Alpha Cordex HP CXRF 48-3.0kW User manual
Cordex HP 2.4kW / 3.0kW
Switched Mode Rectier System
Models:
Cordex®HP CXRF 48-3.0kW
Cordex®HP CXRF 48-2.4kW
User Guide ID: 0100037-J0
Eective:05/2021
Read this manual carefully.
Learn how to protect your equipment from damage and fully understand its functions.
Cordex® HP 3.0kW switched mode rectier system
Shelf models: 19 inch 1RU universal mount 12,000W
23 inch 1RU universal mount 15,000W
Cordex® HP 2.4kW switched mode rectier system
Shelf models: 19 inch 1RU universal mount 9,600/12,000W
23 inch 1RU universal mount 12,000/15,000W
Copyright
Copyright © 2021 Alpha Technologies Ltd. All rights reserved. Alpha is a registered trademark of Alpha Technologies.
No part of this documentation shall be reproduced, stored in a retrieval system, translated, transcribed, or transmitted in any
form or by any means manual, electric, electronic, electromechanical, chemical, optical, or otherwise without prior explicit
written permission from Alpha Technologies.
This document, the software it describes, and the information and know-how they contain constitute the proprietary,
confidential and valuable trade secret information of Alpha Technologies, and may not be used for any unauthorized purpose,
or disclosed to others without the prior written permission of Alpha Technologies.
The material contained in this document is for information only and is subject to change without notice. While reasonable
efforts have been made in the preparation of this document to assure its accuracy, Alpha Technologies assumes no liability
resulting from errors or omissions in this document, or from the use of the information contained herein. Alpha Technologies
reserves the right to make changes in the product design without reservation and without notification to its users.
Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies,
generators, batteries, or other hardware if used or operated in any manner or subject to any
condition inconsistent with its intended purpose, or if installed or operated in an unapproved
manner, or improperly maintained.
Photographs contained in this manual are for illustrative purposes only. These photographs
may not match your installation.
NOTE
Operator is cautioned to review the drawings and illustrations contained in this manual before
proceeding. If there are questions regarding the safe operation of this powering system, contact
Alpha Technologies or your nearest Alpha representative.
NOTE
NOTE
For technical support, contact Alpha Technologies:
Canada and US: 1.888.462.7487
International: +1.604.436.5547
Email: [email protected]
Contents
1. Safety..............................................................................................4
1.1 Safety symbols........................................................................................................................... 4
1.2 General safety............................................................................................................................ 4
1.3 Mechanical safety...................................................................................................................... 5
1.4 Electrical safety.......................................................................................................................... 5
1.5 Battery safety............................................................................................................................. 5
2. Introduction.....................................................................................6
2.1 Scope of the manual.................................................................................................................. 6
2.2 Product overview ....................................................................................................................... 6
2.3 Part numbers ............................................................................................................................. 7
..................................................................................8
.......................................................................................................... 8
.........................................................................................................11
4. Features........................................................................................13
........................................................................................................ 13
........................................................................................................ 18
5. Inspection......................................................................................22
5.1 Packing materials..................................................................................................................... 22
5.2 Check for damage.................................................................................................................... 22
5.3 General receipt of shipment..................................................................................................... 22
6. Installation.....................................................................................23
6.1 Installation overview................................................................................................................. 23
6.2 Safety precautions................................................................................................................... 23
6.3 Installation tools....................................................................................................................... 23
6.4 Assembly and mounting........................................................................................................... 24
6.5 DC output connections - bulk distribution ................................................................................ 25
6.6 AC wiring 23 inch shelf............................................................................................................. 28
6.7 AC wiring 19 inch shelf............................................................................................................. 29
6.8 Communication cabling (optional)............................................................................................ 30
6.9 System startup......................................................................................................................... 33
7. Wiring............................................................................................34
7.1 Installation notes...................................................................................................................... 34
7.2 Calculating output wire size requirements............................................................................... 34
7.3 Grounding................................................................................................................................ 35
.............................................36
........................................................................................................................ 36
8.2 Factory ranges and defaults .................................................................................................... 37
9. Maintenance .................................................................................38
...................................................... 38
.................................................................. 39
9.3 Fan replacement...................................................................................................................... 39
10. Troubleshooting ..........................................................................41
............................................................42
12. Warranty statement and service information ..............................43
12.1 Technical support................................................................................................................... 43
12.2 Warranty statement................................................................................................................ 43
12.3 Product warranty.................................................................................................................... 43
12.4 Battery warranty..................................................................................................................... 43
12.5 Warranty claims ..................................................................................................................... 43
12.6 Service information................................................................................................................ 43
.................................................................................44
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User GuideCordex HP 2.4kW / 3.0kW Modular Switched Mode Rectier
WARNING!
