beautypg.com

Appendices, 2 glossary – MGE UPS Systems S 1750 RT 2U User Manual

Page 21

background image

34008236EN/AA

- Page 21

6. Appendices

6.2 Glossary

Backup time

Time during which the load can be supplied by the UPS operating on battery power.

Battery test

Internal UPS test to check battery status.

Booster mode

Automatic UPS mode that steps up the AC voltage if it is too low, to a level above the
personalised set-point, without discharging the battery.

Bypass AC input

Bypass line from the AC-power source, controlled by the UPS, used to directly supply the load if
an overload or a malfunction occurs on the UPS.

Cold start

The devices connected to the UPS can be started even if AC input power is not available. The
UPS operates on battery power alone.

Deep discharge

Battery discharge beyond the permissible limit, resulting in irreversible damage to the battery.

Fader mode

Automatic UPS mode that steps down the AC voltage if it is too high, to a level below the
personalised set-point, without discharging the battery.

FlexPDU

Module with UPS outlets for installation in a bay. There are different modules with different types
of outlets.

HotSwap MBP

UPS manual-bypass module for maintenance. There are different modules with different types of
outlets.

Load

Devices or equipment connected to the UPS output.

Low-battery warning

This is a battery-voltage level indicating that battery power is low and that the user must take
action in light of the imminent break in the supply of power to the load.

Normal AC input

The AC-power line supplying the UPS under normal conditions.

Percent load

Ratio of the power effectively drawn by the load to the maximum output of the UPS.

Personalisation

It is possible to modify certain UPS parameters set in the factory. Certain UPS functions can also
be modified by the Personal Solution-Pac software to better suit user needs.

Programmable
outlets

Controllable outlets for automatic load shedding, remote shutdown and sequential restart
(personalised using Personal Solution-Pac software.

UPS

Uninterruptible Power System.

UPS ON/OFF
controlled by
software

This function enables or disables initiation of UPS ON/OFF control sequences by computer
power-management software.