GE Industrial Solutions GPS 4848-100 User Manual
Galaxy Power System 4848/100
with 595 Series Rectifiers S1:3 and later
(GPS 4848/100)
H569-434
Note: Refer to User's Guide Issue 8 for
595 Series Rectifiers prior to S1:3.
User’s Guide
Select Code 167-792-155
Comcode 107933384
Issue 10
February 2008
User’s Guide
Select Code 167-792-155
Comcode 107933384
Issue 10
February 2008
Galaxy Power System 4848/100
with 595 Series Rectifiers S1:3 and later
(GPS 4848/100)
H569-434
Notice:
The information, specifications, and procedures in this manual are
subject to change without notice. Lineage Power assumes no
responsibility for any errors that may appear in this document.
© 2008 Lineage Power
All International Rights Reserved
Printed in U.S.A.
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Table of Contents
1 Introduction
GPS 4848/100 1-1
Overview 1-1
Illustration 1-2
Safety 1-3
Electromagnetic Compliance 1-3
CE Marking 1-3
Telcordia 1-3
Customer Service Contacts 1-4
Customer Service, Technical Support, Product
Repair and Return, and Warranty Service 1-4
Customer Training 1-4
Downloads and Software 1-4
2 System Description
Overview 2-1
Block Diagram 2-1
System Components 2-2
Architecture 2-2
Introduction 2-2
Distributed 2-3
Centralized 2-5
Standard 2-7
Non-Traditional 2-7
3 Galaxy Millennium Controller
Overview 3-1
Mounting Location 3-1
Circuit Boards 3-1
Reference Material 3-1
Controller Product Manual 3-1
RPM System Product Manual 3-1
User Interface and Display 3-2
Front Panel 3-2
Default Display 3-2
LEDs 3-3
Pushbutton Controls 3-3
Test Jacks 3-3
Issue 10 February 2008 Table of Contents - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
4 Rectifiers
595 Series 4-1
Overview 4-1
Front Panel Display 4-2
Power Switch 4-2
Status Indicators 4-2
Current Display 4-2
Lamp Test 4-2
Illustration 4-2
Features 4-3
Output Voltage Adjustment 4-3
Output Current “Walk-in” 4-3
Electronic Current Limit 4-3
Selective High Voltage Shutdown (SHVSD) 4-3
Backup High Voltage Shutdown (BHVSD) 4-3
Restart 4-3
Output Circuit Breaker 4-3
Fan Alarm and Control 4-3
Thermal Alarm 4-4
Controller Communications Alarm 4-4
Autonomous Operation of the Rectifier 4-4
Connectorized 4-4
“Forced” Load Sharing 4-4
5 AC Input Panels
Overview 5-1
AC Service 5-1
6 Battery Connection Panels
Overview 6-1
Introduction 6-1
Distributed Architecture 6-1
Centralized Architecture 6-1
Illustrations 6-1
7 DC Distribution Panels
Overview 7-1
Function 7-1
2 - Table of Contents Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
8 Circuit Boards
Overview 8-1
Function 8-1
Terminal Boards 8-1
Alarm Boards 8-1
Alarm/Terminal Boards 8-1
BLJ Terminal Board 8-1
Bay Interface Card 8-2
Contactor Control Board 8-2
9 Specifications
GPS 4848/100 9-1
Rectifiers 9-4
AC Input Panels 9-7
Battery Connection Panels 9-7
DC Distribution Panels 9-8
10 Safety
11 Maintenance and Replacement
Requirements 11-1
System 11-1
Batteries 11-1
Controller 11-1
Rectifier 11-2
Vacant Rectifier Positions 11-2
Rectifier Fan Assembly 11-2
Replacement Procedures 11-3
Installing or Replacing a Rectifier 11-3
Removing a Rectifier 11-7
Replacing the Rectifier Fan Assemblies 11-9
Testing 11-11
Testing Additional Alarms After Replacing Rectifiers 11-11
Testing Rectifiers and Load Share in Bay Expansions 11-11
Replacement Parts 11-12
System 11-12
Millennium Controller Circuit Boards 11-13
Additional Ordering Information 11-13
Documentation 11-13
Software 11-13
Issue 10 February 2008 Table of Contents - 3
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
