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PSDCSEP04124
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 pcb (see fig. 2).
Element no.
Description
[1]
IN1
….. IN4
Input of the DC supply
[2]
F1…F4
fuses in circuits AUX (+)
[3]
L1 ÷ L4
green LEDs
[4]
AUX1 ÷ AUX4
independently protected outputs
(galvanically isolated)
Fig.2.
The view of the PSU’s pcb.
Table 2. Elements of the PSU (see fig. 3).
Element no.
Description
[1]
L-N
230 V AC power connectors,
PE
protection connector
[2]
F
MAIN
fuse in the power supply circuit 230V AC, T3,15A / 250V
[3]
PSU module
[4]
P1, potentiometer,
output voltage adjustment within the range of
12V÷15V DC
[5]
LED indication
of DC power status, main module of the PSU
[6]
LB4/SEP fuse strip,
with power outputs and LED indication
