No Operations (Nop,Noplf - Mitsubishi MELSEC Q Series Programming Manual

5.7.2
No operations (NOP,NOPLF,PAGE n)
NOP,NOPLF,PAGE n
NOP
NOPLF
PAGE n
Setting
Data
––
Function
NOP
(1) This is a no operation instruction that has no impact on any operations up to that point.
(2) The NOP instruction is used in the following cases:
(a) To insert space for sequence program debugging.
(b) To delete an instruction without having to change the number of steps. (Replace the
instruction with NOP.)
(c) To temporarily delete an instruction.
NOPLF
(1) This is a no operation instruction that has no impact on any operations up to that point.
(2) The NOPLF instruction is used when printing from a peripheral device to force a page
change at any desired location.
(a) When printing ladders
(b) When printing instruction lists
(3) Refer to the Operating Manual for the peripheral device in use for details of printouts from
peripheral devices.
Command
Internal Devices
R, ZR
Bit Word
• A page break will be inserted between ladder blocks with the presence of the NOPLF
instruction.
• The ladder cannot be displayed correctly if an NOPLF instruction is inserted in the
midst of a ladder block.
Do not insert an NOPLF instruction in the midst of a ladder block.
• The page will be changed after the printing of the NOPLF instruction.
High
Basic
performance
In the ladder display, NOP is not displayed.
NOP
J \
U \G
Bit Word
––
NOP,NOPLF,PAGE n
Process
Redundant Universal LCPU
NOPLF
PAGE n
Zn Constants Other
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