Appendices, 2 glossary – MGE UPS Systems 2200C User Manual

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34007532EN/AA

6. Appendices

6.2 Glossary

Authorised voltage range for

Upper and lower voltage thresholds within which the UPS can operate on the automatic

transfer to bypass if fault or

bypass in the event of a UPS fault or overload.

overload

Automatic bypass

Automatic switch controlled by the UPS, used to connect the equipment directly to the
AC-power source in the event of a UPS failure or an overload.

Automatic start following

This function automatically starts the UPS when AC input power returns following

return of AC input power

shutdown at the end of the battery backup time. It can be enabled or disabled.

Backup time

Time that the connected equipment can operate on battery power.

Bargraph

Device on the front panel indicating the percent remaining backup time or the percent
load.

Battery test

Internal UPS test on battery status.

Dialog box

A window in a computer program displayed for selection by the user of various options
and parameter settings.

Double conversion

The power supplied to the connected equipment is completely regenerated by
continuous double conversion, i.e. the AC power from the AC-power source is rectified
(AC - DC), then converted back (DC - AC) to AC power.

Equipment

Devices or systems connected to the UPS output.

Forced shutdown

Ten-second interruption in the supply of power to the connected equipment following a
system shutdown, even if AC input power returns during the interruption period.

Percent load

Ratio between the power drawn by the connected equipment and the total power that
the UPS can supply.

Personalisation

A number of UPS functions can be modified using the UPS Driver software to better
meet the user’s needs.

Programmable outlets

Outlets that can be automatically shed during operation on battery power (a shedding
time delay may be programmed using Solution-Pac software.

Remote Power Off

External dry contact can be used to stop the unit, during an emergency situation for
example. All power is removed from the load.

Start on battery power

This function makes it possible to energise the connected equipment even when AC
input power is not available (operation exclusively on battery power).

UPS

Uninterruptible Power Supply.

UPS ON / OFF via software

It is possible to enable or disable use of UPS ON / OFF controls by the computer-
system protection software.

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