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PSBOC30012200
3
1.2. Block diagram. (fig.1).
Fig.1. Block diagram of the PSU.
1.3. Description of PSU components and connectors.
Table 1. Elements of the PSU (see fig. 2).
Element no.
Description
[1]
LED indicating presence of AC power
[2]
LED indicating presence of DC power
[3]
LED indicating correct battery voltage
[4]
EPS -
AC absence technical output
– relay type
[5]
PSU -
output indicating DC absence/PSU failure
– relay type
[6]
LoB -
output indicating battery low voltage
– relay type
[7]
EPS -
AC absence technical output
– OC type
[8]
PSU -
output indicating DC absence/PSU failure - OC type
[9]
LoB -
output indicating battery low voltage - OC type
[10]
Connectors PSU:
V+, V-
DC power output
B+, B-
terminals for battery connection
L-N
power supply connector 230V AC,
Protection connector PE
[11]
V
ADJ
- potentiometer,
DC
voltage adjustment
[12]
Battery charging current selection:
Legend:
dip switch installed
dip switch removed
[13]
Battery connectors: red:+, black:-
[14]
LED indication on the front panel
Fig. 2. The view of the PSU.
Fig.2. Block diagram of the PSU.
