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PSBOC1001270
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]
FAC- AC absence technical output – relay type
[5]
FAC- AC absence technical output – OC type
[6]
FPS- output indicating DC absence/PSU failure - OC type
[7]
FLB- output indicating battery low voltage - OC type
[8]
V
ADJ
- potentiometer, DC voltage adjustment
[9]
+V ,-V- DC supply output
[10]
L-N 230V/AC power connector,
PE protection connector
[11]
Connector of extra LED indication
[12]
Battery connectors: +BAT =red, - BAT = black
[13]
Battery charging current selection
•
I
BAT
= Ibat =1A
•
I
BAT
= Ibat =2A
Legend:
dip switch installed
dip switch removed
