ABB Relion 670 Series Technical Reference Manual page 24

Table of contents
18
Input and output signals.............................................................695
Interlocking for busbar grounding switch BB_ES (3).......................696
Introduction.................................................................................696
Function block............................................................................696
Logic diagram.............................................................................697
Input and output signals.............................................................697
Interlocking for bus-section breaker A1A2_BS (3)...........................697
Introduction.................................................................................697
Function block............................................................................698
Logic diagram.............................................................................699
Input and output signals.............................................................700
Interlocking for bus-section disconnector A1A2_DC (3)..................702
Introduction.................................................................................702
Function block............................................................................702
Logic diagram.............................................................................703
Input and output signals.............................................................704
Interlocking for bus-coupler bay ABC_BC (3)..................................704
Introduction.................................................................................705
Function block............................................................................706
Logic diagram.............................................................................707
Input and output signals.............................................................709
Interlocking for breaker-and-a-half diameter BH (3)........................712
Introduction.................................................................................712
Function blocks...........................................................................714
Logic diagrams...........................................................................716
Input and output signals.............................................................721
Interlocking for double CB bay DB (3).............................................725
Introduction.................................................................................726
Function block............................................................................727
Logic diagrams...........................................................................729
Input and output signals ............................................................732
Interlocking for line bay ABC_LINE (3)............................................736
Introduction.................................................................................736
Function block............................................................................738
Logic diagram.............................................................................739
Input and output signals.............................................................744
Interlocking for transformer bay AB_TRAFO (3)..............................747
Introduction.................................................................................747
Function block............................................................................748
Logic diagram.............................................................................749
Technical reference manual