12 Troubleshooting Preparations
Preliminary 12-1
Introduction 12-1
Safety 12-1
Tools 12-1
Troubleshooting Procedure 12-2
Purpose 12-2
Cabinet Alarm 12-2
System Status 12-3
Alarms Menu 12-3
Troubleshooting Tables 12-3
Identifying Problems 12-3
Reference Figures 12-4
Figure Numbers and Titles 12-4
Millennium Controller 12-4
Rectifier 12-6
Low Voltage Battery Disconnect 12-7
AC Input 12-8
DC Distribution 12-9
Low Voltage Load Disconnect 12-10
13 Troubleshooting Millennium Systems
Introduction 13-1
In This Section 13-1
Preparation 13-1
Technical Assistance 13-1
Troubleshooting Tables 13-2
Organization 13-2
Table Reference 13-2
Rectifier Display Messages and LEDs 13-2
Millennium Controller Display 13-3
AC Alarm LED 13-3
BATT Alarm LED 13-4
CTRL Alarm LED 13-5
DIST Alarm LED 13-9
RECT Alarm LED 13-10
BD and RM Alarm LEDs, or No LED 13-15
14 Product Warranty
4 - Table of Contents Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
List of Figures
Figure 1-1: GPS 4848/100 With Millennium Controller 1-2
Figure 2-1: Block Diagram of the GPS 4848/100 2-1
Figure 2-2: Distributed Architecture 2-3
Figure 2-3: Distributed Architecture Initial and
Growth Cabinets 2-4
Figure 2-4: Centralized Architecture 2-5
Figure 2-5: Centralized Architecture Initial and
Growth Cabinets 2-6
Figure 2-6: Non-Traditional Cabling Arrangements 2-7
Figure 3-1: Galaxy Millennium Controller Front Panel 3-2
Figure 4-1: Rectifier Front Panel 4-2
Figure 5-1: H569-434 G20/220/320 (ED83142-30 G3)
208/240V AC Input Circuit Breaker Panel 5-1
Figure 5-2: H569-434 G21/23 (ED83142-30 G4)
208/240/480V AC Input Circuit Breaker Panel 5-2
Figure 5-3: H569-434 G22 (ED83142-30 G2)
480V AC Input Circuit Breaker Panel 5-2
Figure 5-4: H569-434 G24/25/26/27/128/129/130/131/
224/226 (ED83142-30 G5) 208/240/480V AC
input Terminal Strip Panel 5-3
Figure 5-5: H569-434 G70 (ED83142-30 G10)
480V 65kAIC AC Input Circuit Breaker Panel 5-3
Figure 5-6: H569-434 G71 (ED83142-30 G11)
480V 65kAIC AC Input Circuit Breaker Panel 5-4
Figure 6-1: H569-434 G30 (ED83143-31 G32)
Battery Connection Panel 6-2
Figure 6-2: H569-434 G31 (ED83143-31 G31)
Battery Connection Panel 6-2
Issue 10 February 2008 List of Figures - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Figure 6-3: H569-434 G32 (ED83143-31 G30)
Battery Connection Panel 6-3
Figure 6-4: H569-434 G34 (ED83143-31 G41)
Battery Connection Panel 6-3
Figure 6-5: H569-434 G35 (ED83143-31 G42)
Battery Connection Panel 6-4
Figure 6-6: H569-434 G37/38 (ED83143-31 G60/61)
Battery (OLE) Connection Panel 6-4
Figure 6-7: H569-434 G80/81/82 (ED83143-31 G31/43)
Battery Connection Panel 6-5
Figure 6-8: H569-434 G86/87 (ED83143-31 G63/64)
Battery Connection Panel 6-6
Figure 7-1: H569-434 G40/45/50/55 (ED83143-31 G11)
400A DC Distribution Panel 7-1
Figure 7-2: H569-434 G41/46/51/56 (ED83143-31 G12)
400A DC Distribution Panel 7-2
Figure 7-3: H569-434 G42/47 (ED83143-31 G2)
600A DC Distribution Panel 7-2
Figure 7-4: H569-434 G43 (ED83143-31 G1)
1200A DC Distribution Panel 7-3
Figure 7-5: H569-434 G48 (ED83143-31 G5)
1000A DC Distribution Panel 7-3
Figure 7-6: H569-434 G52 (ED83143-31 G53)
600A DC Distribution Panel 7-4
Figure 7-7: H569-434 G53/57 (ED83143-31 G55)
1000A DC Distribution Panel 7-4
Figure 7-8: HH569-434 G59 (ED83143-31 G56)
2-Position Fuse Distribution Panel 7-5
Figure 7-9: H569-434 G60/61/65/66 (ED83143-31 G71)
600A DC Distribution Panel 7-5
Figure 7-10: H569-434 G67 (ED83143-31 G22)
600A DC Distribution Panel 7-6
Figure 7-11: H569-434 G68 (ED83143-31 G21)
