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Hioki 3157 Manual

Hioki 3157 Manual

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  • Page 1: Table Of Contents

    Notes on Use Contents and Indications of this Manual Chapter 1 Overview 1.1 Product Introduction 1.2 Features of the 3157 1.3 Names and Functions of Parts Chapter 2 Testing Arrangements 2.1 Power Cord Connection 2.2 Powering on and off the Unit 2.3 Probe Connection...
  • Page 2 3.10 Screening (in FAIL State) Chapter 4 Optional Functions 4.1 Switching the Output Current Frequency 4.2 PASS/FAIL Hold Function 4.3 HOLD Function 4.4 Setting the Minimum Test Value 4.5 Endless Timer Function 4.6 Test Data Count Function 4.7 Buzzer Setting 4.8 Changing the Current Value in TEST State 4.9 Momentary OUT 4.9.1 Trigger Operation with Switching Probe...
  • Page 3 7.4 Displaying Errors 7.5 Resetting the System 7.6 Ultimate Disposal (Removal of the Lithium Battery) 7.7 External Dimensions Chapter 8 Specifications 8.1 Basic Specifications 8.2 General Specifications Chapter 9 Appendix 9.1 Options 9.1.1 9442 PRINTER 9.1.2 Probe 9.1.3 9613 REMOTE CONTROL BOX (SINGLE) 9.1.4 9614 REMOTE CONTROL BOX (DUAL) 9.1.5 Interface Board 9.2 Table of Optional Functions...
  • Page 5 If reshipping the unit, preferably use the original packing. Warranty HIOKI cannot be responsible for losses caused either directly or indirectly by the use of the 3157 with other equipment, or if ownership is transferred to a third party. ────────────────────────────────────────────────────...

  • Page 6: Safety Notes

    ──────────────────────────────────────────────────── Safety Notes This equipment is designed according to IEC 61010-1 Safety Standards, DANGER and has been tested for safety prior to shipment. Incorrect measurement procedures could result in injury or death, as well as damage to the equipment. Please read this manual carefully and be sure that you understand its contents before using the equipment.
  • Page 7 ──────────────────────────────────────────────────── The following symbols are used in this Instruction Manual to indicate the relative importance of cautions and warnings.  Indicates that incorrect operation presents extreme danger of DANGER accident resulting in death or serious injury to the user. Indicates that incorrect operation presents significant danger of WARNING accident resulting in death or serious injury to the user.

  • Page 8: Notes On Use

    ──────────────────────────────────────────────────── Notes on Use In order to ensure safe operation and to obtain maximum performance from the unit, observe the cautions listed below. Before turning on the power, make sure that the voltage of the power WARNING supply being used matches the supply voltage indicated on the rear panel of the unit.
  • Page 9 CAUTION 9297) is not damaged and that no bare wire is exposed. If there is damage, using the unit could cause electric shock. Contact your dealer or HIOKI representative. ・In order to avoid electric shock, turn off the power to all devices before plugging in or unplugging the measurement network or RS-232C connector.

  • Page 10: Contents And Indications Of This Manual

    ──────────────────────────────────────────────────── Contents and Indications of this Manual Chapter 1: Overview Describes an overview, features, and the names and functions of the parts of the unit. Chapter 2: Testing Arrangements Describes particulars of testing arrangements. Chapter 3: Testing Method Describes procedures for setting, testing, and test results judgement.

  • Page 11: Chapter 1 Overview

    Using a constant current system, the HIOKI 3157 provides stable output current. The unit is capable of accurate four-terminal measurement. The comparator function, timer function, and screening function permit simple testing, conforming to technical standards and regulations.

  • Page 12: Features Of The 3157

    3155 leakage current test results. (9) External I/O The external I/O terminal generates signals according to the state of the 3157. It can be used to feed signals for the start and stop key. ────────────────────────────────────────────────────...

  • Page 13: Names And Functions Of Parts

    To display the flashing cursor again, press the key. The cursor appears, displaying the preset current value. Main power switch Powers the 3157 on or off. Stand The 3157 can be tilted up by using this stand. ──────────────────────────────────────────────────── 1.3 Names and Functions of Parts...
  • Page 14 ──────────────────────────────────────────────────── Rubber keys (in READY state) Left/Right cursor key Moves the flashing cursor. The switching range is preset before shipment: Preset current value Maximum Test Value Testing time Output Frequency. The key can be set to shift to the minimum test value and the test data count, when these values are set with the optional functions.
  • Page 15 Connect the grounded three-core power cord supplied here. Integrated with a fuse holder. External I/O terminal For output of 3157 state and input of start and stop signals. Interface slot Expansion slot for installation of the optional 9593-02 RC-232C or 9518-02 GB-IB INTERFACE board.
  • Page 16 ──────────────────────────────────────────────────── 9296 CURRENT PROBE Alligator clip Clipped to the measured object. Current output plug Connected to the unit’s current output terminal. Banana-type voltage measurement plug Connected to the unit’s voltage measurement terminal. 9297 CURRENT APPLY PROBE Push switch External switch equivalent for the keys.
  • Page 17 ──────────────────────────────────────────────────── REMOTE CONTROL BOX 9613 REMOTE CONTROL BOX (SINGLE) 9614 REMOTE CONTROL BOX (DUAL) OPERATE switch Used to enable remote-control operation. When this switch is ON, the START and STOP keys for remote control are active. START key Works in the same manner as the key on the unit.
  • Page 18 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 1.3 Names and Functions of Parts...

