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Associated Research AC1000 Operation And Service Manual

1 kva linear power source
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OPERATION AND SERVICE MANUAL
MODEL AC1000
Power Source
1 kVA Linear Power Source
SERIAL NUMBER
© Associated Research, Inc. 2006
Model
13860 West Laurel Drive
Lake Forest, Illinois, 60045-4546
AC1000
U.S.A.
Item 38771
Ver 1.01
Printed May 25, 2006

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Summary of Contents for Associated Research AC1000

  • Page 1 OPERATION AND SERVICE MANUAL MODEL AC1000 Power Source 1 kVA Linear Power Source SERIAL NUMBER © Associated Research, Inc. 2006 Model 13860 West Laurel Drive Lake Forest, Illinois, 60045-4546 AC1000 U.S.A. Item 38771 Ver 1.01 Printed May 25, 2006...

  • Page 3: Table Of Contents

    1.4. Safety ......................3 1.4.1. Service and Maintenance..............4 1.4.2. Test Station ..................4 1.4.3. Test Operator ..................5 1.5. Key Features of the AC1000 ................. 6 2. Getting Started ......................7 2.1. Unpacking and Inspection ................7 2.1.1. Packaging..................... 7 2.1.2.
  • Page 4 5.2. Remote Signal Inputs and Memory Access ..........24 5.3. Interfacing the AC1000 with an OMNIA 8006/8106 ........26 6. Options........................29 7. Calibration Procedure..................... 31 7.1. Warranty Requirements ................31 7.2. Calibration Procedure ................. 32 8. Replacement Parts....................35 9.

  • Page 5: Introduction

    1. Introduction 1.1. Warranty Policies Associated Research, Inc., certifies that the instrument listed in this manual meets or exceeds published manufacturing specifications. This instrument was calibrated using standards that are traceable to the National Institute of Standards and Technology (NIST).

  • Page 6: Safety Symbols

    Research, Inc. as an acceptable specified part. Use of non-authorized parts in the repair of this instrument will void the warranty. 1.2. Safety Symbols 1.2.1. Product Marking Symbols Product will be marked with this symbol when it is necessary to refer to the operation and service manual in order to prevent injury or equipment damage.

  • Page 7: Safety

    Adjust both voltage select switches to 115 for use with a 115 volt input. Adjust both voltage select switches to 230 for use with a 230 volt input. • NOTE: The AC1000 is internally fused and is not user serviceable. Please contact Associated Research, Inc. for an RMA number to have the fuse replaced.

  • Page 8: Service And Maintenance

    This instrument and its accessories must be returned at least once a year to an Associated Research, Inc. authorized service center for certification and inspection of safety related components. Associated Research, Inc. will not be held liable for injuries suffered if the instrument is not properly maintained and safety checked annually.

  • Page 9: Test Operator

    There should not be any metal in the work area between the operator and the location where products being tested will be positioned. Any other metal in the work area should be connected to a good ground, never left “floating”. Keep the area clean and uncluttered.

  • Page 10: Key Features Of The Ac1000

    The output voltage will expand or collapse in order to maintain a pre-programmed current level. 3 Way Power On Condition Controls the way the AC1000 powers up: with the output enabled, with the output disabled, or with the output configured in the same condition as when the source was turned off.

  • Page 11: Getting Started

    If the instrument is damaged, notify the carrier and Associated Research, Inc.’s customer support department. Please save the shipping carton and packing material for the carrier’s inspection.

  • Page 12: Installation

    2.2.3. Basic Connections Input Power Connections The terminal strip located on the rear panel of the AC1000 is designed to accept line, neutral, and a safety earth ground. See section 3.2. Instrument Controls for images of the front and rear panels. Connections should be made using properly rated wire based on each application’s input current specifications.
  • Page 13 Figure 1.0 Below is the American Wire Gauge (AWG) table which may be used as a reference to determine the appropriate copper wire gauge based on the maximum rated current output of a 15, 20 and 30 Amp circuit breaker. •...

  • Page 14: Environmental Conditions

    Output Connections The AC1000’s output is single phase and can be accessed from both the front and back panel of the instrument. The output on the front panel is a single phase universal socket designed for use with a line cord. The output on the back panel is located on the terminal strip and consists of two screw-on terminal connections.

  • Page 15: Specifications And Controls

    3. Specifications and Controls 3.1. AC1000 Functional Specifications INPUT Phase Single Phase 115 / 230V selectable, ± 10 % variation Voltage 50/60 Hz ± 5% Frequency Fuse 115 VAC – 30A Slow-Blo 250VAC Internal 230 VAC – 15A Slow-Blo 250VAC Internal...
  • Page 16 MEASUREMENT Voltage Measurement Range: 0.0 - 300.0V Resolution: 0.1V Accuracy: ± (1.5% of reading + 2 counts) Frequency Measurement Range: 0.0 - 500.0Hz Resolution: 0.1Hz Accuracy: ± 0.1Hz Current Measurement Range 1: 0.000-3.500A Resolution: 0.001A Accuracy: ± (2.0% of reading + 2 counts) Range 2: 3.00 - 35.00A Resolution:...