1200A DC Distribution Panel 7-6
2 - List of Figures Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Figure 7-12: H569-434 G96 (ED83143-31 G15)
510A DC Distribution Panel 7-7
Figure 7-13: H569-434 G97 (ED83143-31 G16)
14-Position, and H569-434 G98 (ED83143-31 G17)
22-Position DC Distribution Panel 7-7
Figure 7-14: H569-434 G54 (ED83143-31 G54)
5-Position DC Distribution Panel 7-8
Figure 7-15: H569-434 G58 (ED83143-31 G58)
6-Position GMT DC Distribution Panel 7-8
Figure 11-1: Installing a Rectifier in a Rectifier Shelf 11-5
Figure 11-2: Fan Replacement 11-9
Figure 12-1: Location of Cabinet Alarm Light and
Controller 12-2
Figure 12-2: Millennium Controller Display 12-5
Figure 12-3: Millennium Controller Fuses and
Circuit Boards 12-5
Figure 12-4: Rectifier Display 12-6
Figure 12-5: Low Voltage Battery Disconnect Contactor
Control Switches 12-7
Figure 12-6: AC Input Panel and Rectifier Connection 12-8
Figure 12-7: DC Distribution Panel 12-9
Figure 12-8: Low Voltage Load Disconnect Contactor
Control Switches 12-10
Issue 10 February 2008 List of Figures - 3
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
List of Tables
Table 9-A: Galaxy Power System 4848/100 Specifications 9-1
Table 9-B: 595 Series Rectifier Specifications - S1:3 and later 9-4
Table 9-C: Rectifier Display Messages and LEDs 9-6
Table 9-D: AC Panels 9-7
Table 9-E: Battery Connection Panels 9-7
Table 9-F: DC Distribution Panels 9-8
Table 11-A: GPS 4848/100 Replacement Parts 11-12
Table 11-B: Galaxy Millennium Controller Circuit Boards 11-13
Table 11-C: Product Documentation 11-13
Table 13-A: AC Alarms 13-3
Table 13-B: Battery Alarms 13-4
Table 13-C: Controller Alarms 13-5
Table 13-D: Distribution Alarms 13-9
Table 13-E: Rectifier Related Alarms 13-10
Table 13-F: Miscellaneous Alarms 13-15
Issue 10 February 2008 List of Tables - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
1 Introduction
GPS 4848/100
Overview The Galaxy Power System (GPS) 4848/100 was developed to support
-48 volt telecommunications powering solutions in worldwide markets.
The GPS 4848/100 combines 200-ampere, fan-cooled, switchmode
rectifiers, microprocessor control technologies, battery and load
disconnect/reconnect options, and a comprehensive line of fuse and
circuit breaker dc distribution options in a modular front-access design.
This modularity ensures easy access, simplified installation and
maintenance, and allows the system to expand in capacity and features
as power needs grow.
With 10,000-ampere maximum capacity, distribution flexibility, and
universal ac input capability, the GPS 4848/100 supports switching,
transmission, and wireless applications in central office locations and
environmentally controlled remote sites (huts or vaults). For centralized
architecture, bus bars are available to 10,000A.
Notes The Galaxy SCF Controller is no longer available in the GPS 4848/100.
For information about systems with SCF controllers, see Issue 5 of this
manual.
GPS 4848/100 supports 595LT series rectifiers, one per shelf. See GPS
4848/100 with Dual Rectifier Shelf User's Guide for Specifications of
595LT series rectifiers.
This document includes 595 series rectifiers S1:3 and later. For
information about systems with 595 Series Rectifiers prior to S1:3, see
Issue 8 of this manual.
Issue 10 February 2008 Introduction 1 - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Galaxy
GPS 4848/100, continued
Illustration Figure 1-1 is an isometric view of the GPS 4848/100 with a Millennium
Controller.
