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APPENDICES
A
Appendix 4 Link Special Register (SW) List
SW00B0
to
SW00B7
Data link status (each
station)
Stores the cyclic transmission status for each station.
0: Cyclic transmission normal station
1: Cyclic transmission faulty station
• If multiple stations change from faulty to normal, because they are
reconnected to the network one by one per link scan, the time until the
status changes to "0: Cyclic transmission normal station" may vary by
several seconds.
• If no response is received for several link scans, the station is
determined to be a cyclic transmission faulty station.
(Conditions)
• This is enabled when Baton pass status (own station) (SB0047) is off.
• Stations higher than the maximum station No. are ignored.
SW00C0
to
SW00C7
Reserved station setting
status
Stores the setting status of the reserved station.
0: Other than reserved station (also includes stations specified as
reserved station disable status)
1: Reserved station
(Conditions)
• This is enabled when Baton pass status (own station) (SB0047) is off.
• Holds the data immediately before the error.
• This is enabled only for normal stations in Baton pass status (each
station) (SW00A0 to SW00A7).
• Stations higher than the maximum station No. are ignored.
Number Name Description
Availability
Master
station
(safety
station)
Local
station
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97
120 119 118 117 116 115 114 113
Each number in the table represents a station No.
is fixed to 0.
SW00B1
SW00B2
SW00B3
SW00B4
SW00B5
SW00B6
SW00B7
SW00B0
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97
120 119 118 117 116 115 114 113
Each number in the table represents a station No.
is fixed to 0.
SW00C1
SW00C2
SW00C3
SW00C4
SW00C5
SW00C6
SW00C7
SW00C0