  • Page 17: Instrument Controls

    3.2. Instrument Controls 3.2.1. Front Panel Controls Figure 2.0(a) 1. Frequency Display: Shows the output frequency during operation. Shows the parameter item when in the system setting mode. Shows the error condition if an error has occurred. 2. Voltage Display: Shows the output voltage during operation. Shows the parameter item when in the system setting mode.
  • Page 18 Figure 2.0(b) 12. SYSTEM Key: Enters or exits the system setting mode. 13. LOCK Key: Disables all the keys on the front panel. 14. Voltage Up Key: Increments the output voltage to a higher value during operation or selects the system item in system setting mode. 15.
  • Page 19 Figure 2.0(c) 25. M2 Indicator: When the LED is ON, the output is set according to M2. 26. M1 Indicator: When the LED is ON, the output is set according to M1. 27. SYSTEM Indicator: When the LED is ON, the system setting menu is activated. 28.

  • Page 20: Rear Panel Controls

    3.2.2. Rear Panel Controls Figure 3.0 1. Line Output Terminal: High voltage output screw terminal. 2. Neutral Output Terminal: Neutral (return) screw terminal. 3. Ground Input Terminal: Earth ground (chassis) connection for line cord. 4. Line Input Terminal: High voltage input screw terminal for line cord. 5.

  • Page 21: Programming Instructions

    Voltage 4.2. System Setup 1. With the AC1000 powered up and the output in the OFF condition, press the SYSTEM key to enter the system setting mode. The SYSTEM indicator light will illuminate. The system setting screen cannot be entered when the output is ON.

  • Page 22: System Parameters

    4.2.2 System Parameters PLC Remote When the PLC Remote parameter is active, the overall operation of the AC1000 may be controlled through the PLC connector on the rear of the instrument. When enabled, all keys on the front panel will be disabled except the LOCK, SYSTEM and P/PF keys.

  • Page 23: Default System Parameters

    Frequency HI Limit Sets the HI Limit frequency from 45-500 Hz. The output frequency cannot be raised to a value that exceeds this limit during a test. Power Up Status This parameter controls the output configuration during power up and can be changed to one of three conditions: ON, OFF, or LAST.

  • Page 24: Default Test Parameters

    To recall each memory, press and release the M1, M2 or M3 keys. 4.3.2 Default Test Parameters The AC1000 has specific default test parameters that have been preconfigured upon shipment from the factory. The Default Parameters are as follows:...

  • Page 25: Error Messages

    WARNING recorded. Check the cause of error to ensure the problem is eliminated before restarting the operation, or contact Associated Research, Inc. If the output current exceeds 110% of maximum hardware current rating, the Frequency Display will indicate “OCP” and the alarm will sound. The OUTPUT/RESET LED indicator will blink and the Voltage and Current Displays will show the overloaded voltage and current respectively.
  • Page 26 HI-A If the output current has exceeded the HI Limit, the Frequency Display will indicate “HI-A” and the alarm will sound. The OUTPUT/RESET LED indicator will blink and the Voltage and Current Displays will show the overloaded voltage and current respectively. Frequency If the heat sink of the instrument has exceeded 130 °C, the Frequency Display will indicate “OtP”.

  • Page 27: Connection Of Remote

    5. Connection of Remote I/O One 9-pin D sub-miniature female connector is mounted on the rear panel that provides REMOTE-INPUT control and information. This connector mates with standard 9-pin D-sub- miniature connector provided by the user. The female (socket) connector on the power source mates to a male (plug) connector.

  • Page 28: Remote Signal Inputs And Memory Access

    OUTPUT/RESET functions and allows the operator to toggle and select memory location 1, 2, and 3. When the PLC Remote mode is ON, the AC1000 will respond to simple switch or relay contacts closures. At this point the OUTPUT/RESET switch on the front panel cannot be used to enable the output, but can be used to return the power source to its idle state.
  • Page 29 Figure 5.0 THE OUTPUT OF THE POWER SOURCE IS CONTROLLED WARNING EXTERNALLY WHEN USING THE PLC REMOTE ACTIVATING MEMORY PROGRAM FUNCTIONS THROUGH THE REMOTE CONNECTOR SELECTS THE PROGRAM AND ENABLES THE WARNING OUTPUT WHICH IS PREPROGRAMMED INTO THAT MEMORY DO NOT CONNECT VOLTAGE OR CURRENT TO THE SIGNAL INPUTS, CAUTION THIS COULD RESULT IN DAMAGE TO THE CONTROL CIRCUITRY.

