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PSBOC751250
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 (see 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]
FAC-
AC absence technical output – relay type
[5]
FPS-
output indicating DC absence/PSU failure – relay type
[6]
FLB-
output indicating battery low voltage – relay type
[7]
FAC-
AC absence technical output – OC type
[8]
FPS-
output indicating DC absence/PSU failure - OC type
[9]
FLB-
output indicating battery low voltage - OC type
[10]
+V ,-V-
DC supply output
[11]
L-N
230V/AC power connector,
PE protection connector
[12]
LED indication
on the front panel
[13]
Battery connectors: +BAT =red, - BAT = black
[14]
V
ADJ
- potentiometer,
DC
voltage adjustment
Fig. 2. The view of the PSU.