Battery Connection Panel
AC Panel
BLJ3
Terminal
Board
BIC
Galaxy
Millennium
Controller
DC Distribution
ESD
RAP
T
S
T
WRIS
GROUNDING
INT
O
P
595 Series
200A Rectifier
Figure 1-1: GPS 4848/100 With Millennium Controller
1 - 2 Introduction Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
GPS 4848/100, continued
Safety •UL1 Listed (US and Canada): UL Subject 1801 with applicable
sections of UL1950/CSA2 950)
• VDE Licensed to VDE 0805/IEC950/EN60950
Electromagnetic
• Emission:
Compliance
– FCC Part 15 Class B
– EN55022 (CISPR 22) Radiated/Conducted Emission, Class B
• Immunity
– IEC/EN 61000-4-2 ESD level 3 and 4
– IEC/EN 61000-4-3 Radiated Immunity, 10V/m
– IEC/EN 61000-4-4 Electrical Fast transients/Burst, level 4
– IEC/EN 61000-4-5 Lightning Surge, level 4
CE Marking • CE marked per European Union Council Directives:
– Low-Voltage Directive (73/23/EEC) and
– EMC Directive (89/336/EEC) as amended by CE Marking
Directive (93/68/EEC)
Telcordia • GR-63 and GR-1089 NEBS (including Level 3 testing)
• Report by an independent test house
1.UL is a registered trademark of Underwriters Laboratories, Inc.
2.CSA is a registered trademark of Canadian Standards Association.
Issue 10 February 2008 Introduction 1 - 3
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Customer Service Contacts
Customer Service, Technical Support, Product Repair and Return, and Warranty Service
For customers in the United States, Canada, Puerto Rico, and the US
Virgin Islands, call 1-800-THE-1PWR (1-800-843-1797). This number
is staffed from 7:00 am to 5:00 pm Central Time (zone 6), Monday
through Friday, on normal business days. At other times this number is
still available, but for emergencies only. Services provided through this
contact include initiating the spare parts procurement process, ordering
documents, product warranty administration, and providing other
product and service information.
For other customers worldwide the 800 number may be accessed after
first dialing the AT&T Direct country code for the country where the
call is originating, or you may contact your local field support center or
your sales representative to discuss your specific needs.
Customer Training Lineage Power offers customer training on many Power Systems
products. For information call 1-972-284-2163. This number is
answered from 8:00 a.m. until 4:30 p.m., Central Time Zone (Zone 6),
Monday through Friday.
Downloads and Software
To download the latest product information, product software and
software upgrades, visit our web site at
http://www.lineagepower.com
1 - 4 Introduction Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
2 System Description
Overview
Block Diagram Figure 2-1 shows a basic block diagram of the Galaxy Power System
4848/100. It illustrates the arrangement and interconnections of the
system components from the ac input to the dc output.
AC Input
Rectifiers
AC Input
Power
Chg
Bus
(-)
Return
Bus
(+)
DC Distribution
LVLD
Control
Board
LVL D
Battery Distribution
LVBD
Control
Board
Battery
LVB D
Shunt
To 48 Volt
Loads
DISCHG RTN
48V
Returns
BAT BUS
Battery (-)
CHG RTN
Battery (+)
CO
GND
Sense/Control
Connections
Controller
Figure 2-1: Block Diagram of the GPS 4848/100
Issue 10 February 2008 System Description 2 - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Overview, continued
System Components
The power system accepts alternating current from the commercial
utility or a standby ac power source and rectifies it to produce dc power
for the using equipment. The system’s control and alarm functions
interact with the rectifiers and the office. In addition, the system
provides overcurrent protection and charge, discharge, and distribution
facilities. Battery reserve automatically provides a source of dc power if
the commercial or standby ac fails. Battery reserve can be engineered to
supply dc power for a specific period of time. In normal practice, battery
capacity is sized to provide 3 to 8 hours of reserve time.
AC Input connects the commercial and/or standby ac power sources to
the rectifiers within the system and provides overcurrent protection. In
some applications the ac service is wired directly to the rectifiers and
overcurrent protection is provided at the service panel.
Rectifiers convert an ac source voltage into the dc voltage level required
to charge and float the batteries and to power the using equipment.
Controller provides the local and remote control, monitoring, and
diagnostic functions required to administer the power system.
Batteries provide energy storage for an uninterrupted power feed to the
using equipment during loss of ac input or rectifier failure.
