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EN54-2A17
RED POWER
8
4.3. Description of components and power supply terminals.
Table 1. Components of the Power supply PCB
(Printed Circuit Board)( Fig. 2).
Component
No.
Description
[1]
PANEL
– optical indication connector
[2]
BUZZER
– acoustic indication
(see section 6.3.4)
[3]
V
EXT
jumper
– polarization of the EXTi circuit
(see section 6.5)
[4]
F
BAT
– fuse in the battery circuit,
F5A / 250V
[5]
F
AUX1
– fuse in the AUX1 output circuit,
F3,15A / 250V
[6]
F
AUX2
– fuse in the AUX2 output circuit,
F3,15A / 250V
[7]
SERIAL
– communication port
[8]
Z2 jumper
- temporary lock of the battery test
(see section 7.5)
[9]
OVP
– overvoltage protection optical indication
(see section 6.8)
[10]
LEDs
– optical indication:
AC
– AC
power
AUX1
– AUX1 output voltage
AUX2
– AUX2 output voltage
OVL
– PSU overload
APS
–
battery failure
PSU
– PSU failure
ALARM
– collective failure
EXTi
– EXTi input status
EXTo
– EXTo relay output status
LB
– battery charging
[11]
Terminals:
~AC~
– AC power input
EPS FLT
– technical output of AC power failure indication
open
= AC power failure
closed = AC power - O.K.
PSU FLT
– technical output of PSU failure indication
open
= failure
closed = PSU operation - O.K.
APS FLT
– technical output of battery failure
open
= battery failure
closed = battery status - O.K.
ALARM
– technical output of collective failure
open
= failure
closed = O.K.
EXTo
– controlled relay output
EXTi
– input of collective failure
+BAT-
–
terminals for connecting the battery
+AUX1-
– AUX1 power output
(+AUX1= +U, -AUX=GND)
+AUX2-
– AUX2 power output
(+AUX2= +U, -AUX=GND)
[12]
TAMPER
– antisabotage protection microswitch connector
(see section 6.6)
[13]
Connector
– for connecting the EMC filter
Fig. 2. The view of the PSU
’s PCB.