  • Page 19: Chapter 2 Testing Arrangements

    Chapter 2 Testing Arrangements 2.1 Power Cord Connection The 3157 and the 3157-01 use different rated power voltages. Before WARNING turning on the power, make sure that the voltage of the power supply being used matches the supply voltage indicated on the rear panel of the unit.

  • Page 20: Powering On And Off The Unit

    ──────────────────────────────────────────────────── 2.2 Powering on and off the Unit Before turning on the power, make sure that the voltage of the power WARNING supply being used matches the supply voltage indicated on the rear panel of the unit. If an attempt is made to use an improper supply voltage, there is danger of damage to this unit and of life-threatening risk to the operator.

  • Page 21: Probe Connection

    ──────────────────────────────────────────────────── 2.3 Probe Connection To reduce risk of electrical accidents, avoid connecting the probe when WARNING power is being supplied to the unit and the measured object. Shut off power before connecting the probe or taking similar action. Before beginning a test, make sure that the current output terminal is securely attached.

  • Page 22: Short Bar Connection

    ──────────────────────────────────────────────────── 2.4 Short Bar Connection To reduce risk of electrical accidents, avoid connecting the short bar WARNING when power is being supplied to the unit. Shut off power before connecting the probe or taking similar action. Before beginning a test, make sure that the current output terminal is securely attached.

  • Page 23: Connecting The Remote Control Box

    ──────────────────────────────────────────────────── 2.5 Connecting the REMOTE CONTROL BOX To prevent electrical accidents, do not connect the remote-control box WARNING when the power unit and tested object are live. Before making connections, turn off the power unit and the tested object. To prevent malfunctions, do not remove the remote-control box following startup.

  • Page 24: Installation Site And Position

    ──────────────────────────────────────────────────── 2.6 Installation Site and Position Place on a stable, flat surface, using the four-footed stand. Orienting the unit vertically will block its air outlet, greatly increasing the risk of overheating. In positioning the unit, make sure the air inlet and outlet are kept open. Stand Left side view Right side view...

  • Page 25: Connection To The Measured Object

    ──────────────────────────────────────────────────── 2.7 Connection to the Measured Object To avoid burns, never touch the output current terminal, probe tip, or WARNING contact point while testing (i.e., in TEST state). Take particular care to avoid touching the tip of the current application probe, which may be quite hot when operating, due to its small surface area.

  • Page 26: Connection To The 3155 Leak Current Hitester

    Attaching optional 9593-02 RS-232C INTERFACE to 3157 enables testing when connected with 3155. 3155 sends command to 3157 to start testing and receives test results when the 3157 testing is complete. The test results can be saved and printed together with the 3155 leakage current test results.

  • Page 27: Chapter 3 Testing Method

    ──────────────────────────────────────────────────── Chapter 3 Testing Method This chapter describes the procedural flow for testing, making settings, and proper testing procedure. Read Chapter 2, "Arrangements for Testing" and make the necessary arrangements for testing. Press to display the Optional function setting screen. SHIFT STOP Setting the optional functions allows testing under various conditions.

  • Page 28: Procedural Flow For Testing And Setting Parameters

    ──────────────────────────────────────────────────── 3.1 Procedural Flow for Testing and Setting Parameters The 3157 is in one of four states: READY state The unit is ready for starting a test. The lamp is turned on. READY To enter TEST state, press the key while in READY state.
  • Page 29 ──────────────────────────────────────────────────── TEST state This state indicates that a test is underway. The lamp is turned on. The current TEST preset in the READY state is output. The current output value, a decrease in voltage, and resistance are measured and displayed. The measured values are compared against the comparator values preset in the READY state.

  • Page 30: Making Testing Arrangements (In Ready State)

    ──────────────────────────────────────────────────── 3.2 Making Testing Arrangements (in READY State) Make testing arrangements in READY state, including test parameter settings, key-locking, and zero adjustment. Saving and loading for setting data and the setting of optional functions are made following the READY state. The lamp remains lit to indicate READY state.

  • Page 31: Setting Output Current Values

    ──────────────────────────────────────────────────── 3.2.1 Setting Output Current Values (1) If no flashing cursor is displayed in the READY state, press either the key or the key to display the cursor while the output current value is lit. (2) Change output current values using the keys.

  • Page 32: Setting The Testing Time

    ──────────────────────────────────────────────────── The minimum test value can be set using the minimum test value setting function (see Section 4.4). Once a minimum test value is set, both minimum and maximum values are provided for resistance or voltage. To set a minimum test value, activate the optional minimum test value setting function.