DC Distribution Panel provides overcurrent protection, connection
points for the using equipment, and bus bars used to interconnect the
rectifiers, batteries, and dc distribution.
Battery Connection Panel provides connection points for the battery
strings through battery disconnect fuse, contactors, current monitoring
shunts, and equalize converters.
Architecture
Introduction For the GPS 4848/100 system, the basic system components, i.e., ac
input panels, battery connection panels, dc distribution panels, rectifiers,
and controller, can be configured to form two distinct system
architectures: a distributed architecture or a centralized architecture.
2 - 2 System Description Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Distributed In this system each cabinet contains ac distribution, dc distribution
panels, battery connection panels, rectifiers, termination points for load
circuits, and a battery shunt. The initial cabinet also contains the system
controller and, as such, it can function as a stand-alone system. The
rectifier output buses are interconnected to permit cabinets to share
current and ensure common voltage references for all system rectifiers.
Because each cabinet is basically a self-contained system, the overall
system capacity can be increased by simply adding cabinet/battery
entities. However, growing the system requires a distinct, dedicated
floor plan.
During normal operation, the readings from the battery shunts are
summed and subtracted from the rectifier current to obtain the system
current. While the batteries are providing the system load power, the
individual shunt may be monitored to determine the status of the
individual battery sections.
Cabinets can be equipped with load and/or battery disconnect/reconnect
contactors. Battery contactors prevent battery damage during deep
discharges by disconnecting batteries. Load contactors can extend the
time critical loads operate on battery discharge by disconnecting
non-critical loads during discharge.
Figure 2-2 shows an example of GPS 4848/100 components configured
in a distributed architecture; Figure 2-3 gives a front view of the
distributed initial and growth cabinets.
Battery String
Battery Shunt
To Loads
Control
and
Monitor
Figure 2-2: Distributed Architecture
Issue 10 February 2008 System Description 2 - 3
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Galaxy
Architecture, continued
Galaxy
P
ESD
A
R
T
S
ST
I
G
R
N
I
W
D
N
U
O
GR
T
POIN
Initial Cabinet Growth Cabinet
Figure 2-3: Distributed Architecture Initial and Growth Cabinets
2 - 4 System Description Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Architecture, continued
Centralized Figure 2-4 shows GPS 4848/100 components configured in a
centralized architecture; Figure 2-5 provides a view of the centralized
architecture initial and growth cabinets. Rectifiers, dc distribution
panels, and batteries are cabled to external busbars where a single
system shunt is provided to measure total system current. The initial
cabinet contains ac distribution, rectifiers, the controller, and
termination points for the system interconnect cables. Growth cabinets
contain ac distribution, rectifiers, and cable termination points. A
separate cabinet provides load distribution and protection facilities and
may include load disconnect/reconnect contactors.
This architecture requires extensive up-front planning to determine the
ultimate system capacity and engineering to size the external busbars
appropriately; however, the system plan is not constrained to dedicated
layouts as required for distributed architecture systems.
Charge Bus Charge Return Bus Discharge Return Bus
Plant
Shunt
Battery Strings
Control
and
Monitor
Figure 2-4: Centralized Architecture
Loads
Issue 10 February 2008 System Description 2 - 5
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Galaxy
Architecture, continued
Galaxy
D
S
P
E
A
R
T
S
ST
I
G
N
I
WR
D
N
U
O
GR
T
POIN
Initial Cabinet Growth Cabinet
Figure 2-5: Centralized Architecture Initial and Growth Cabinets
2 - 6 System Description Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Cabinet Cabling Options
Standard Standard cabinets are designed so that ac, battery, and dc load cables are
run through the top of the cabinet.
Non-Traditional Any of the battery panels and dc load panels (shown in Sections 6 and
7) may be used in cabinets that have non-traditional cabling orientations.
However, only G20, G22, G24, G26, and G70 ac panels (shown in
Section 5) are available for these cabinets (see Figure 2-6). Suffixes of
the ac panels indicate the cabling arrangements listed below:
AC
Cabling Arrangement
Panel
Suffix
A
B
C
Note: Check H569-434 for availability.
