ABB REL650 series Technical Manual page 24

Table of contents
18
Function commands generic for IEC 60870-5-103 I103GENCMD....... 492
Functionality.................................................................................... 492
Function block................................................................................. 492
Signals.............................................................................................493
Settings............................................................................................493
IED commands with position and select for IEC 60870-5-103
I103POSCMD....................................................................................... 493
Functionality.................................................................................... 493
Function block................................................................................. 494
Signals.............................................................................................494
Settings............................................................................................494
Section 12 Scheme communication.................................................... 495
Scheme communication logic with delta based blocking scheme
signal transmit ZCPSCH (85)............................................................... 495
Identification.................................................................................... 495
Functionality.................................................................................... 495
Function block................................................................................. 495
Signals.............................................................................................496
Settings............................................................................................497
Operation principle.......................................................................... 497
Blocking scheme........................................................................ 498
Delta blocking scheme............................................................... 498
Permissive underreaching scheme............................................ 499
Permissive overreaching scheme...............................................500
Unblocking scheme.................................................................... 500
Intertrip scheme..........................................................................501
Technical data................................................................................. 502
Current reversal and WEI logic for distance protection 3-phase
ZCRWPSCH (85)..................................................................................502
Identification.................................................................................... 502
Functionality.................................................................................... 502
Function block................................................................................. 503
Signals.............................................................................................503
Settings............................................................................................504
Operation principle.......................................................................... 505
Current reversal logic................................................................. 505
Weak-end infeed logic................................................................ 505
Technical data................................................................................. 507
Current reversal and WEI logic for distance protection phase
segregated ZCWSPSCH (85)...............................................................508
Technical manual