VPQA1
VPQC4
VPQC3
VPS2QC2
QC3_OP
QA1_OP
QC4_OP
EXDU_ES
VPS2QC2
S2QC2_OP
QB2_EX1
VPQC4
S2QC2_CL
QC4_CL
QB1_OP
QB2_OP
QB1_OP
QA1_OP
QB2_CL
VPQB2
QB2_OP
VPQB1
QB1_CL
QB1_OP
VPQB2
VPQB1
VPQA1
1
QB2ITL
QB2REL
en04000543.vsd
EXDU_ES
QB2_EX2
VPQB1
VPQB2
1
QC3REL
QC3ITL
QB2_OP
>1
1
S1S2CLTR
QB2OPTR
&
&
1
QC4REL
QC4ITL
QB1OPTR
QB1CLTR
VPQB1TR
QB2CLTR
VPQB2TR
&
>1
&
S1S2OPTR
VPS1S2TR
IEC04000543 V1 EN
10.4.4.5 Signals
Table 203: A1A2_BS Input signals
Name
Type Default Description
QA1_OP BOOLEAN 0 QA1 is in open position
QA1_CL BOOLEAN 0 QA1 is in closed position
QB1_OP BOOLEAN 0 QB1 is in open position
QB1_CL BOOLEAN 0 QB1 is in closed position
QB2_OP BOOLEAN 0 QB2 is in open position
QB2_CL BOOLEAN 0 QB2 is in closed position
QC3_OP BOOLEAN 0 QC3 is in open position
QC3_CL BOOLEAN 0 QC3 is in closed position
QC4_OP BOOLEAN 0 QC4 is in open position
QC4_CL BOOLEAN 0 QC4 is in closed position
S1QC1_OP BOOLEAN 0 QC1 on bus section 1 is in open position
S1QC1_CL BOOLEAN 0 QC1 on bus section 1 is in closed position
S2QC2_OP BOOLEAN 0 QC2 on bus section 2 is in open position
S2QC2_CL BOOLEAN 0 QC2 on bus section 2 is in closed position
BBTR_OP BOOLEAN 0 No busbar transfer is in progress
VP_BBTR BOOLEAN 0 Status are valid for apparatuses involved in the
busbar transfer
Table continues on next page
1MRK 511 287-UEN A Section 10
Control
269
Technical manual