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Elgar GUPS 2400A–107 Operation Manual

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GLOBAL
UNINTERRUPTIBLE

POWER SUPPLY

Model GUPS 2400A–107
Operation Manual
ELGAR ELECTRONICS CORPORATION
9250 Brown Deer Road
San Diego, CA 92121-2294
1-800-73ELGAR (1-800-733-5427)
Tel: (858) 450-0085
Fax: (858) 458-0267
Email: sales@elgar.com
www.elgar.com
©2004 by Elgar Electronics Corporation
This document contains information proprietary to Elgar Electronics Corporation. The information contained herein is
not to be duplicated or transferred in any manner without prior written permission from Elgar Electronics Corporation.
January 23, 2004
Document No. M152491-01 Rev G

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Summary of Contents for Elgar GUPS 2400A–107

  • Page 1: Power Supply

    ©2004 by Elgar Electronics Corporation This document contains information proprietary to Elgar Electronics Corporation. The information contained herein is not to be duplicated or transferred in any manner without prior written permission from Elgar Electronics Corporation. January 23, 2004 Document No. M152491-01 Rev G...
  • Page 3 Elgar non-warranty service rates. • Warranty field service is available on an emergency basis. Travel expenses (travel time, per diem expense, and related air fare) are the responsibility of the Buyer. A Buyer purchase order is required by Elgar prior to scheduling. •...
  • Page 4 Always disconnect the AC input power and allow three minutes, minimum, before performing any internal servicing. Neither Elgar Electronics Corporation, San Diego, California, USA, nor any of the subsidiary sales organizations can accept any responsibility for personnel, material or consequential injury, loss or damage that results from improper use of the equipment and accessories.

  • Page 5: Table Of Contents

    CONTENTS SECTION 1 GENERAL DESCRIPTION ..........1-1 Introduction ...................... 1-1 General Description ..................1-1 Specifications....................1-1 SECTION 2 INSTALLATION ..............2-1 Introduction ...................... 2-1 Unpacking and Inspection ................2-1 Installation......................2-2 Air Intake and Exhaust..................2-2 Input/Output Connectors ................. 2-2 Wire Gauge Selection..................2-6 SECTION 3 OPERATION..............3-1 Introduction ......................
  • Page 6 Hardware Interface................3-7 3.9.2 Software Interface ................3-7 3.9.3 RS-232 Protocol...................3-8 3.9.4 Test Data Request Commands ............3-8 3.9.5 Elgar Terminal Interface (ETI) Data Request Commands....3-10 3.9.6 Status Words..................3-11 3.9.7 AC Line Loss Signal................3-16 SECTION 4 MAINTENANCE.............. 4-1 Introduction ......................4-1 Service Information ..................4-1 Spare and Repair Parts..................4-1...

  • Page 7: Section 1 General Description

    GENERAL DESCRIPTION Introduction The Elgar Model GUPS 2400A-107 is a 2400 VA Global Uninterruptible Power Supply (GUPS) that provides regulated 115 VRMS, 60 Hz output power at up to 20.9 Amps RMS load current. The GUPS 2400A-107 accepts 3-phase AC input line voltages from 159V to 232V at frequencies from 370 Hz to 430 Hz.
  • Page 8 General Description Battery Recharge Time: 4 hours to 90% full charge following discharge at 2400VA/1920W and 25°C Output Voltage: 115V, ±2% Output Frequency: 60Hz, ±0.1% Output Current: 20.9A(RMS) Output Distortion: 2% THD, maximum with linear load Output Power: 1920W with resistive load; 2400VA/1920W with a reactive load or a non-linear load Efficiency: 77% AC to Battery Crossover: 159V, maximum low-line voltage;...

  • Page 9: Section 2 Installation

    In addition, the shipping container(s) and filler material should be saved for inspection. Forward a report of damage to the Elgar Service Department. Elgar will provide instructions for repair or replacement of the instrument.

  • Page 10: Installation

    Installation When returning the instrument to Elgar, suitable shipping containers and packing material must be used. If the instrument needs to be shipped and proper packing material is not available, contact Elgar to provide containers and shipping instructions. Installation The Model GUPS 2400A-107 is 7" (178 mm) high and is designed to be installed in a standard 19"...

