App - 42 App - 42
MELSEC-Q
APPENDICES
Special Register List
(7) Debug
Number
Name
Meaning
Explanation
Set by
(When
set)
Corresponding
ACPU
D9
Corresponding
CPU
SD780
Remaining
No. of
simultaneous
execution of
CC-Link
dedicated
instruction
0 to 32
• Stores the remaining number of simultaneous execution of the CC-
Link dedicated instructions.
U
New
QnA
SD781
TO
SD793
Mask pattern
of IMASK
instruction
Mask pattern
• Stores the mask patterns masked by the IMASK instruction as
follows:
SD781
SD782
SD793
l63
l49 l48
l79
l255
l65
l241
l64
l240
B15
B0
B1
to
to
to
to
S (During
execution)
New
QCPU
SD806
SD807
SD808
SD809
SD810
SD811
Status latch
file name
Status latch
file name
• Stores file name (with extension) from point in time when status latch
was conducted as ASCII code.
SD806
SD807
SD808
SD809
SD810
SD811
First character
Second character
Third character
Fourth character
Fifth character
Sixth character
seventh character
Eighth character
B15
B8
to
B7
B0
to
First character of
extension
2E
H
(.)
2nd character of
extension
Third character of
extension
S (During
execution)
New
SD812
• Stores step number from point in time when status latch was
conducted.
SD813
SD812
Patterm
SD814
SD813
Block No.
SD815
SD814
Step No./transition No.
SD815
Sequence step No.(L)
SD816
Sequence step No.(H)
SD816
Status latch
step
Status latch
step
Contents of pattern data
0
0
0 0
0
1
2
3
4
15 14
SFC transition designation present (1)/absent (0)
to
to
(Bit number)
(Not in use)
SFC block designation present (1)/absent (0)
SFC block designation present (1)/absent (0)
S (During
execution)
D9055 format
change
QnA
Содержание QCPU (Q Mode)
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