3
1.2. Block diagram (fig.1).
Fig.1. Block diagram of the PSU .
1.3. Description of elements and connection links of the PSU (tab.1, tab.2, fig.2).
Table.1
No.
[fig.2]
Description
[1]
A, jumper
- configuration of UVP battery protection function
•
A=
protection function (disconnection) of the battery off
•
A=
protection function (disconnection) of the battery on
(disconnection U<10V)
B, C jumpers
- configuration of AC absence indication time lag
•
B=
, C=
time lag T= 5s
•
B=
, C=
time lag T= 140s
•
B=
, C=
time lag T= 1040s (17m 20s)
•
B=
, C=
time lag T= 2h 20m 30s
Legend:
jumper installed
jumper removed
[2]
START
pushbutton (power activation without AC supply)
[3]
P1
potentiometer, voltage adjustment
[4]
F1
fuse in the battery circuit
[5]
AC, LB, AUX
optical indication of the power-supply unit operation
[6]
AC, AUX
Connection link of the output of the additional optical indication
[7]
OUTPUTS
connector (Tab.2)
[8]
TAMPER,
contact of antisabotage protection
(NC)
[9]
F2
witch in the power supply circuit (230V/AC)
[10]
L-N
power-supply connector
230V/AC,
PE protection connector
[11]
BAT+/BAT-:
outputs, battery connBAT=red, - BAT=black
[12]
J, jumper
- the limitation of the battery charging current
J
: Ibat=200 mA max.
J
: Ibat=500 mA max.
Legend:
jumper installed
jumper removed
Tab.1. The elements of the power-supply unit.