WARNING presents safety information to PREVENT INJURY OR DEATH to personnel. Warnings
are indicated by a shock hazard icon, the word WARNING, and a rule beneath which the
information appears.
CAUTION!
CAUTION indicates safety information intended to PREVENT DAMAGE to material or equipment.
Cautions are designated with a yellow warning triangle, the word CAUTION, and a rule beneath
which the information appears.
1. Safety
Save these instructions
This manual contains important safety instructions that must be followed during the installation, servicing, and
maintenance of the product. Keep it in a safe place. Review the drawings and illustrations contained in this
manual before proceeding. If there are any questions regarding the safe installation or operation of this product,
contact Alpha Technologies or the nearest Alpha representative. Save this document for future reference.
1.1 Safety symbols
To reduce the risk of injury or death, and to ensure the continued safe operation of this product, the following
symbols have been placed throughout this manual. Where these symbols appear, use extra care and attention.
equipment or installation procedures.
NOTE
A NOTE provides additional information to help complete a specic task or procedure. Notes
are designated with a check mark, the word NOTE, and a rule beneath which the information
appears.
HOT!
The use of HOT presents safety information to PREVENT BURNS to the technician or user.
1.2 General safety
WARNING!
This system is designed to be installed in a restricted access location that is inaccessible to the
general public.
Ce système est conçu pour être installé dans un endroit à accès restreint inaccessible au grand
public.
WARNING!
This equipment is not suitable for use in locations where children are likely to be present.
Cet équipement ne convient pas pour une utilisation dans des lieux ou des enfants sont
susceptibles d’être présents.
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1.4 Electrical safety
WARNING!
WARNING!
WARNING!
Before working with any live battery or power system, follow these precautions:
• Remove all metallic jewelry, such as watches, rings, metal rimmed glasses, or necklaces.
• Wear safety glasses with side shields at all times during the installation.
• Use OSHA (or international equivalent) approved insulated hand tools.
Lethal voltages are present within the power system. Always assume that an electrical
connection or conductor is energized. Check the circuit with a voltmeter with respect to the
grounded portion of the enclosure (both AC and DC) before performing any installation or
removal procedure.
• Do not work alone under hazardous conditions.
• A licensed electrician is required to install permanently wired equipment. Input voltages can range up
to 277Vac nominal. Ensure that the utility power is disconnected and locked out before performing any
installation or removal procedure.
• Ensure that no liquids or wet clothes come into contact with internal components.
• Hazardous electrically live parts inside this unit are energized from the batteries even when the AC input
power is disconnected.
1.5 Battery safety
• Servicing and connection of batteries must be performed by, or under the direct supervision of, personnel
knowledgeable of batteries and the required safety precautions.
• Always wear eye protection, rubber gloves, and a protective vest when working near batteries. Remove all
metallic objects from your hands and neck.
• Use OSHA (or international equivalent) approved insulated hand tools. Do not rest tools on top of batteries.
• Batteries contain or emit chemicals known to cause cancer and birth defects or other reproductive harm.
Battery post terminals and related accessories contain lead and lead compounds. Wash your hands after
handling batteries.
