Instruction Related - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Instruction related

The following is the list of special relay areas relating to the instruction-related items.
No. Name
SM699 Dedicated instruction skip
flag
SM700 Carry flag
SM701 Number of output
characters selection
SM702 Search method
SM703 Sort order
SM704 Block comparison
SM705 Number of conversion digits
selection
SM709 DT/TM instruction improper
data detection flag
APPX
816
Appendix 4 List of Special Relay Areas
Data stored Details
Off: Instruction being • This relay indicates whether the built-in
executed or completed
On: Instruction not
executed
• This relay saves/returns while the
Off: Carry off • This relay is a carry flag used while the
On: Carry on
• This relay saves/returns when the
Off: Outputs until reaching • ASCII codes are output until reaching
NULL code
On: Outputs 16 characters • 16 characters of ASCII codes are output,
• This relay saves/returns when the
Off: Sequential search • The search method in the search
On: Dichotomizing search
• To use the dichotomizing search, data
• This relay saves/returns while the
Off: Ascending • This relay can be used to specify how to
On: Descending
• This relay saves/returns while the
Off: Mismatch is detected • This relay switches to on when all the
On: Completely match
• This relay saves/returns while the
Off: Fixed number of digits • When SM705 is off, the conversion data
On: Desired number of
digits
• When SM705 is on, the conversion data
• This relay saves/returns while the
Off: No improper data • This relay switches to on when the
On: Improper data is
detected
• This relay saves/returns while the
Ethernet function instruction (the
SP.SOCOPEN/SP.SOCCLOSE/
SP.SOCRCV/S.SOCRCVS/SP.SOCSND/
SP.ECPRTCL/SP.SLMPSND/
SP.FTPPUT/SP.FTPGET instruction),
intelligent function module dedicated
instruction, or multiple CPU dedicated
instruction has been skipped. (Checking
this flag immediately after the instruction
issue allows to determine whether or not
the dedicated instruction is non-
processing (skipped) in the internal
processing.)
interrupt program is being executed.
application instruction is executing.
interrupt program is being executed.
NULL (00H) code, when SM701 is off.
when SM701 is on.
interrupt program is being executed.
instruction can be specified by using this
relay.
must be sorted.
interrupt program is being executed.
arrange data in the sort instruction:
ascending or descending.
interrupt program is being executed.
data conditions are met in the block data
comparison instruction.
interrupt program is being executed.
is specified and output with the fixed
number of digits.
is specified and output with the desired
number of digits.
interrupt program is being executed.
comparison target data is date data or
cannot be recognized as clock data, or
the comparison target device (three
words) exceeds the specified device
range in the DT/TM instruction.
interrupt program is being executed.
Set by (setting timing) CPU
S (Status change) ALL
S (Instruction execution) ALL
U ALL
U ALL
U ALL
S (Instruction execution) ALL
U Rn
S (Instruction execution)/U ALL
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