ABB REL650 Applications Manual page 18

Table of contents
12
Identification.................................................................................... 387
Application....................................................................................... 388
Setting guidelines............................................................................ 388
Single point generic control 8 signals SPC8GGIO............................... 388
Identification.................................................................................... 388
Application....................................................................................... 388
Setting guidelines............................................................................ 388
Automation bits AUTOBITS.................................................................. 389
Identification.................................................................................... 389
Application....................................................................................... 389
Setting guidelines............................................................................ 389
Section 12 Scheme communication.................................................... 391
Scheme communication logic with delta based blocking scheme
signal transmit ZCPSCH(85)................................................................ 391
Identification.................................................................................... 391
Application....................................................................................... 391
Blocking schemes.......................................................................392
Permissive schemes...................................................................394
Intertrip scheme..........................................................................397
Setting guidelines............................................................................ 397
Blocking scheme........................................................................ 397
Delta blocking scheme............................................................... 398
Permissive underreaching scheme............................................ 398
Permissive overreaching scheme...............................................398
Unblocking scheme.................................................................... 399
Intertrip scheme..........................................................................399
Current reversal and WEI logic for distance protection 3-phase
ZCRWPSCH (85)..................................................................................399
Identification.................................................................................... 399
Application....................................................................................... 399
Current reversal logic................................................................. 399
Weak-end infeed logic................................................................ 400
Setting guidelines............................................................................ 401
Current reversal logic................................................................. 401
Weak-end infeed logic................................................................ 402
Current reversal and WEI logic for distance protection, phase
segregated ZCWSPSCH (85)...............................................................402
Identification.................................................................................... 402
Application....................................................................................... 402
Current reversal logic................................................................. 402
Application manual