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8 PROGRAMMING
MELSEC-QnA
Table 8.2 Link special register list (continued)
Availability
(
: available,
: not available )
Online
Number Name Description
Master
station
Local
station
Offline
Stores the data link status of each station.
0: Normal
1: Data link error occurred
SW0080
(680
H)
SW0081
(681
H)
SW0082
(682
H)
SW0083
(683
H)
Other station data link
status
3 6
1
SW0080
b0
1 to 64 in the table indicates station numbers.
2
b1
3
b2
4
b3
to
to
13
b12
14
b13
15
b14
16
b15
17
SW0081
18
1920
to
2930
3132
33
SW0082
3435
36to
45
4647
48
49SW0083
5051
52to61626364
Stores the other station watchdog timer error occurrence status.
0: Normal
1: Watchdog timer error occurrence
SW0084
(684
H)
SW0085
(685
H)
SW0086
(686
H)
SW0087
(687
H)
Other station watchdog
timer error occurrence
status
1
1
SW0084
b0
1 to 64 in the table indicates station numbers.
2
b1
3
b2
4
b3
to
to
13
b12
14
b13
15
b14
16
b15
17
SW0085
18
1920
to
2930
3132
33
SW0086
3435
36to
45
4647
48
49SW0087
5051
52to61626364
Stores the fuse blown status of each station.
0: Normal
1: Fuse blown
SW0088
(688
H)
SW0089
(689
H)
SW008A
(68A
H)
SW008B
(68B
H)
Other station fuse blown
status
3
1
SW0088
b0
1 to 64 in the table indicates station numbers.
2
b1
3
b2
4
b3
to
to
13
b12
14
b13
15
b14
16
b15
17
SW0089
18
1920
to
2930
3132
33
SW008
A
3435
36to
45
4647
48
49SW008B
5051
52to61626364
Stores the switch change status of other station during data link.
0: Not change
1: Change
SW008C
(68CH)
SW008D
(68D
H)
SW008E
(68E
H)
SW008F
(687FH)
Other station switch
change status
1
1
SW008C
b0
1 to 64 in the table indicates station numbers.
2
b1
3
b2
4
b3
to
to
13
b12
14
b13
15
b14
16
b15
17
SW008D
18
1920
to
2930
3132
33
SW008E
3435
36to
45
4647
48
49SW008F
5051
52to61626364
SW0090
(690
H)
Host station line status
Stores the host station line status.
0: Normal
1: Data link not possible (wire breakage)
: Link special register added to the function version B or later
1 : Turns on only the bit for the head station number.
3 : Turns on the bit for the number of occupied stations.
6 : A value stored in a CC-Link Ver.2.00-compatible slave station differs depending on the hardware version of the A1SJ61QBT11.
Hardware version M or earlier: “1: Data link error occurred”
Hardware version N or later: “0: Normal”
The A1SJ61QBT11, however, cannot perform cyclic transmission and transient transmission with CC-Link Ver.2.00-compatible slave
stations regardless of the hardware version.