Functionality; Function Block; Logic Diagram; Signals - ABB REC650 Technical Manual

Section 10
Control
10.4.3.2
10.4.3.3
10.4.3.4
10.4.3.5
266

Functionality

The interlocking for busbar earthing switch (BB_ES) function is used for one busbar
earthing switch on any busbar parts according to figure 131.
QC
en04000504.vsd
IEC04000504 V1 EN
Figure 131: Switchyard layout BB_ES

Function block

BB_ES
QC_OP QCREL
QC_CL QCITL
BB_DC_OP BBESOPTR
VP_BB_DC BBESCLTR
EXDU_BB
IEC09000071_1_en.vsd
IEC09000071 V1 EN
Figure 132: BB_ES function block

Logic diagram

VP_BB_DC
BB_DC_OP
&
1
EXDU_BB
QC_OP
QC_CL
IEC04000546 V1 EN

Signals

Table 201: BB_ES Input signals
Name Type
QC_OP BOOLEAN
QC_CL BOOLEAN
BB_DC_OP BOOLEAN
VP_BB_DC BOOLEAN
EXDU_BB BOOLEAN
BB_ES
QCREL
QCITL
BBESOPTR
BBESCLTR
en04000546.vsd
Default Description
0 Busbar earthing switch QC is in open position
0 Busbar earthing switch QC is in closed position
0 All disconnectors on this busbar part are open
0 Status for all disconnectors on this busbar part are
valid
0 No transmission error from any bay containing all
disconnectors on this busbar part
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