Follow battery manufacturer’s safety recommendations when working around battery systems.
Do not smoke or introduce an open ame when batteries (especially vented batteries) are
charging. When charging, batteries vent hydrogen gas, which can explode.
Batteries are hazardous to the environment and should be disposed at a recycling facility. Consult the battery
manufacturer for recommended local authorized recyclers.
Hazardous voltages are present at the input of power systems. The DC output from rectiers
and batteries, though not dangerous in voltage, has a high short-circuit current capacity that
may cause severe burns and electrical arcing.
1.3 Mechanical safety
• Keep hands and tools clear of fans. Fans are thermostatically controlled and switch on automatically.
• Power supplies can reach extreme temperatures under load.
• Use caution around sheet metal components and sharp edges.
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User GuideCordex HP 2.4kW / 3.0kW Modular Switched Mode Rectier
2. Introduction
2.1 Scope of the manual
This manual explains the installation, interconnection, and operation of:
•
•
2.2 Product overview
connections for AC inputs, DC output, and system communications. The wide AC input operating range for global
installations and wide operating temperature ranges for installation in uncontrolled environments along with high
1RU shelf system. Industry leading power density (35W/in3) yields more space for revenue generating equipment.
power to or from the system or the load. Additional power modules can be included with the system at the time of
ordering or added after the shelf has been installed.
includes temperature compensation, auto equalization, remote access, dial out on alarm, battery diagnostics,
provided in the current version of the related software manual.
External system controller models communicate with the shelf via RJ12 shelf connectors. In a power system, up
featuring touch screen, color LCD display with front Ethernet and USB connectors, is available as a panel mount
Shelf ID location technology is built into the Cordex HP 3.0kW rectier. This feature is capable of remotely
service interruption or when a unit has failed.
Cordex HP 19 inch rectifier shelf
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2.3 Part numbers
The product, options, and accessories can be ordered by using the part numbers in the following tables.
2.3.1
Description Part numbers
23 inch 1RU universal mount 15000W shelf*
• bulk power for external distribution
•
0300216-001 (shelf/slot ID supported)
19 inch 1RU universal mount 12000W shelf*
• bulk power for external distribution
•
0300228-001 (shelf/slot ID supported)
0100037-001
Fan assembly replacement 7400732-001
Module blank 7400424-001
Rear DC output 19 inch shelf cover 0370250-001
Rear DC output 23 inch shelf cover 0370250-002
2.3.2
Description Part number
23 inch 1RU universal mount 12000/15000W shelf*
• bulk power for external distribution
•
0300057-001
19 inch 1RU universal mount 9600/12000W shelf*
• bulk power for external distribution
•
0300040-001
19 inch 1RU universal mount, 4 × 2.4kW/3.0kW outputs
•
•
0300040-002
0100003-001
Fan assembly replacement 7400374-001
Module blank 7400424-001
Rear DC output 19 inch shelf cover 0370250-001
Rear DC output 23 inch shelf cover 0370250-002
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3. Specifications
3.1
Table A — Cordex 3.0kW rectier specications
Electrical
Input specications
Nominal input 208 to 277Vac
Full power 187 to 300Vac
Input operational 90 to 300Vac
Input extended high 277 to 300Vac reduced input PF
Input extended low 90 to187Vac derate linearly to 1200W
Input frequency 45 to 65Hz
Input nominal 15.5A at 208 to 277Vac
Input maximum 16.5A at 185Vac
Power factor
Inrush current
Start-up ready times <5 seconds
Start-up delay Programmable up to 120 seconds
Soft start User adjustable to at least 5 seconds
Protection 10kA interrupting in L and N wires
THD current
Input leakage current
Output specications
Output voltage 42 to 58Vdc
Maximum power 3000W
Output current 55.5A at 54Vdc
Maximum output current 62.5A at 48Vdc
Holdup time
Characteristics
Eciency
Acoustic noise <55dBa at 1m (3ft) 30°C (86°F)
Static load regulation
Dynamic load regulation
(40%-90%, 90%-40%)
Static line regulation
Temperature stability
Time stability
Electrical noise (nominal voltages)
Voice band <53dBrnc
Wide band 10kHz to 10MHz <260mVrms
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Wide band 10kHz to 100MHz <180mVpk-pk
Reliability
MTBF 623,860 hours
Telcordia SR-332 Issue 3
Method 1 Case 3, Parts Count Method, Quality Level II
(Remarks)
•
stress. However, the operating point and temperature of selected critical components
was measured and included in the model for improved accuracy.
