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AWZ637
3
1.2 Block diagram (fig.1)
Fig.1. The block diagram of the PSU.
1.3 Description of PSU components and connectors (tab.1, 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]
V
ADJ
- potentiometer,
DC
voltage adjustment
[11]
+V ,-V-
DC supply output
[12]
Battery connectors: + BAT = red, - BAT = black
[13]
LED indication on the front panel
[14]
Battery charging current selection
Ibat =1 A
Ibat =2 A
Legend:
dip switch installed
dip switch removed
Tab.1. The components of the PSU.
