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Serial communication Chapter 9
Data communication
28 Auxiliary input 2 Yes
29 Auxiliary input 3 Yes
30 Auxiliary input 4 Yes
32 Measurand supervision I Yes
33 Measurand supervision V Yes
35 Phase sequence supervision No
36 Trip circuit supervision Yes
37 I>> backup operation Yes
38 VT fusefailure Yes
39 Teleprotection disturbed Yes
46 Teleprotection disturbed Yes
47 Group alarm Yes
48 Earth fault L1 Yes
49 Earth fault L2 Yes
50 Earth fault L3 Yes
51 Earth fault forward, e.g. Iine Yes
52 Earth fault reverse, e.g. bus bar Yes
64 Start/pickup L1 Yes
65 Start/pickup L2 Yes
66 Start/pickup L3 Yes
67 Start/pickup N Yes
68 General trip Yes
69 Trip L1 Yes
70 Trip L2 Yes
71 Trip L3 Yes
72 Trip I>> (back up operation) Yes
73 Fault location X in Ohm Yes
74 Fault forward/line Yes
75 Fault reverse/busbar Yes
76 Teleprotection signal transmitted Yes
77 Teleprotection signal received Yes
78 Zone 1 Yes
79 Zone 2 Yes
80 Zone 3 Yes
81 Zone 4 Yes
82 Zone 5 Yes
83 Zone 6 Yes
84 General start/pickup Yes
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