ABB RELION 670 Series Technical Manual page 24

Table of contents
14.1.5 Settings..............................................................................................................................................750
14.1.6 Monitored data.................................................................................................................................753
14.1.7 Operation principle..........................................................................................................................753
14.1.7.1 Basic functionality........................................................................................................................ 753
14.1.7.2 Logic diagrams..............................................................................................................................753
14.1.8 Technical data...................................................................................................................................764
14.2 Interlocking (3)...................................................................................................................................... 765
14.2.1 Functionality..................................................................................................................................... 765
14.2.2 Operation principle..........................................................................................................................765
14.2.3 Logical node for interlocking SCILO (3).......................................................................................767
14.2.3.1 Identification................................................................................................................................. 767
14.2.3.2 Functionality..................................................................................................................................768
14.2.3.3 Function block...............................................................................................................................768
14.2.3.4 Signals.............................................................................................................................................768
14.2.3.5 Logic diagram............................................................................................................................... 768
14.2.4 Interlocking for busbar grounding switch BB_ES (3)............................................................... 769
14.2.4.1 Identification................................................................................................................................. 769
14.2.4.2 Functionality..................................................................................................................................769
14.2.4.3 Function block............................................................................................................................... 770
14.2.4.4 Logic diagram................................................................................................................................770
14.2.4.5 Signals.............................................................................................................................................770
14.2.5 Interlocking for bus-section breaker A1A2_BS (3)..................................................................... 770
14.2.5.1 Identification..................................................................................................................................771
14.2.5.2 Functionality...................................................................................................................................771
14.2.5.3 Function block............................................................................................................................... 772
14.2.5.4 Logic diagram................................................................................................................................ 773
14.2.5.5 Signals.............................................................................................................................................774
14.2.6 Interlocking for bus-section disconnector A1A2_DC (3)...........................................................775
14.2.6.1 Identification................................................................................................................................. 776
14.2.6.2 Functionality.................................................................................................................................. 776
14.2.6.3 Function block............................................................................................................................... 776
14.2.6.4 Logic diagram................................................................................................................................ 777
14.2.6.5 Signals............................................................................................................................................. 777
14.2.7 Interlocking for bus-coupler bay ABC_BC (3)............................................................................. 778
14.2.7.1 Identification................................................................................................................................. 778
14.2.7.2 Functionality.................................................................................................................................. 779
14.2.7.3 Function block...............................................................................................................................780
14.2.7.4 Logic diagram................................................................................................................................ 781
14.2.7.5 Signals.............................................................................................................................................783
14.2.8 Interlocking for breaker-and-a-half diameter BH (3)................................................................ 785
14.2.8.1 Identification................................................................................................................................. 786
14.2.8.2 Functionality..................................................................................................................................786
14.2.8.3 Function blocks............................................................................................................................. 787
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Technical manual