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Address
Name
Total number of
670
H
stations
Maximum station
number among the
671
station numbers of
H
communicating
stations
Number of
672
connected
H
modules
67C
H
67D
Temporary error
H
67E
invalid status
H
67F
H
680
H
681
Other stations data
H
682
link status
H
683
H
684
Watchdog timer
H
685
error occurrence
H
686
status (another
H
station)
687
H
The last station number set using the parameter is stored.
1 to 64 (stations)
The maximum station number during data link (station number set using the station number switches) is
stored.
1 to 64 (stations)
Reserved stations are excepted.
The number of modules performing data link is stored.
Reserved stations are excepted.
Whether a station is in the temporary error invalid status is stored.
0: Normal
1: Temporary error invalid status
b15
67C
16
H
67D
32
H
67E
48
H
67F
64
H
The numbers 1 to 64 in the table are station numbers.
• The bits for the station number of the start station and the number of occupied stations are turned on.
• Error invalid stations, reserved stations, station with the last station number, and stations later than
that are excepted.
The data link status of each station is stored.
0: Normal
1: Data link error
b15
680
16
H
681
32
H
682
48
H
683
64
H
The numbers 1 to 64 in the table are station numbers.
• The bits for the station number of the start station and the number of occupied stations are turned on.
• It takes a maximum of six seconds for this register to turn on after a CC-Link remote station connected
to the bridge module becomes faulty. The time until this register turns on differs depending on the
system configuration and error status.
• Temporary error invalid stations, error invalid stations, reserved stations, station with the last station
number, and stations later than that are excepted.
Whether a watchdog timer error has occurred is stored.
0: No watchdog timer error
1: Watchdog timer error
b15
684
16
H
685
32
H
686
48
H
687
64
H
The numbers 1 to 64 in the table are station numbers.
• The bits for the station number of the start station and the number of occupied stations are turned on.
• Reserved stations, station with the last station number, and stations later than that are excepted.
Description
b14
b13
b12
to
b3
15
14
13
to
4
31
30
29
to
20
47
46
45
to
36
63
62
61
to
52
b14
b13
b12
to
b3
15
14
13
to
4
31
30
29
to
20
47
46
45
to
36
63
62
61
to
52
b14
b13
b12
to
b3
15
14
13
to
4
31
30
29
to
20
47
46
45
to
36
63
62
61
to
52
APPENDICES
b2
b1
b0
3
2
1
19
18
17
35
34
33
51
50
49
b2
b1
b0
3
2
1
19
18
17
35
34
33
51
50
49
b2
b1
b0
3
2
1
19
18
17
35
34
33
51
50
49
119
A
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Troubleshooting
