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EEC ESD-140 Operation Manual

Dc ground bond tester
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ESD-140
DC Ground Bond Tester
Operation Manual
E 1.01

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  • Page 1 ESD-140 DC Ground Bond Tester Operation Manual E 1.01...
  • Page 3 This warranty does not cover batteries or accessories not of eec manufacture. Parts used must be parts that are recommended by eec as an acceptable specified part. Use of non-authorized parts in the repair of this instrument will void the warranty.
  • Page 4 Compliance Information Conforms with the following product standards: EMC Standard EN 55011:2009+A1 EN 61326-1:2013 The product is intended for use in non-residential/non-domestic environments. Use of the product in residential/domestic environments may cause electromagnetic interference. Connection of the instrument to a test object may produce radiations beyond the specified limit. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS ESD-140 DC Ground Bond Tester Operation Manual ............i 1. Introduction ........................2 1.1 Safety Symbols ......................2 1.2 Glossary of Terms ....................2 1.3 Safety ........................3 1.4 Key Features and Benefits: ESD ................6 2. Getting Started ....................... 8 2.1 Unpacking and Inspection ..................

  • Page 6: Introduction

    1. Introduction 1.1 Safety Symbols 1.1.1 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. Product will be marked with this symbol when hazardous voltages may be present.

  • Page 7: Safety

    Dielectric: An insulating material that is positioned between two conductive materials in such a way that a charge or voltage may appear across the two conductive materials. Direct Current, DC: Current that flows in one direction only. The source of direct current is said to be polarized and has one terminal that is always at a higher potential than the other.
  • Page 8 The instrument, its power cord, test leads, and accessories must be returned at least once a year to eec customer support department for calibration and inspection of safety related components. eec will not be held liable for injuries suffered if the instrument is not properly maintained and safety checked annually.
  • Page 9 Keep the area clean and uncluttered. All test equipment and test leads not necessary for the test should be removed from the test bench and put away. It should be apparent to both the operator and to any observers, the product that is being tested and the product that is waiting to be tested, or has already been tested.

  • Page 10: Key Features And Benefits: Esd

    1.3.4 Instrument Connections Never perform a hipot test on energized circuitry or equipment. WARNING The instrument is equipped with a safety ground connection, be sure that this is connected to a good earth ground. Always connect the return lead first, regardless of whether the item under test is a sample of insulating material, a component tested with the high voltage test lead, or a cord-connected device with a two or three prong plug.
  • Page 11 and Dielectric Withstand tests, or run both simultaneously. FOUR WIRE MEASUREMENT The Kelvin four wire measurement technique eliminates test lead resistance. The milliohm (KELVIN METHOD) AND offset function allows for the use of longer test MILLIOHM OFFSET leads without compromising the test results. CAPABILITY Two standard 9 pin interfaces provide inputs and PLC REMOTE INPUTS AND...

  • Page 12: Getting Started

    2. Getting Started This section contains information for the unpacking, inspection, preparation for use and storage of your eec product. 2.1 Unpacking and Inspection 2.1.1 Packaging Your instrument was shipped in a custom foam insulated container. If the shipping carton is damaged, inspect the contents for visible damage such as dents, scratches or a broken display.

  • Page 13: Installation

    For operation at 120 and 240 Volts AC use a 10A, 250VAC slow-blow fuse. ESD-140 max. rated power is 850VA. 2.2.3 Basic Connections Power Cable The instrument is shipped with a line cord containing a protective earth ground.
  • Page 14 Storage and Shipping Environment This instrument may be stored or shipped in environments with the following limits: Temperature....-40°- 75°C Altitude....…..25000 feet (7,620 meters) The instrument should also be protected against temperature extremes that may cause condensation within the instrument. Ventilation: Do not block any ventilation openings, insure that there is at least 6 inches (15 cm) of space from the rear panel to any wall or obstruction behind the unit.

