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APPENDICES
(1) Function
(a) Reads the periodic pulse count value.
(b) When reading the periodic pulse count value with the G(P).PPCVRD instruction,
(c) Completion device (D) and completion status indication device (D) +1 are
Sequence program
ON
OFF
G(P).PPCVRD
instruction
ON
Completion device (D)
OFF
ON
Completion status
OFF
indication device (D) + 1
(d) If the channels differ, the G(P).PPCVRD instructions can be executed
(e) The G(P).PPCVRD instruction can be executed while the module READY signal
(2) Error
There are no errors regarding the instruction.
consistency between the previous periodic pulse count value and the present
periodic pulse count value is retained. (Refer to Section 5.5.)
available for the interlock signal of the G(P).PPCVRD instruction.
1) Completion device
Turns ON at END processing in the scan where the G(P).PPCVRD
instruction is completed, and turns OFF at the next END processing.
2) Completion status indication device
Turns ON/OFF according to the status on completion of the G(P).PPCVRD
instruction.
Normal completion: Remains OFF.
Error completion: Turns ON at END processing in the scan where the
G(P).PPCVRD
instruction is completed, and turns OFF at the next END
processing.
END
END
processing
processing
Figure App.2 Timing chart of the G(P).PPCVRD
concurrently. For example, the G(P).PPCVRD1 instruction and G(P).PPCVRD2
instruction can be executed concurrently.
is ON. If executed while the signal is OFF, the instruction is ignored.
Completion of the G(P).PPCVRD
instruction
Appendix 1 Dedicated Instructions
Appendix 1.2 G(P). PPCVRD
END
END
processing
processing
instruction
Error
completion
Normal
completion
1 scan
App
- 3
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