• All components are assumed to be necessary for operation of the product.
• Failures are expected to have an exponential distribution during the useful life period of
the product.
• The MTBF calculation does not include batteries, software, or mechanical parts.
Mechanical
Dimensions H × W × D 41mm × 104mm × 333mm (1.6in × 4.1in × 13.1in)
Weight 1.76 kg (3.9 lbs)
Environmental
Temperature
Operating full power –40°C to 55°C (–40°F to 131°F)
Extended 55°C to 75°C (131°F to 167°F) derate to 600W
Storage –40°C to 85°C (–40°F to 185°F)
Characteristics
Relative humidity
Heat dissipation
Elevation –500m to 3000m (–1640ft to 9842ft)
3.1.1
23 inch 1RU universal mount 15,000W shelf P/N 0300216-001 (shelf/slot ID supported)
Number of rectiers
Nominal AC input current
(two modules per feed) 120Vac; 29A (per feed); 50/60Hz
208 to 277Vac; 31-24A (per feed); 50/60Hz
Recommended input feeder breakers
(three feeds per shelf)
Recommended AC input wire size 40A: 8 AWG line; 10 AWG protective earth
20A: 12 AWG line; 14 AWG protective earth
Shelf output power 15kW maximum
Distribution Bulk power for external distribution
Dimensions H × W × D 44mm × 537mm × 420mm (1.75in × 21.1in × 16.5in)
Weight 5.7kg (12.6lbs)
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Communications ports
Shelf ID: interface to connect to bay ID module
19 inch 1RU universal mount 12,000W shelf P/N 0300228-001 (shelf/slot ID supported)
Number of rectiers
Nominal AC input current
(one module per feed) 120Vac; 14.2A (per feed); 50/60Hz
208 to 277Vac; 15.5 to 12A (per feed); 50/60Hz
Recommended input feeder breakers
(four feeds for shelf) 20A per feed for nominal 120, 208, 240, 277 Vac
Recommended AC input wire size 12 AWG line; 14 AWG protective earth
Shelf output power 12kW maximum
Distribution Bulk power for external distribution
Dimensions H × W × D 44mm × 438mm × 420mm (1.75in × 17.3in × 16.5in)
Weight 4.5kg (9.9lbs)
Communications ports
Shelf ID: interface to connect to bay ID module
Compliance
Safety CSA C22.2 No 60950-1-07 + Am.1:2011 +Am.2:2014
UL 60950-1-2014
IEC/EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013
CAN/CSA-C22.2 No. 62368-1:14
ANSI/UL 62368-1 2nd Ed
IEC 62368-1:2014 (Second Edition)
EN 62368-1:2014+A11:2017
EMC FCC Section 15B / ICES 003 Class A Digital Device
IEC/EN 55024:2010 ITE Equipment - Immunity Characteristics
IEC/EN 55032/CISPR 32 Class A:2012 +AC:2013
IEC/EN 61000-3-2:2014 Harmonic Current Emission
IEC/EN 61000-3-3:2013 Voltage Fluctuations and Flicker
IEC/EN 61000-4-2:2008 ESD Immunity
IEC/EN 61000-4-3:2006 +A1:2007 +A2:2010 Radiated Electromagnetic Immunity
IEC/EN 61000-4-4:2012 Electrical Fast Transient/Burst Immunity
IEC/EC 61000-4-5:2014 +A1:2017 Surge Immunity Test
IEC/EN 61000-4-6:2013 Immunity to Conducted Disturbances
IEC/EN 61000-4-8:2009 Power Frequency Magnetic Field
IEC/EN 61000-4-11:2004 +A1:2017 Voltage Dips & Interruptions
IEC/EN 61000-6-4:2007 +A1:2011 Generic Standards Industrial Environment
Directives 2014/35/EU Low Voltage Directive (LVD)
2014/30/EU EMC Directive
