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12
TROUBLESHOOTING
Number
Name
Safety station
interlock
SD1272
status (CC-
to
Link
SD1275
Safety master
module 2)
Safety station
interlock
SD1276
cancel request
to
(CC-Link
SD1279
Safety master
module 2)
12
12.7 Special Register List
- 99
Table12.26 Special register
Meaning
Bit corresponding to the station number turns 1 when the master
station goes to the interlock status after the error was detected
at the master station.
0: Interlock is
not executed
SD1272
1: During
SD1273
interlock
SD1274
SD1275
Cancel the I/O interlock of safety station by changing the bit of
0: I/O interlock
register from 0 to 1.
of safety
station on CC-
b15
Link Safety
not released
SD1276
1: I/O interlock
SD1277
of safety
station on CC-
SD1278
Link Safety
SD1279
released
Explanation
b15
b14
to
16
15
to
32
31
to
48
47
to
64
63
to
1 to 64 in the table indicate station numbers.
b14
to
16
15
to
32
31
to
48
47
to
64
63
to
1 to 64 in the table indicate station numbers.
Set by
(When set)
b1
b0
S (Status
2
1
change)
18
17
34
33
50
49
b1
b0
2
1
U (Request)
18
17
34
33
50
49
Corresponding
CPU
QS
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