ABB Relion 670 Series Technical Reference Manual page 742

Section 12
Control
12.4.10
12.4.10.1
736
Table 374: DB_BUS_B (3) Output signals
Name Type
QA2CLREL BOOLEAN
QA2CLITL BOOLEAN
QB62REL BOOLEAN
QB62ITL BOOLEAN
QB2REL BOOLEAN
QB2ITL BOOLEAN
QC4REL BOOLEAN
QC4ITL BOOLEAN
QC5REL BOOLEAN
QC5ITL BOOLEAN
QB2OPTR BOOLEAN
QB2CLTR BOOLEAN
VPQB2TR BOOLEAN
Interlocking for line bay ABC_LINE (3)
Introduction
The interlocking for line bay (ABC_LINE, 3) function is used for a line connected to a
double busbar arrangement with a transfer busbar according to figure 373. The
function can also be used for a double busbar arrangement without transfer busbar or a
single busbar arrangement with/without transfer busbar.
Description
Closing of 252 is allowed
Closing of 252 is not allowed
Switching of 6289 is allowed
Switching of 6289 is not allowed
Switching of 289 is allowed
Switching of 289 is not allowed
Switching of 489G is allowed
Switching of 489G is not allowed
Switching of 589G is allowed
Switching of 589G is not allowed
289 is in open position
289 is in closed position
Switch status of 289 is valid (open or closed)
Technical reference manual
1MRK505222-UUS C