  • Page 15: Specifications And Controls

    3. Specifications and Controls 3.1 Specifications MODEL ESD-140 GROUND BOND Output DC Current 1 - 40A Output DC Voltage 8V, Maximum SETTINGS Range 0 - 600 0 - 200 0 - 150 DC Current 1.00 - 10.00A 10.01 - 30.00A 30.01 - 40.00A...
  • Page 16 × 1 Ground Bond Test Lead × 1 40A ,1.6m (1137) Ground Bond Return Lead × 1 40A ,1.6m (1138) *product specifications are subject to change without notice. 【Ordering Information】 ESD-140 DC Ground Bond Tester (40A / 8V) OPT.781 RS232 Interface...

  • Page 17: Instrument Controls

    3.2 Instrument Controls 3.2.1 Front Panel Controls 1. RESET BUTTON: Momentary contact switch used to reset the instrument. If a failure condition occurs during a test, you will need to reset the system to shut off the alarm and signal the system that you are aware of a failure condition. The reset button must be pressed before you can proceed to the next test or change any of the set-up parameters.
  • Page 18 10. RETURN OUTPUT JACK: Connector used to attach the Return test lead, adapter box, or test fixture to the instrument. 3.2.2 Rear Panel Controls 1. RS-232 CONNECTOR: 9-Pin D subminiature connector for interconnection to RS- 232 Bus interface. 2. FUSE RECEPTACLE: To change the fuse, unplug the power (mains) cord and turn the fuse receptacle counter-clockwise.

  • Page 19: Programming Instructions

    5.2. Perform Tests, Main Menu, and Results Screens 4.1.1 Memory, Step, and Connected Step Indicator When in the Perform Tests screen, the ESD-140 will indicate the current memory location (M0–M9) and step number (1-3) in the upper-left part of the screen (i.e. M3-2).

  • Page 20: System Setup

    Step Each of the 10 memory locations in ESD-140 has 3 programmable test steps that may be connected together to create a multi-step test sequence. Press the “Step” soft key to increment the test step number. 4.1.3 Results, Tests and System Selections From the Main Menu, press the “Menu”...
  • Page 21 4.2.1 System Setup Soft Keys Directional soft keys ,,  The “,, ” soft keys are used to scroll the cursor to the different system parameters. + key The “+” soft key is used to increase numerical values or toggle settings ON and OFF. Exit key The “Exit”...
  • Page 22 LCD Contrast The numbers 0 through 9 correspond to the different contrast settings, 0 meaning the lightest color of displayed characters and 9 meaning the darkest color of displayed characters. After the “+” soft key is pressed the display will automatically adjust to the new display setting.
  • Page 23 The Hipot Start parameter is only used when connecting the Ground Bond Tester with an eec Hipot tester. If GW is selected, the Hipot test will run after the Ground Bond Tester has completed its test. If G + W is selected, the Hipot test will run at the same time as the Ground Bond Tester.
  • Page 24 to select the field within the date you want to edit. Use the “+” soft key to change the numeric value. Once you change the value it is automatically stored. Date Within the Set Date parameter are four fields, date format (mdy / dmy), month, day, and year.

  • Page 25: Test Setup

    4.2.4 Memory, Step, and Default System Parameter Restore Restoring the instrument’s System parameters will overwrite all WARNING memories and steps with ACW default parameters! Press the two bottom soft keys and power the instrument at the same time, then press the soft key next to the word “Yes”.
  • Page 26 Exit key The “Exit” soft key is used to return to the Test Parameter Review screen and the Perform Tests screen. 4.3.2 Test Parameters Use the directional soft keys, “, ” to navigate the test parameters during reviewing and editing. The directional soft keys will change depending on which parameter the cursor is pointing to.
  • Page 27 PARAMETER VALUE Current 25.00A Max Lmt (current) 100m Min Lmt (current) 0m Dwell 1.0s Offset 0m Connect 4.3.4 Setting Up a Test From the Test Parameters Review screen scroll the cursor using the “” and “” soft keys to the Current parameter. Press the “Edit” soft key. Increase or decrease the Current parameter using the up and down arrow keys.

  • Page 28: Operating

    SENSE+ receptacle. Next, connect the other end of the leads to the earthing contact (usually the ground conductor connection point for the Line cord inlet). Connect the Return lead to the Return receptacle on the ESD-140, then connect the Kelvin lead (smaller gauge wire captured in the same sleeve) to the SENSE- receptacle.

