Other Instructions: Non-Processing - Mitsubishi Electric A800 Programming Manual

Sequence instructions
3.25.11
Other instructions: non-processing ... NOP,
NOPLF, PAGE n
Bit device
X Y M
Function
NOP
Non-processing instructions do not have an effect on previously executed operations.
NOP are used in the following situations.
• Creating space for sequence program debugging.
• Deleting instructions without changing the number of steps. (Replaced by NOP)
• Temporarily deleting instructions.
NOPLF
This is a no operation instruction that has no impact on any operations up to that point.
The NOPLF instruction is used when printing from a peripheral device to force a page change at any desired location.
• When printing ladders
• 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.
• When printing instruction lists
• The page will be changed after the printing of the NOPLF instruction.
Refer to the Operating Manual for the peripheral device in use for details of printouts from peripheral devices.
PAGE n
This is a no operation instruction that has no impact on any operations up to that point.
No processing is performed at peripheral devices with this instruction.
138
Sequence program
Applicable device
Word (16-bit)
Constant
device
T C D K
Digit
Level
specification
H N
NOP does not appear in ladder display.
NOPLF
PAGE
Error flag
(SM0)

n