Mitsubishi Q00JCPU User Manual page 277

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MEMORIES AND FILES USED IN CPU MODULE

(5) Changing the program file during RUN

Redundant CPU and Universal model QCPU cannot change the program file during RUN using

the PLOADP instruction, PUNLOADP instruction, and PSWAPP instruction.

5.2 High Performance Model QCPU, Process CPU, Redundant CPU, Universal Model QCPU

(a) Changing method

During RUN of the High Performance model QCPU, Process CPU or Universal

model QCPU, files can be added, changed and deleted from the standard ROM or

memory card to the program memory with the following instructions in a sequence

• PLOADP instruction (program transfer from memory card to program

• PUNLOADP instruction (program deletion from program memory)

• PSWAPP instruction (program deletion from program memory and program

transfer from memory card to program memory)

Refer to the following manual for details of the PLOADP instruction, PUNLOADP

instruction and PSWAPP instruction.

QCPU (Q Mode)/QnACPU Programming Manual (Common Instructions)

(b) Program setting made when program file is changed

Even if a program file has been changed during RUN of the High Performance

model QCPU, Process CPU or Universal model QCPU, the program setting in the

PLC parameter dialog box is not changed.

Hence, when the High Performance model QCPU, Process CPU or Universal

model QCPU is set to a STOP status, correct the program setting of the PLC

parameter dialog box to the current settings made during RUN of the High

Performance model QCPU, Process CPU or Universal model QCPU (addition/

change/deletion of program name).

Otherwise, an error will occur when the CPU is switched from STOP to RUN

5.2.9 Execution of standard ROM/memory card programs (boot run)

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