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1.2. Block diagram.
Fig.1. Block diagram of the PSU module
1.3. Description of components and connectors (Fig.2, tab.1).
Table 1. Description of components and connectors (see Fig. 1).
Element no.
Description
[1]
AC, AUX, LB, F
BAT
LED indication for PSU module operating status
[2]
FAC - technical output for no AC network - relay type
Caution! In Fig.2. the set of contacts indicates potential-free status which corresponds to AC
power outage (AC power failure).
[3]
Technical outputs, open collector type:
FAC - AC absence technical output
normal status - L level (0V),
failure status: hi-Z level
indication time lag: approx. 10 sec.
GND – joint terminal (-)
FPS – technical output of the PSU failure – OC type
normal status - L level (0V),
failure status: hi-Z level
[4]
I
BAT
; pin – battery charging current adjustment
•
I
BAT
=
, Ibat =0,2A
•
I
BAT
=
, Ibat =0,5A
Caption:
jumper on,
jumper off
[5]
V
ADJ
potentiometer, DC voltage adjustment
[6]
F
BAT
fuse in the battery circuit
[7]
STOP button (PSU module disconnection from the battery)
[8]
START button (launching the PSU module from a battery)
[9]
Connectors:
+BAT- DC supply output (+BAT= red, -BAT = black)
+AUX- DC power output (+AUX= +U, -AUX=GND)
~AC~ – AC power input (27V-30V AC (e.g.AWT5172430, AWT049)
