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PSBS1512A
3
1.2 Block diagram (fig.1)
Fig.1. The block diagram of the power-supply.
1.3. Description of elements and connection links of the PSU.
Table 1. Parts of the power supply board - pcb (refer to chart 2).
Part no.
Description
[1]
P
BAT
; pins
- configuration of UVP battery protection function
P
BAT
=
protection (disconnection) of the battery off
P
BAT
=
protection (disconnection) of the battery on
T
AC
; pins J1, J2
- configuration of time lag of AC failure indication
J1=
, J2=
time lag T= 5s
J1=
, J2=
time lag T= 140s
J1=
, J2=
time lag T= 1040s (17m 20s)
J1=
, J2=
time lag T= 2h 20m 30s
Legend:
jumper installed
jumper removed
[2]
START
button (launching from battery)
[3]
V
ADJ
potentiometer, DC voltage adjustment
[4]
F
BAT
fuse in the battery circuit
[5]
Connectors:
+BAT-
DC supply output of the battery
(+BAT= red, -BAT=black)
+AUX-
DC supply output
(+AUX= +U, -AUX=GND)
FAC
- AC absence technical output – relay assisted
Caution! In Fig.2. the set of contacts indicates potential-free status which corresponds to
AC power failure.
[6]
LED indication:
AC
- LED for AC voltage
LB
- LED for battery charging
AUX
- LED for DC voltage
[7]
Connector to the external LED indicators: AC and AUX.