  • Page 11: Figure 2-1. Gups 2400A-107 (Front View)

    Installation Figure 2–1. GUPS 2400A-107 (Front View) GUPS 2400A–107 Operation Manual...

  • Page 12: Figure 2-2. Gups 2400A-107 (Rear View)

    Installation Figure 2–2. GUPS 2400A-107 (Rear View) GUPS 2400A–107 Operation Manual...

  • Page 13: Figure 2-3. Gups 2400A-107 Dimensions (Top, Side, And Front Views)

    Installation Figure 2–3. GUPS 2400A-107 Dimensions (Top, Side, and Front Views) GUPS 2400A–107 Operation Manual...

  • Page 14: Wire Gauge Selection

    (up to 450 Hz) power cabling. The same engineering rules apply whether going into or out of an electrical device. Thus, this guide applies equally to the input cable and output cable for this Elgar instrument and application loads. Power cables must be able to safely carry maximum load current without overheating or causing insulation destruction.
  • Page 15 Installation The following notes apply to Table 2–2 and to the power cable definition: 1. The above figures are based upon insulated copper conductors at 25°C (77°F), two current carrying conductors in the cable plus a safety (chassis) ground. Columns 3 and 4 refer to "one way" ohms and IR drop of current carrying conductors (e.g., a 50-foot cable contains 100 feet of current carrying conductor).
  • Page 16 Capability 3 to 6 Above 6 6. The preferred insulation material is application dependent. Elgar recommends any flame retardant, heat resistant, moisture resistant thermoplastic insulation rated to a nominal 75°C (167°F). Voltage breakdown must exceed the combined effects of: •...

  • Page 17: Section 3 Operation

    SECTION 3 OPERATION Introduction This section provides detailed information on the controls and indicators, input/output connections, start-up and shutdown sequences, battery operation, and the RS-232 data communications port. Control and Indicator Panel All controls and indicators for the GUPS 2400A-107 are located on the front panel of the unit. There are no operator adjustments inside the unit.

  • Page 18: Figure 3-1. Gups 2400A-107 Control And Indicator Panel

    Operation TEMP A two-color LED that indicates an over-temperature condition within the GUPS. The LED is green under normal operating conditions and red when an over-temperature shutdown occurs. TEST A two-color LED that indicates the results of the internal self-test. The LED blinks while a self- test is in progress.

  • Page 19: Pushbutton Switches

    Operation 3.2.2 Pushbutton Switches OUTPUT ON A momentary pushbutton switch on the front panel that alternately turns the output power on and off. TEST A momentary push button switch on the front panel that initiates the internal self-test. ALARM SILENCE A momentary pushbutton switch on the front panel that silences the audible alarm.

  • Page 20: Connectors

    Operation If SHUTDOWN is asserted while the AC input is not present and the inverter is running from the battery, the output relay will open and output power will be turned off; the inverter and control circuits will also be shut down. After shutdown, the OUTPUT ON switch must be manually toggled to turn the output back on.

  • Page 21: Start-Up And Shutdown Sequences

    Operation Start-Up and Shutdown Sequences To run the GUPS 2400A-107 from an AC input, perform the following steps: Turn on the AC input circuit breaker located on the front panel. Wait approximately 10 seconds for completion of the start-up routines. During this time, the GUPS performs a self-test to assure proper functionality, and the rectifier undergoes a soft-start so that current surges on the AC input are prevented.

  • Page 22: Battery Care And Handling

    Operation To turn OFF the output, press the OUTPUT ON switch again; the switch has a alternating ON/OFF action. The unit will shut down (with no AC input present); the inverter and all control circuits will turn off. 3.8.1 Battery Care and Handling The battery used in the GUPS 2400A-107 requires proper storage and recharging to maintain reliability.

  • Page 23: Rs-232 Data Communications Port

    Text data request commands return both descriptive text and the data values requested • Fast “data only” data request commands called the Elgar Terminal Interface (ETI), for use by a program running on a host computer. The ETI commands return only the data values that are requested •...

