Mounting and wiring
BK3xx0
26
Version: 4.3.0
3.4.4
Power supply
Supply of Bus Coupler / Bus Terminal Controller and Bus Terminals (Us)
3.4.4.1
BKxx00, BKxx10, BKxx20 and LCxxxx
The Bus Couplers / Bus Terminal Controllers require an operating voltage of 24 V
DC
.
The connection is made by means of the upper spring-loaded terminals labelled
24 V
and
0 V
. This supply
voltage is used for the electronic components of the Bus Coupler and Bus Terminal Controllers and (via the
K-bus) the electronic components of the Bus Terminals. It is galvanically separated from the field level
voltage.
Fig. 14: Power supply connections for BKxx00, BKxx10, BKxx20 and LCxxxx