2011/65/EU Restriction on use of Hazardous Substances (RoHS2/6)
Category of EEE (Annex 1): Category 3 IT and Telecommunications Equipment
CategoryofEEE (Annex 1):Category11 Other Electrical andElectronicEquipment
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3.2
Table B — Cordex 2.4kW rectier specications
Electrical
Input voltage
Nominal 208 to 277Vac
Operating 90 to 310Vac
Extended 90 to 187Vac (de-rated power)
Input frequency 44 to 66Hz
Power 2400W continuous
(1200W output at 120Vac Input)
Power factor
THD
Eciency
Output voltage 42 to 58Vdc (No load 46.5 to 58Vdc)
Output current 44.5A at 54Vdc (50A max at 48Vdc)
(~25A at 48Vdc at 120Vac input)
Load regulation
Line regulation
Transient response
Noise
Voice band <38dBrnC
Wide band <20mV RMS (10kHz to 10MHz)
<150mV peak to peak (10kHz to 100MHz)
Psophometric noise <2mV RMS
Acoustic <60dBa at 1m (3ft), 30°C
Reliability
MTBF 627,000 hours per Telcordia SR-332 Issue 3 (2011)
Mechanical
Dimensions H × W × D 41mm × 104mm × 333mm (1.6in × 4.1in × 13.1in)
Weight 1.76kg (3.9lbs)
Environmental
Temperature
Operation –40°C to 75°C (–40°F to 149°F)
Full nominal output power
Storage –40°C to 85°C (–40°F to 185°F)
Operating humidity
Heat dissipation <350 BTU per hour (102.6W) (typical)
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3.2.1
23 inch 1RU universal mount 12,000/15,000W shelf P/N 0300057-001
Number of rectiers
Nominal AC input current
(two modules per feed) 120Vac; 23A (per feed); 50/60Hz
208 to 277Vac; 25 to 19A (per feed); 50/60Hz
Recommended input feeder breakers
(three feeds per shelf)
Recommended AC input wire size 40A: 8 AWG line; 10 AWG protective earth
20A: 12 AWG line; 14 AWG protective earth
Shelf output power 15kW maximum
Distribution Bulk power for external distribution
Dimensions H × W × D 44mm × 537mm × 420mm (1.75in × 21.1in × 16.5in)
Weight 5.7kg (12.6lbs)
Communications ports
19 inch 1RU universal mount 9,600/12,000W shelf P/N 0300040-001/002
Number of rectiers
Nominal AC input current
(one module per feed) 120Vac; 11.5A (per feed); 50/60Hz
208 to 277Vac; 12.5 to 9.5A (per feed); 50/60Hz
Recommended input feeder breakers
(four feeds for shelf) 20A per feed for nominal 120, 208, 240, 277 Vac
Recommended AC input wire size 12 AWG line; 14 AWG protective earth
Shelf output power 12kW maximum
Distribution options Bulk power for external distribution (0300040-001)
Separate feed IO (0300040-002)
Dimensions H × W × D 44mm × 438mm × 420mm (1.75in × 17.3in × 16.5in)
Weight 4.5kg (9.9lbs)
Communications ports
Compliance
Safety CSA C22.2 No 60950-1-07 + Am.1:2011 +Am.2:201
UL 60950-1-2014
IEC/EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011
EMC FCC Section 15B / ICES 003 Class A Digital Device
IEC/EN 55022:2010 ITE Equipment - Immunity Characteristics
IEC/EN 61000-3-2:2006 Harmonic Current Emissions
IEC/EN 61000-4-4:2012 Electrical Fast Transient/Burst Immunity
IEC/EN 61000-4-6:2009 Immunity to Conducted Disturbances
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4. Features
4.1
4.1.1 Front panel LEDs
Locate Module command.
