App - 48 App - 48
MELSEC-Q
APPENDICES
Special Register List (Continued)
ACPU
Special
Conversion
Special
Register after
Conversion
Special
Register for
Modification
Name
Meaning
Details
Corresponding
CPU
D9044
SD1044
For sampling
trace
Step or time during
sampling trace
• Turned on/off with a peripheral device.
At scanning----------0
At time ----------------Time (10 msec unit)
Stores the value in BIN code.
D9049
SD1049
Work area for
SFC
Block number of
extension file
register
• Stores the block number of the expansion file register
which is used as the work area for the execution of a
SFC program in a binary value.
• Stores "0" if an empty area of 16K bytes or smaller,
which cannot be expansion file register No. 1, is used
or if SM320 is OFF.
D9050
SD1050
SFC program
error number
Error code
generated by SFC
program
• Stores code numbers of errors occurred in the SFC
program in BIN code.
0:
No error
80: SFC program parameter error
81: SFC code error
82: Number of steps of simultaneous execution
exceeded
83: Block start error
84: SFC program operation error
D9051
SD1051
Error block
Block number
where error
occurred
• Stores the block number in which an error occurred in
the SFC program in BIN code.
In the case of error 83 the starting block number is
stored.
D9052
SD1052
Step number where
error occurred
• Stores the step number in which error 84 occurred in
the SFC program in BIN code.
Stores "0" when errors 80, 81 and 82 occurred.
Stored the block starting step number when error 83
occurred.
D9053
SD1053
Error transition
Transition condition
number where error
occurred
• Stores the transfer condition number in which error 84
occurred in the SFC program in BIN code.
Stored "0" when errors 80, 81, 82 and 83 occurred.
D9054
SD1054
Error sequence
step
Sequence step
number where error
occurred
• Stores the sequence step number of transfer condition
and operation output in which error 84 occurred in the
SFC program in BIN code.
D9055
SD1055
SD812
Status latch
Status latch step
• Stores the step number when status latch is executed.
• Stores the step number in a binary value if status latch
is executed in a main sequence program.
• Stores the block number and the step number if status
latch is executed in a SFC program.
Block No.
(BIN)
Step No.
(BIN)
Higher 8 bits
Lower 8 bits
D9060
SD1060
SD392
Software version
Software version of
internal software
• Stores the software version of the internal system in
ASCII code.
Higher byte Lower byte
The data in the lower byte
position is indefinite.
The software version is stored
in the higher byte position.
For version "A", for example, "41H" is stored.
Note: The software version of the initial system may
differ from the version indicated by the version
information printed on the rear of the case.
QnA
D9072
SD1072
PLC
communications
check
Computer link data
check
• In the self-loopback test of the serial communication
module, the serial communication module writes/reads
data automatically to make communication checks.
D9081
SD1081
SD714
Number of
empty blocks in
communications
request
registrtion area
Number of empty
blocks in
communications
request registration
area
• Stores the number of empty blocks in the
communication request registration area to the remote
terminal module connected to the MELSECNET/MINI-
S3 master unit, A2C or A52G.
QnA
Содержание QCPU (Q Mode)
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