Block Diagram; Description Of Components And Power Supply Terminals - Pulsar Red Power Plus EN54C Series User Manual

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3.2. Block diagram.

The power supplies has been manufactured based on a high-efficiency system of AC/DC
converter. Applied microprocessor circuit is responsible for the full diagnostics of the PSU parameters and
batteries. The figure below shows a flowchart of the power supply, along with selected functional blocks which
are essential for the proper functioning of the unit.

3.3. Description of components and power supply terminals.

Table 1. Elements of the PSU (Fig. 2).
Compone
nt No.
L-N-PE 230 V power connector with protective terminal
Terminals:
TEMP
TAMPER – input of the microswitch tamper
ALARM
EPS
EXTi
+BAT-
+AUX1- – AUX1 power output ( - AUX=GND)
+AUX2- – AUX2 power output ( - AUX=GND)
CAUTION! In Fig.2 the set of contacts shows a potential-free status of the relay, which corresponds to power
supply failure.
Fuses:
F
BAT
F
AUX1
F
AUX2
The fuse values are given in table 4 - "Electrical parameters".
EN54C
Fig. 1. PSU block diagram.
– input of the battery temperature sensor
Closed input
Open input
– technical output of collective failure of the PSU - relay type
– technical output of AC power failure indication
open
closed
– external failure input
Closed input
Open input
– terminals for connecting the battery
– fuse in the battery circuit,
– fuse in the AUX1 output circuit,
– fuse in the AUX2 output circuit,
Description
= no indication
= alarm
= AC power failure
= AC power - O.K.
= no indication
= alarm
7
RED POWER plus