Siemens SIPROTEC 7SD80 - Page 82

Functions
2.4 Backup Overcurrent
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
82
Pickup Logic and Tripping Logic
The pickup signals of the individual phases (or ground) and of the individual elements are interlinked in such a
way that both the phase information and the element which has picked up are indicated (Table 2-1).
Table 2-1 Pickup signals of the single phases
The trip is signaled specifically for each element, e.g. „50(N)-B2 TRIP“.
Internal indication Display Output indication No.
50-2 PU A
50-1 PU A
50-3 PU A
51 PU A
2-26
2-27
2-28
„5X-B Pickup ØA“ 7162
50-2 PU B
50-1 PU B
50-3 PU B
51 PU B
2-26
2-27
2-28
„5X-B Pickup ØB“ 7163
50-2 PU C
50-1 PU C
50-3 PU C
51 PU C
2-26
2-27
2-28
„5X-B Pickup ØC“ 7164
50-2 PU N
50-1 PU N
50-3 PU N
51 PU N
2-26
2-27
2-28
„5X-B Pickup Gnd“ 7165
50-1 PU A
50-1 PU B
50-1 PU C
50-1 PU N
2-26
2-26
2-26
2-26
„50(N)-B2 PICKUP“ 7192
50-2 PU A
50-2 PU B
50-2 PU C
50-2 PU N
2-26
2-26
2-26
2-26
„50(N)-B1 PICKUP“ 7191
50-3 PU A
50-3 PU B
50-3 PU C
50-3 PU N
2-27
2-27
2-27
2-27
„50-STUB PICKUP“ 7201
51 PU A
51 PU B
51
PU C
51 PU N
2-28
2-28
2-28
2-28
„51(N)-B PICKUP“ 7193
(All pickups) „5X-B PICKUP“ 7161