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264
Interlocking
6LJQDO
A1DC_OP
Signal if all disconnectors on busbar A1 are open.
A2DC_OP
Signal if all disconnectors on busbar A2 are open.
VPA1_DC
The switch status of A1_DC is valid.
VPA2_DC
The switch status of A2_DC is valid.
EXDUP_BB
Signal if there is no transmission error from any bay that contains the
above information.
These signals from each line bay (ABC_LINE), each transformer bay (AB_TRAFO),
and each bus-coupler bay (ABC_BC) are needed:
6LJQDO
Q1OPTR
Signal if Q1 is open.
Q2OPTR
Signal if Q2 (AB_TRAFO, ABC_LINE) is open.
Q20OPTR
Signal if Q20 (ABC_BC) is open.
VPQ1TR
The switch status of Q1 is valid.
VPQ2TR
The switch status of Q2 is valid.
VPQ20TR
The switch status of Q2 and Q20 are 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.
If there is an additional bus-section disconnector, the signal from the bus-section dis-
connector bay (A1A2_DC) must be used:
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.
&KDSWHU
&RQWURO
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