Static Uninterruptible Power Supply
Page 13 of 13
Eaton 9390 Guide Specification
October 9, 2009
the load. A text message shall indicate if the battery charge is low or if the
battery is installed but disconnected.
4.
ALARM: This shall indicate that the UPS detects an alarm condition, outlined in
detail in the operator’s manual.
D.
Control Panel Controls: The UPS control panel shall provide the following functions from
front panel push buttons:
1.
EVENTS: Displays the list of Active System Events and a historical log of system
events. Historical logs shall include a detailed time stamped list of the latest 128
events.
2.
METERS: Displays performance meters for the system or critical load. When
selected, the front display shall show individual screens of input parameters,
output parameters or bypass parameters including; voltage, current and
frequency. In addition, the battery display shall show runtime remaining.
3.
CONTROLS: Displays a System Controls screen. Allows selection of operating
mode, normal, bypass, charger on/off and Power Module on/off.
4.
SETUP: Allows display contrast, date and time information serial communication
port configuration and display of firmware revision numbers.
5.
RETURN: Confirms selection or returns to previous screen.
E.
Interface panel: The UPS shall be equipped with an interface panel, located behind a
protective cover, which provides the following signals and communication features in a
Class 2 environment:
1.
Alarm contact: A dry contact for annunciating a summary alarm shall be provided
for customer use. This contact shall be Form “C” capable of supplying both N/O
and N/C contacts. Contact ratings shall be 5A max at a voltage not to exceed
28VDC or 277VAC.
2.
RS232 (EIA / TIA-232) communications interface: Circuitry shall be provided for
one RS232 (EIA / TIA-232) communication port for connection to automated
service department diagnostic tools. This port may be used with simple (“dumb”)
terminals to gain remote access to all unit operation information.
3.
Building alarms: Two inputs shall be provided for monitoring the status of
external dry contacts. Building alarms shall be set up through the UPS
configuration mode function on the RS232 (EIA / TIA-232) port.
4.
External EPO contacts: Shall be provided to connect an external remote
emergency power off switch to shutdown the UPS and de-energize the critical
load.
5.
Battery control contacts: Contacts shall be provided to connect the battery UVR
and auxiliary signals from a battery breaker or battery disconnect switch.
6.
External bypass indicator connection: A connection point shall be provided to
acknowledge that an external maintenance bypass has been closed around the
UPS, placing the critical load on utility power.
7.
The system shall have options to add four (4) additional building alarms, 384
logged events, 4 additional languages, Mandarin or Russian as a primary
language.
2.08
COMMUNICATIONS