Alarm/Fault
The red LED is on during an active Module Fail alarm if the module is unable
to source power due to a fault condition. Refer to the relevant controller
manual for fault details.
capability has been reduced or a minor failure is detected.
The red LED will remain active if the module is receiving power from the DC
bus.
DC ON
controller.
AC ON
operational AC input range and input frequency.
LED activity during the Locate Module command from controller
The Locate Module
LED activity during power save
4.1.2 True module fail alarm
condition is detected and the Module Fail detection circuit is activated. This circuit momentarily ramps up the
output voltage to determine if the module will source current. If no increase in current is detected, the Module
Fail alarm is activated. The module will test once every 60 seconds for the condition until a current is detected.
The output voltage ramping ceases upon detection of current. A minimum 2.5 percent load is required to avoid the
Ramp Test Fail alarm. This load can be provided with the parallel system battery. Activation of this alarm could
indicate a failed module or a failed load.
percent of the rated output), the ramp test should be disabled. Disable the Ramp Test via the Cordex HP controller
menu: System > DC System > Inventory > Rectiers > Conguration.
4.1.3 Heat dissipation
through internal vents at the rear of the unit. The fan may spin in required situations.
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4.1.4 Over temperature protection
from ambient over temperature scenarios; will limit its output power.
4.1.5 AC input power derating
breaker trip from drawing the same amount of power at lower input voltages.
4.1.6 AC inrush/transient suppression
state line current. Modules are also protected from input lightning and transient surges in accordance with ANSI/
IEEE C62.41 Category B3 standards.
4.1.7 Soft start
A soft start feature is used to eliminate an instantaneous demand on the AC power source. A soft start, sometimes
This feature along with Start Delay prevents any instantaneous surge demand on the utility.
-40, 100% 0, 100%
55, 100%
65, 67%
75, 20%
75, 0%
0%
20%
40%
60%
80%
100%
120%
-50 -30 -10 50 70
% Output Power
10 30
Internal Ambient Temperature °C
3.0kW Output Power vs.Temperature
3.0kW Output %
90, 0%
90, 40%
120, 58%
187, 100%
208, 100%
240, 100%
277, 100%
300, 100%
0%
20%
40%
60%
80%
100%
120%
80 130180230 280 330
% Output Power
Input Voltage (Vac)
3.0kW Output %
3.0kW Output %
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4.1.8 Start delay
and multiple shelves, part of a larger system are used in conjunction with a controller, a start delay prevents
to 1 second and can be adjusted up to 250 seconds on the Cordex HP controller. The built-in timer delays the
switching on of the module by the start delay interval (up to 250 seconds), which is set in the controller.
4.1.9 Current limit/short circuit protection
the output voltage or power. The maximum output current is limited to a constant value down to a short circuit
parallel battery to minimize excessive battery recharge currents.
not exceed 62.5A per module.
4.1.10 Power limiting
to be supplied at lower output voltages, and allows matching the output power to the demands of constant-power
loads often seen in telecom equipment.
4.1.11 High voltage shutdown (HVSD)
down when a high output voltage condition occurs. The redAlarm (Module Fail) LED will illuminate. The module
will restart automatically. However, if more than three over-voltage conditions occur within one minute, the module
4.1.12 Battery eliminator operation
attached in parallel to the output. Under these conditions there will be no monitoring or control activity if AC power
failure occurs.
NOTE
The current limiting feature overrides the power-limiting feature.
