
Performance model QCPU,
Process CPU or Redundant
CPU.
5
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