  • Page 24: Test Data Request Commands

    Operation 3.9.3 RS-232 Protocol The GUPS 2400A-107 RS-232 communications port protocol is given in Table 3–4. Baud Rate 9600 Data Bits Start Bits Stop Bits Parity None Table 3–4. RS-232 Communications Port Protocol 3.9.4 Test Data Request Commands The GUPS 2400A-107 RS-232 text data mode commands have been developed for a user interface utilizing a dumb terminal interface.
  • Page 25 Operation 3.9.4.2 Display Calibration Values Enter a command ‘k’ (lowercase K) character to display the calibration constants for the A/D converter algorithms values. For example: Calibration Constants: 80 percent current: 32F8 // Output current in hexadecimal 105 percent current: 424B 150 percent current: 50E7 Minimum voltage band: 2000 // Output voltage in hexadecimal...

  • Page 26: Elgar Terminal Interface (Eti) Data Request Commands

    Operation 3.9.5 Elgar Terminal Interface (ETI) Data Request Commands The GUPS 2400A-107 RS-232 text data mode commands have been developed for use by a program running on a host computer. The ETI mode data request commands provide formatted responses of only the measured value data in a formatted form. Each of the ETI data request commands supported by the GUPS 2400A-107 is described below.

  • Page 27: Status Words

    Operation 3.9.6 Status Words The status words may be used to examine the current state of the GUPS 2400A-107, but are not meant to be used in applications that are time–critical such as AC line loss detection. The “Line Loss Detected” message sent from the GUPS 2400A-107 (refer to Section 3.9.7), or the AC Line Loss signal (relay contact closure) will have the quickest response time.
  • Page 28 Operation 3.9.6.2 Status Word 1 Status Bit Condition Definitions The definitions of the conditions and usage of the bits in Status Word 1 are defined below. Over Temperature (Status Word 1, Bit 0) The Over Temperature status bit indicates that the thermostat internal to the GUPS 2400A-107 has exceeded its trip point.
  • Page 29 Operation Output Relay (Status Word 1, Bit 8) The Output Relay status bit indicates the state of the units output relay. A binary value of 0 indicates that the units output relay is open, while a binary value of 1 indicates that the output relay is closed.

  • Page 30: Table 3-6. Status Word 2 Data Format

    Operation 3.9.6.3 Status Word 2 Format Table 3–6 provides the bit position information and definition of the data in Status Word 2. Name Definition 0 = Running on AC Running on Battery 1 = Running on battery Reserved 0 = No Keypress Pending Inverter Keypress 1 = Inverter Keypress Pending 0 = System Operating...
  • Page 31 Operation 3.9.6.4 Status Word 2 Status Bit Condition Definitions The definitions of the conditions and usage of the bits in Status Word 2 are defined below. Running on Battery (Status Word 2, Bit 0) The Running on Battery status bit indicates that the unit is operating on batteries. A binary value of 0 indicates that the unit is running on AC input, while a binary value of 1 indicates that the unit is running on battery.

  • Page 32: Ac Line Loss Signal

    Operation Pass/Fail System Self-Test (Status Word 2, Bit 9) The Pass/Fail System Self-Test status bit indicates the results of the last run system self test. A binary value of 1 indicates that the unit passed the last self-test, while a binary value of 0 indicates that the unit failed the last self-test.

  • Page 33: Section 4 Maintenance

    Spare and Repair Parts When ordering spare parts or repair parts, specify the part name, part number, component value and rating, and the Elgar part number, if available. If complete assemblies are required, contact the Elgar Service Department. Specify the assembly part number as marked on the assembly and the unit model number, GUPS 2400A-107, when ordering.

  • Page 34: Troubleshooting

    Maintenance Troubleshooting In the event that a problem arises during unit operation, refer to the guidelines listed in Table 4–1 to assist in determining the cause and to repair the unit as quickly as possible. Symptom Probable Cause Suggested Solution No indicators are The AC line voltage is not Energize the input circuit breaker;...

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