ABB GPS4827, User Manual

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Page 13
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3. Galaxy Millennium II Controller
Overview
Introduction
The GPS 4827 comes equipped with the Galaxy Millennium II Controller. This section describes the
controller operation and detailed information about the features of the front panel keys, LEDs, and
display.
The Galaxy Millennium II Controller provides advanced local and remote monitoring and data
acquisition features. The controller monitors system parameters; such as, system voltage and current,
and components; such as rectifiers, and distribution circuits. The controller reports the status and
issues appropriate alarms in the event a failure occurs.
Each cabinet is equipped with a bay interface card (BIC). The BIC acts as an interface to the cabinet
control and alarm signals.
User Interface and Display
The Millennium II ’ s primary user interface is a backlit LCD front panel display that can be viewed in
English or Spanish, two rows of LEDs, an array of pushbutton keys, and a pair of test jacks.
Default Display
The default display shows basic system status; system voltage, load current, and plant state. The
controller returns to this display approximately three minutes after a key is pressed. The information
on the screen is updated automatically approximately every two seconds.
The default screen displays the following: The first line shows the number of alarms and warnings
present in the system, the date, and the time. The next two lines show the system voltage and the
system load. The last line shows the system mode, which can be one of the following:
• FLOAT
• BOOST
• STC (Slope Thermal Compensation)
• BATT TEST
Figure 3 - 1 illustrates the front panel.