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3.2.- Synoptic with LCD display.
As it is possible to be observed in the following figure, the equipment has a standart LCD display, where are reflected the
input tension and frequency, output voltage and frequency and the fault indicators, load level, battery capacity, line and
battery modes.
3.3.- Nomenclature.
SPS.400.SOHO 220V "EE61837-37"
3.4.- Structural diagram.
N
Input AC
F
Charger
3.5.- Operating principle.
The SPS is an off-line, interactive Uninterrupted Power Supply System (electronic Boost-up / Back-down stabiliser),controlled
by microprocessor. With the unit running, it works as follows:
• With the mains present at between 75 % and 125 % the SPS supplies output voltage through the stabiliser, as wellas
charging the batteries.
Special equipment "EE".
Input/Output voltage different to 230V.
SPS series.
Power in VA.
Input
Electronic stabilizer
filter
(Boost-up / Back down)
Batteries
Fig. 1. SPS SOHO series block diagram.
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Bypass
N
Output AC
F
Inverter
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