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1.3. Description of components and connectors PSU module.
Table 1. Elements of the PSU module pcb (fig. 2).
Element no.
Description
[1]
V
ADJ
potentiometer, DC adjustment
[2]
F
BAT
fuse in the battery circuit
[3]
Connectors:
+BAT-
DC supply output of the battery
+AUX-
DC supply output (+AUX= +U, -AUX=GND)
[4]
LEDs
– optical indication:
AC
- AC voltage
LB
- battery charge
AUX
- output voltage DC
[5]
Connector to the external LED indicators.
[6]
I
BAT
jumper
– battery charging current selection
I
BAT
=
Ibat =0,2A
I
BAT
=
Ibat =0,5A
Legend:
jumper installed,
jumper removed
Fig.2. View of the PSU module.