  • Page 30: Interfacing The Ac1000 With An Omnia 8006/8106

    The AC1000 may be integrated with an Associated Research, Inc. OMNIA model 8006 or 8106 to form a complete test system. In this configuration, the AC1000 acts as the DUT power source (replacing line power or an isolation transformer) during Functional Run and Line Leakage testing modes.
  • Page 31 • NOTE: The OMNIA cannot disable the AC1000 output relay. The AC1000 output relay will be enabled automatically at the start of each test but if the relay needs to be disabled it must be done manually. Under normal operation the OMNIA’s DUT-IN receptacle should be used as the system’s output relay.
  • Page 32 Figure 7.0(b) Using a line cord, connect the output of the AC1000 to the OMNIA’s DUT-IN receptacle. This connection will provide power for the DUT during Run test and Line Leakage test modes. Figure 8.0 The OMNIA’s menu system may then be used to change the AC1000’s memory location in the Run test and Line Leakage test menu screens (refer to the OMNIA 8006/8106 manual for more information).

  • Page 33: Options

    7. These locations can be toggled manually, accessed via the PLC input, and controlled from the Associated Research, Inc. OMNIA 8106. To store test parameters in a memory location, press and hold the correct combination of the M1, M2, and M3 keys until the corresponding LED’s stop flashing.
  • Page 34 Figure 9.0 7 MEMORIES SELECT TRUTH TABLE MEMORY PROGRAM # 1= Momentary Contact closure between BIT and COMMON 0= No Contact closure between BIT and COMMON ACTIVATING MEMORY LOCATIONS THROUGH THE REMOTE WARNING CONNECTOR STARTS THE TEST THAT IS PREPROGRAMMED INTO THAT MEMORY LOCATION.

  • Page 35: Calibration Procedure

    Associated Research, Inc. for its annual recertification. In order to be eligible for the extended warranty instruments must be returned to Associated Research, Inc. for certification service at least once every twelve months.

  • Page 36: Calibration Procedure

    Press and hold the CAL key (located on the back of the power source) while powering up the AC1000. After two seconds, the power source will indicate the model number and firmware version: it is now in calibration mode. Press the “^” or “v” key to select the calibration menu.
  • Page 37 Low Range Current Calibration Press the “^” or “v” key from the Frequency Display until “A-LO" is displayed. Connect a variable resistor (33.3 /300W) and a calibrated true RMS ammeter in series with the output and press the OUTPUT/RESET key. This will activate the low range offset current while outputting 100 VAC.
  • Page 38 Power Calibration Completion Once calibration is completed, turn OFF the AC1000. • NOTE: Each calibration item above can be performed independently of the others. If the full calibration procedure has to be terminated for any reason, press the P/PF key to exit the...

  • Page 39: Replacement Parts

    8. Replacement Parts List Rev: “A“ 5/25/06 ECO “5190“ Part Number Qty. Ref. Designator Description Supplied Accessories 38549 Screw for Rack Mount Handle 38794 2U Rack Mount Handle 38793 2U Rack Mount Bracket Panel Components 38021 Diode LED Red Square 38070 Universal Receptacle 7.5kv 38109...

  • Page 40: Schematic Index

    9. Schematic Index Drawing Number Description Reference Pages Designator SAC1000 Wiring Diagram CON6700 S38740 Main Control Board AMP6700 S38739 Amplifier Board DSP6800 S38741 Display Board OPT6700 S38742 Output Control Board PWR6700 S38743 Power Board REC6700 S38744 DC Filter Board REM67000 S38779 Remote Input Board...

  • Page 41: Index

    10. Index Calibration Procedure.....................ii, 31, 32, 34 Connected Steps........................8 Controls ....................i, 6, 9, 11, 12, 14, 17, 20 Default Parameters ........................ 21 Default Test Parameters......................21 Delay............................. 26 Features..........................i, 6 Frequency ..........2, 6, 12, 13, 14, 15, 18, 19, 20, 21, 22, 23, 32, 33, 34 Front Panel Controls......................
  • Page 42 Schematic.......................... ii, 36 Schematic Index........................ ii, 36 Security..........................13 Sequence ..........................8 Service Interval ........................4 Setting Test Parameters ......................21 Shield.........................11, 17, 24 Specifications ........................i, 12 Terminal....................2, 3, 9, 11, 17, 24, 35 Test Parameters ........................20 Test Station ........................i, 4, 5, 6 Unpacking..........................

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