  • Page 29: Performing A Test

    5.2 Performing a Test 1. From the Main Menu, select the memory and step you wish to perform then press the “Exit” soft key to return to the Perform Tests screen. 2. Attach the appropriate load or DUT to the instrument. Refer to section 5.1. Instrument Connections for instrument connections.
  • Page 30 Abort: This message appears on the display, if the test in process is aborted with the RESET button or remote Reset control. Max-Fail: This message appears on the display if the measured reading exceeds the Max Lmt current setting of the Ground Bond test, or Max Lmt resistance setting of the Insulation Resistance test.

  • Page 31: Connection Remote I/O

    6. Connection Remote I/O Two 9 pin D-type connectors mounted on the rear panel provide REMOTE-INPUT- OUTPUT control and information. These connectors mate with a standard 9 pin D- type subminiature connector provided by the user. The output mates to a male (plug) connector while the input mates to a female (receptacle) connector.

  • Page 32: Remote Signal Inputs And Memory Access

    The Hipot Start parameters main purpose is to control the sequential timing between Ground Bond Tester and a connected eec Hipot. The parameter controls if the Hipot will run after the Ground Bond Tester has completed its test, GW, or if the Hipot will run at the same time as the Ground Bond Tester, G + W.
  • Page 33 select bits should be set simultaneously and remain set for a minimum of 20ms to guarantee that the correct memory will be selected. ACTIVATING MEMORY PROGRAM FUNCTIONS THROUGH THE WARNING REMOTE CONNECTOR, SELECTS THE PROGRAM AND STARTS THE TEST WHICH IS PREPROGRAMMED INTO THAT MEMORY DO NOT CONNECT VOLTAGE OR CURRENT TO THE SIGNAL CAUTION INPUTS, THIS COULD RESULT IN DAMAGE TO THE CONTROL...
  • Page 34 If you attempt to start a test from the front panel TEST button and the PLC remote function is turned “ON”, a pop-up message will be displayed. Ground Bond Tester Connected to HIPOT Tester The following illustration and should be used to configure the ESD-140 for integrated operation with 7142: White 1218...
  • Page 35 The Hipot Start parameter is only used when connecting the Ground Bond Tester with an eec HIPOT Tester. The parameter determines if the Hipot will run after the Ground Bond Tester has completed its test, GW, or if the Hipot will run at the same time as the Ground Bond Tester, G + W.

  • Page 36: Bus Remote Interface

    7. Bus Remote Interface RS-232 Interface The RS-232 cabling should be configured as follows for a 9-pin serial port interface: Instrument RS-232 Port PC / Bus Controller The COM port should have the following configuration: 19200 baud 8 data bits 1 stop bit No parity This interface does not support XON/XOFF protocol or any hardware handshaking.
  • Page 37 Bond Tester. Braces ({ }) enclose each parameter for a command string. Triangle brackets (< >) indicate that you must substitute a value for the enclosed parameter. The Pipe ( | ) is used to separate different parameter options for a command. The command and the parameter data must be separated with a space.
  • Page 38 Test Parameter Editing commands section for the proper values. The parameter values should use complete text and not use the coded values that are eec with the individual parameter setting commands such as "ON" and "OFF" for toggle field.
  • Page 39 Query Commands These query commands will retrieve data from the instrument. These commands include functions for retrieving test data, test results and remote hardware. COMMAND NAME VALUE List Testing Data from test in Process Data RD <step number>? Result Data Query SALL? List Step...

  • Page 40: Instrument Verification

    8. Instrument Verification Verification is the process by which an instrument’s failure detectors are proven to be functioning properly by performing basic tests in open and short circuit conditions. Verifying the failure detection circuitry of the electrical safety tester is required by safety agencies such as CSA, UL, and TUV.
  • Page 41 If the instrument fails the Verification (test pass, indicating the fail detectors are not working properly) the following message will appear:...

  • Page 42: Calibration Procedure

    You will find in this manual a copy of the "Certificate of Calibration". It is recommended that you have this instrument recertified at least once per year. eec recommends you use "Calibration Standards" that are NIST traceable or traceable to agencies recognized by NIST to keep this instrument within published specifications.
  • Page 43 9.1.2 Calibration of Ground Bond DC Current...

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