86-87050-00 A02 - Page 39
8. Appendices
8.2 Glossary
Backup time Time that the connected equipment can operate on battery power.
Bypass AC source Source supplying the bypass line. The equipment can be transferred to the bypass
line if an overload occurs on the UPS output, for maintenance or in the event of a
malfunction.
ECO mode Operating mode by which the equipment is supplied directly by the AC source if it
is within the tolerances defined by the user. This mode reduces the consumption of
electrical power.
Equipment Devices or systems connected to the UPS output.
Normal (double The normal UPS operating mode in which the AC source supplies the UPS which in turn
conversion) mode supplies the connected equipment (after electronic double conversion).
Frequency converter Operating mode used to convert the AC-power frequency between the UPS input and
output (50 Hz -> 60 Hz or 60 Hz -> 50 Hz).
Normal AC source Normal source of power for the UPS.
Low-battery warning This is a battery-voltage level indicating that battery power is low and that the user must
take action to prevent the imminent break in the supply of power to the load.
Relay contacts Contacts supplying information to the user in form of signals.
Personalization It is possible to modify certain UPS parameters set at the factory. Certain UPS functions
canalso be modified by the EATON power management products to better suit user
needs.
UPS Uninterruptible Power System.
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