ABB Relion 670 Series Technical Reference Manual page 708

Section 12
Control
12.4.6
12.4.6.1
12.4.6.2
702
Name Type
VPS1S2TR BOOLEAN
VPQB1TR BOOLEAN
VPQB2TR BOOLEAN
Interlocking for bus-section disconnector A1A2_DC (3)
Introduction
The interlocking for bus-section disconnector (A1A2_DC, 3) function is used for one
bus-section disconnector between section 1 and 2 according to figure 361. A1A2_DC (3)
function can be used for different busbars, which includes a bus-section disconnector.
WA1 (A1)
189G
ANSI04000492 V1 EN
Figure 361: Switchyard layout A1A2_DC (3)
Function block
A1A2_DC (3)
089_OP 089OPREL
089_CL 089OPITL
S189G_OP 089CLREL
S189G_CL 089CLITL
S289G_OP DCOPTR
S289G_CL DCCLTR
S1DC_OP VPDCTR
S2DC_OP
VPS1_DC
VPS2_DC
EXDU_89G
EXDU_BB
089C_EX1
089C_EX2
089O_EX1
089O_EX2
089O_EX3
ANSI05000349-2-en.vsd
ANSI05000349 V2 EN
Figure 362: A1A2_DC (3) function block
Description
Status of the apparatuses between bus section 1 and
2 are valid
Switch status of 189 is valid (open or closed)
Switch status of 289 is valid (open or closed)
WA2 (A2)
52
A1A2_DC
en04000492_ansi.vsd
1MRK505222-UUS C
289G
Technical reference manual