ABB Relion 670 Series Technical Reference Manual page 8

Table of contents
2
Function block..............................................................................62
Input and output signals...............................................................62
Indication LEDs.................................................................................62
Introduction...................................................................................62
Design..........................................................................................63
Function block..............................................................................71
Input and output signals...............................................................71
Setting parameters.......................................................................72
Section 4 Basic IED functions.............................................................75
Authorization...........................................................................................75
Principle of operation.........................................................................75
Authorization handling in the IED.................................................77
Self supervision with internal event list...................................................78
Introduction........................................................................................78
Principle of operation.........................................................................78
Internal signals.............................................................................80
Run-time model............................................................................82
Function block...................................................................................83
Output signals....................................................................................83
Setting parameters............................................................................83
Technical data...................................................................................83
Time synchronization..............................................................................84
Introduction........................................................................................84
Principle of operation.........................................................................84
General concepts.........................................................................84
Real-time clock (RTC) operation..................................................87
Synchronization alternatives.........................................................88
Process bus IEC 61850-9-2LE synchronization...........................91
Function block...................................................................................91
Output signals....................................................................................92
Setting parameters............................................................................92
Technical data...................................................................................95
Parameter setting groups.......................................................................95
Introduction........................................................................................95
Principle of operation.........................................................................95
Function block...................................................................................96
Input and output signals....................................................................97
Setting parameters............................................................................97
ChangeLock function CHNGLCK...........................................................98
Technical reference manual