ABB REO 517 Applications Manual page 266


256
Interlocking
Q1 Q2
Q51
Q0
Q52
T
TQ51
TQ0
TQ52
TQ1 TQ2
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The signals from other bays connected to the module AB_TRAFO are described below.
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If the busbar is divided by bus-section disconnectors into bus sections, the busbar-bus-
bar connection could exist via the bus-section disconnector and bus coupler within the
other bus section.
Section 1
A1
B1
C
AB_TRAFO ABC_BC
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A (BB1)
B (BB2)
Module AB_TRAFO
TQ0 and TQ52 are not used as interlocking
conditions
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
AB_TRAFO ABC_BC
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A2
B2
C
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