ABB RELION 620 Series Technical Manual page 830

Section 11
Other functions
11.11.4
11.11.5
824
The calculated components V
to-ground, depending on the wye/delta mode, are switch-controlled too.
Signals
Table 609: VSWI Input signals
Name Type
BUS_SW BOOLEAN
Table 610: VSWI Output signals
Name Type
SOURCE_BUS1 BOOLEAN
SOURCE_BUS2 BOOLEAN
Monitored data
Table 611: VSWI Monitored data
Name Type
BUS_SW_POS Enum
, V and V and the calculated phase-to-phase and phase-
1 2 0
Default Description
0=False Bus voltage selection
Description
Selected voltage source is bus 1
Selected voltage source is bus 2
Values (Range) Unit
1=Bus 1
2=Bus 2
1MAC504801-IB E
Description
Bus switch position
620 series ANSI
Technical Manual