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Interlocking
6LJQDO
VPQ2TR
The switch status of Q2 is valid.
VPQ20TR
The switch status of Q2 and Q20 are valid.
VPQ7TR
The switch status of Q7 is valid.
EXDUP_BB
Signal if there is no transmission error from the bay that contains the above
information.This signal is taken from the data valid output on the command
function block.
These signals from each bus-section disconnector bay (A1A2_DC) are also needed. For
B1B2_DC, corresponding signals from busbar B are used. The same type of module
(A1A2_DC) is used for different busbars, that is, for both bus-section disconnectors
A1A2_DC and B1B2_DC.
6LJQDO
DCOPTR
Signal if the bus-section disconnector is open.
VPDCTR
The switch status of A1A2_DC is valid.
EXDUP_DC
Signal if there is no transmission error from the bay that contains the above
information. This signal is taken from the data valid output on the command
function block.
If no bus-section disconnector exists the signal DCOPTR, VPDCTR and EXDUP_DC
are set to 1 (FIXD-ON).
If the busbar is divided by bus-section circuit breakers, the signals from the bus-section
coupler bay (A1A2_BS) rather than the bus-section disconnector bay (A1A2_DC) must
be used. For B1B2_BS, corresponding signals from busbar B are used. The same type
of module (A1A2_BS) is used for different busbars, that is, for both bus-section circuit
breakers A1A2_BS and B1B2_BS.
6LJQDO
Q11OPTR
Signal if Q11 is open.
Q12OPTR
Signal if Q12 is open.
&KDSWHU
&RQWURO
273
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