ABB Relion 670 series - Page 8

Power transformers in the protected zone............................. 36
Line differential protection L4CPDIF............................................38
Possible configurations.......................................................... 38
Setting examples.............................................................................. 40
Line differential protection L3CPDIF, L6CPDIF, LT3CPDIF,
LT6CPDIF....................................................................................40
Line differential protection L4CPDIF............................................48
Setting example with a two-end power line ........................... 48
Configuration of binary signals......................................................... 53
Operation principle...................................................................... 53
Configuration of binary inputs and outputs.................................. 54
Configuration of binary inputs and outputs via ACT............... 55
Configuration of binary inputs and outputs via SMT...............56
Binary output signals................................................................... 59
Setting guidelines........................................................................ 63
Settings........................................................................................68
Section 5 Communication set-up................................................... 73
Communication alternatives............................................................. 73
Communication channels................................................................. 73
Fibre-optic communication interfaces with C37.94 protocol............. 75
PDH telecommunication via C37.94 interface to transceiver
21-216.............................................................................................. 79
Communication requirements......................................................79
Communication structure via C37.94 interface to
transceiver 21-216.......................................................................79
Setting up transceiver 21–216..................................................... 80
Power-up and LED statuses with transceiver 21–216................. 82
Service settings........................................................................... 83
Service settings for the line differential protection IED...........83
Service settings for transceiver 21–216................................. 84
Earthing....................................................................................... 84
Communication structure for laboratory testing...........................85
PDH/SDH telecommunication via C37.94 interface to
transceiver 21-219 ...........................................................................86
Communication requirements......................................................86
Communication structure with transceiver 21-219 port
synchronized from SDH master clock......................................... 86
Communication structure with PDH/SDH port synchronized
from transceiver 21-219...............................................................87
Setting up transceiver 21–219..................................................... 89
Power-up and LED statuses with transceiver 21–219................. 91
Service settings........................................................................... 92
Service settings for the line differential protection IED...........92
Table of contents
2 Communication set-up 670/650 series 2.2
Application Guide