Through bottom of cabinet Through bottom of cabinet
Through bottom of cabinet Through top of cabinet
Through top of cabinet Through bottom of cabinet
Battery and
DC Load Leads
AC Battery and DC Load
AC Input
AC Input
"A" Arrangement "B" Arrangement "C" Arrangement
Battery and
DC Load Leads
AC Input
Battery and
DC Load Leads
Figure 2-6: Non-Traditional Cabling Arrangements
Issue 10 February 2008 System Description 2 - 7
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
3 Galaxy Millennium Controller
Overview
Mounting Location The Galaxy Millennium Controller mounts inside the front door with the
display viewed from the outside.
Circuit Boards The Galaxy Millennium Controller is equipped with a Basic control
board for basic operations and an optional Intelligent control board that
provides advanced local and remote monitoring and data acquisition
features. These control boards monitor each other’s status and issue
appropriate alarms in the event a failure occurs. Circuit packs are
accessed by opening the hinged cover from the left side.
Reference Material
Controller Product Manual
RPM System Product Manual
A Galaxy Millennium Controller, Select Code 167-792-180, is
furnished with every GPS 4848/100. Refer to the manual for
information regarding configuration and operation.
Refer to the Galaxy Remote Peripheral Monitoring System product
manual (Select Code 167-790-063) for additional information regarding
module operation.
Issue 10 February 2008 Galaxy Millennium Controller 3 - 1
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
User Interface and Display
Front Panel The control panel displays alarm and status indicators and provides test
jacks to monitor the system output. Keys are provided for interacting
with various menus that configure and monitor the system. The
controller menus can be viewed in either English or Spanish.
The user’s primary interface with the controller is a panel that includes
a backlit LCD front panel display, two rows of LEDs, test jacks, and an
array of simple pushbutton controls. See Figure 3-1.
Lamp
Test
Plant
Voltage
V
Menu Enter Adjust
Help Escape
BD
CRIT
BATT
MAJ
DIST
MIN
RECT
NORM
AC RM
COM
CTRL
Figure 3-1: Galaxy Millennium Controller Front Panel
Default Display The default display shows basic plant status. The controller returns to
this display three minutes after the last time a key is pressed. The default
screen display is similar to the following: The first line shows the
number of alarms (0) and warnings (0) present in the system, the date
and time. The next two lines show the plant voltage and the plant load.
The last line shows the plant mode, which can be FLOAT, BOOST, STC
(Slope Thermal Compensation), BTP (Battery Thermal Protection, a
boost mode that offers protection against thermal runaway), or BATT
TEST mode.
The information on the screen is updated automatically approximately
every two seconds.
3 - 2 Galaxy Millennium Controller Issue 10 February 2008
Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
User Interface and Display, continued
LEDs Two rows of LEDs show the source and severity of various alarms. An
alarm may light two LEDs: one alarm LED and one status LED. More
than one alarm LED may be on at the same time. In this case, the status
LED will be that of the most severe active alarm.
The first row of seven LEDs indicates the source of the alarm: BD,
battery on discharge; BATT, battery; DIST, distribution; RECT,
rectifier; AC, ac power supply; RM, remote monitoring; and CTRL,
controller.
The second row includes five LEDs. The first four LEDs indicate the
severity of the reported alarms: CRIT, critical; MAJ, major; MIN,
minor; and NORM, normal. Another LED, labeled COM, will be
illuminated when the internal modem is in use.
Pushbutton Controls
A pushbutton labeled LAMP TEST tests the controller’s circuit pack
LEDs and front panel LEDs. It will also test the indicators of serially
connected rectifiers.
A group of pushbutton keys beneath the backlit LCD display provides
the primary user interface with the controller. These keys are used singly
or in combination to navigate through the controller’s menus. The
following is the general description of these keys.
• Up arrow key: Use to navigate the menu; press the key to move the
cursor up one line.
• Down arrow key: Use to navigate the menu; press the key to move
the cursor down one line.
• Left arrow key: Use to navigate the menu; press the key to move
the cursor left one field.
• Right arrow key: Use to navigate the menu; press the key to move
the cursor right one field.
• MENU key: Press this key any time to view the MAIN menu.
• HELP key: Press this key to display limited on-line help
information.
• ENTER key: Use this key to select a menu item.
• ESCAPE key: Use this key to return to the immediately higher
level menu.
Test Jacks A pair of test jacks allows direct measurement of the dc bus sense
voltage being monitored.
Issue 10 February 2008 Galaxy Millennium Controller 3 - 3
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