0.00
10.00
20.00
30.00
40.00
50.00
60.00
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00
Output Voltage (Vdc)
Output Current (A)
3kW Short Circuit
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4.1.13 Mechanical
4.1.14 Firmware update
4.1.15 Distribution
Bulk
• 23 inch 1RU universal mount P/N 0300057-001 (2.4kW compatible), 0300216-001 (shelf ID support)
• 19 inch 1RU universal mount P/N 0300040-001 (2.4kW compatible), 0300228-001 (shelf ID support)
4.1.16 Controller
• Local and remote communications and monitoring
•
• Daily logging of events and system statistics
• Load sharing
• Power save
NOTE
The 3.0kW rectier requires AC input power to be connected to perform the rmware update.
19 inch shelf with bulk distribution busbars
NOTE
The 3.0kW shelf is also designed to operate without a Cordex controller; however, load
balancing among the rectiers won't be as ecient, particularly at lower input voltages.
The Cordex HP controller requires version 5.20 (or later) of the software in order to correctly
display the system capacity at 120Vac.
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CAN bus connections
RJ12, CAN 1
RJ12, CAN 2
Note: Daisychain CAN bus
from one shelf to the next,
insert terminator (P/N 5450228-001)
in last position
4.1.17 Internal CAN bus
The CAN bus can be daisy-chained from shelf to shelf (CAN 1 of one shelf to CAN 2 of another). The last shelf is
terminated using a CAN terminator.
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4.2
4.2.1 Front panel LEDs
Alarm/Fault
The red LED is on during an active Module Fail alarm if the module is unable
to source power due to a fault condition. Refer to the relevant controller
manual for fault details.
capability has been reduced or a minor failure is detected.
The red LED will remain active if the module is receiving power from the DC
bus.
DC ON
controller.
AC ON
operational AC input range and input frequency.
LED activity during the Locate Module command from controller
The Locate Module
LED activity during power save
4.2.2
Refer to drawings at the end of this manual for shelf power and communications connections (compatible with
• 0300057-08
• 0300040-08
4.2.3 True module fail alarm
condition is detected and the Module Fail detection circuit is activated. This circuit momentarily ramps up the
output voltage to determine if the module will source current. If no increase in current is detected, the Module Fail
alarm is activated. The module will test once every 60 seconds for the condition until a current is detected. The
output voltage ramping ceases upon detection of current. A minimum 2.5 percent load is required to avoid the
Ramp Test Fail alarm. This load can be provided with the parallel system battery. Activation of this alarm could
indicate a failed module or a failed load.
percent of the rated output), the ramp test should be disabled. Disable the Ramp Test via the controller menu:
System > DC System > Inventory > Rectiers > Conguration.
4.2.4 Heat dissipation
through internal vents at the rear of the unit.
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4.2.5 Over temperature protection
level. Over temperature shut down can also occur when a fan failure has occurred.
4.2.6 Wide AC range
up to 1200W between 90Vac and 187Vac.
4.2.7 AC inrush/transient suppression
state line current. Modules are also protected from input lightning and transient surges in accordance with ANSI/
IEEE C62.41 Category B3 standards.
4.2.8 Soft start
A soft start feature is used to eliminate an instantaneous demand on the AC power source. Asoft start, sometimes
This feature along with Start Delay prevents any instantaneous surge demand from the utility.
4.2.9 Start delay
and multiple shelves, part of a larger system are used in conjunction with a controller, a start delay prevents
to 1 second and can be adjusted up to 250 seconds on the Cordex HP controller. The built-in timer delays the
switching on of the module by the start delay interval (up to 250 seconds), which is set in the controller.
4.2.10 Current limit/short circuit protection
the output voltage or power. The maximum output current is limited to a constant value down to a short circuit
parallel battery to minimize excessive battery recharge currents.
not exceed 50A per module.
4.2.11 Power limiting
to be supplied at lower output voltages, and allows matching the output power to the demands of constant-power
loads often seen in telecom equipment.
NOTE
The current limiting feature overrides the power-limiting feature.
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