ABB REO 517 Applications Manual page 286

276
Interlocking
For a busbar earthing switch, these conditions from the B2 busbar section are valid:
Q2(20)OPTR (bay 1/sect.B2)
. . .
. . .
. . .
Q2(20)OPTR (bay n/sect.B2)
DCOPTR (B1/B2)
VPQ2(20)TR (bay 1/sect.B2)
. . .
. . .
. . .
VPQ2(20)TR (bay n/sect.B2)
VPDCTR (B1/B2)
EXDUP_BB (bay 1/sect.B2)
. . .
. . .
. . .
EXDUP_BB (bay n/sect.B2)
EXDUP_DC (B1/B2)
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VHFWLRQ
For a busbar earthing switch on bypass busbar C, these conditions are valid:
Q7OPTR (bay 1)
. . .
. . .
. . .
Q7OPTR (bay n)
VPQ7TR (bay 1)
. . .
. . .
. . .
VPQ7TR (bay n)
EXDUP_BB (bay 1)
. . .
. . .
. . .
EXDUP_BB (bay n)
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ABCDC_OP
&
VP_ABCDC
&
EXDUP_BB
&
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ABCDC_OP
&
VP_ABCDC
&
EXDUP_BB
&
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