Mitsubishi Electric MELSECQ Series User Manual page 125

APPENDICES
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(3) Program example
The following example shows the program which reads the periodic pulse count value
of CH 1 for the QD63P6 mounted to to the slot where I/O number X/Y00 to X/Y1F are
assigned when the read command M0 is turned ON.
PPCVRD1
Executive
instruction
PPCVRD1 PPCVRD1
Completion Completion
device status
indication
device
PPCVRD1
Completion
status
indication
device
POINT
When the periodic pulse count value is read with the G(P).PPCVRD instruction,
the determination on consistency in the sequence program is unnecessary.
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Performing processing at error completion
Appendix 1 Dedicated Instructions
Appendix 1.2 G(P). PPCVRD
PPCVRD1 PPCVRD1
System area Completion
device
PPCVRD1
Executive
instruction
PPCVRD1
Executive
instruction
APPX
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