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2 PS500B/PS800B
1. INTRODUCTION
1.1 Overview
These models are advanced line-interactive true sinewave uninterruptible
power systems (UPS) designed to prevent spikes, surges, sags, transients and
blackouts from reaching your sensitive equipment. Your equipment may
include such items as computers and computerized instruments to
telecommunication systems. When AC power is present, the UPS filters and
conditions the power continuously. When AC power fails, the unit employs its
internal maintenance-free battery to supply back-up power without interruption.
AC SOURC E
EMI/ RFI
NOISE FILTER
SMART LINE
CONDITIONER
BATTERY
CHARGER
DC/AC INVERTER
VOLTAGE TRANSFORMER
TRA NS F E R
SWITCH
DC
AC
TO LOAD
MICROPROCESSOR
Power Series Featur es
(i.e., your
equipment)
1.2 Sinewave Output
The output voltage is true sinewave, the same waveform that your equipment
gets from the wall outlet. This provides guaranteed compatibility with all types
of loads and even the most sensitive equipment.
1.3 Smart Buck and Boost Line Conditioning
The voltage from your AC power source can fluctuate above and below the
standard rating. This microprocessor controlled UPS provide line conditioning
via both buck (step-down voltage) and boost (step-up voltage) functions. For
example, if your normal voltage is 120V and the voltage fluctuates up to 135V,
the buck function in your UPS will step it down so that your equipment receives
approximately 120V. If the voltage fluctuates down to 105V, the boost function
will step it up so that your equipment receives approximately 120V. This
provides your equipment with excellent voltage regulation with less possibility
for the UPS to drain its internal battery.