  • Page 33: Setting The Output Current Frequency (In Ready State)

    ──────────────────────────────────────────────────── The endless timer function allows continuous testing regardless of the testing time set (see Section 4.5). The test automatically stops after the lapse of 999 s while the testing time NOTE setting can be disabled by using the key. ON/OFF 3.2.4 Setting the Output Current Frequency (in READY State) If the optional test data count function is activated, the output current...

  • Page 34: Initial Settings For Optional Functions

    For more information on the settings, see Chapter 4, "Optional Functions." 10 11 The optional functions of the 3157 are factory-preset to the following settings: Setting item Initial setting 1 Switching the output current 0: 50 Hz...

  • Page 35: Zero Adjustment Function

    ──────────────────────────────────────────────────── 3.4 Zero Adjustment Function Measurements may be affected by a voltage drop in the probe. Zero adjustment is necessary for accurate measurement, especially when measuring with two terminals using the short bar. The 0ADJ lamp is lit while the zero adjustment function is active.

  • Page 36: Key-Lock Function

    ──────────────────────────────────────────────────── 3.5 Key-lock Function This function is used to keep lock the current set values. It inactivates all keys except the key, key, and the resistance/voltage switch. START STOP The KEYLOCK lamp is lit while the key-lock function is active. Key-lock indicator Setting and inactivating the key-lock function To activate the key-lock function, press...

  • Page 37: Examples Of Settings

    ──────────────────────────────────────────────────── 3.6 Examples of Settings Output current value set: 25.0 A, Maximum test value: 0.100 Ω, Testing time: 1 minute. Assume that "0: not set" is selected for "Minimum test value setting," "Timer setting," and "Test data count" on the optional functions. The following provides an example of changing set values.
  • Page 38 ──────────────────────────────────────────────────── When the voltage indicator is displayed, or to set in a voltage value, first switch to the resistance indicator, then set the maximum and minimum test values. Press (Ω/V) to switch between resistance and voltage SHIFT ON/OFF indicators. (3) Setting the testing time Using the key, move the flashing cursor to the testing time.

  • Page 39: Starting A Test

    ──────────────────────────────────────────────────── 3.7 Starting a Test Before beginning a test, make sure that the current output terminal is WARNING securely attached. Passing a large current through a loosened terminal may overheat the terminal. To avoid burns, never touch the output current terminal, probe tip, or contact point while testing (i.e., in TEST state).
  • Page 40 ──────────────────────────────────────────────────── Forcible ending of a test To perform forcible ending of a test, press the key. This stops current STOP output, and the unit enters READY state. No screening operation is performed. The value at which to forcibly end the test can be held using the hold function (see Section 4.3).

  • Page 41: Testing (In Test State)

    ──────────────────────────────────────────────────── 3.8 Testing (in TEST State) TEST state indicates that the unit is performing a test. Be careful not to cause electrical shock by touching the terminal or other parts though which the current (the value of which has been set in READY state) is passing. Measured current value Indicates the current value being output.

  • Page 42: Screening (In Pass State)

    ──────────────────────────────────────────────────── 3.9 Screening (in PASS State) The unit enters PASS state when either the maximum or minimum test value is set, and when the test is completed. The lamp lights while in PASS PASS state, displaying the value established at the end of the testing period. The PASS state screen is displayed for about 0.5 second before the unit resumes READY state.

  • Page 43: Screening (In Fail State)

    ──────────────────────────────────────────────────── 3.10 Screening (in FAIL State) The unit enters FAIL state if the measured value deviates from the maximum (or minimum) test value set. The FAIL state indicates the time at which the measured value deviated from the maximum (or minimum) value. The lamp lights together with the FAIL or the...
  • Page 44 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 3.10 Screening (in FAIL State)

  • Page 45: Chapter 4 Optional Functions

    ──────────────────────────────────────────────────── Chapter 4 Optional Functions Setting the optional functions allows testing under various conditions. Settings can be made for the following eleven optional functions. One number is assigned to each function. Settings are made by changing the number by moving the cursor key. Since improper settings can produce inaccurate results, this chapter explains the correct way to make settings.
  • Page 46 ──────────────────────────────────────────────────── PASS/FAIL hold function This function retains PASS and FAIL states to help verify the value screened in the test. Selection 0: PASS not held, FAIL held 1: PASS held, FAIL held 2: PASS not held, FAIL not held 3: PASS held, FAIL not held Hold function When the hold function is set in the following cases, the current state is retained:...
  • Page 47 ──────────────────────────────────────────────────── Momentary OUT The momentary OUT function allows current output only while the key is held down. Once this function is set, working with the START 9297 CURRENT APPLY PROBE requires different procedures. Selection 0: Not set (Trigger operation), 1: Set (Momentary OUT operation) Test mode Soft start mode, normal mode and continuous test mode can be set.

  • Page 48: Switching The Output Current Frequency

    ──────────────────────────────────────────────────── 4.1 Switching the Output Current Frequency Changes the output current frequency. When the optional test data count function is set to "1: Not set," the output current frequency set in the READY state is displayed and can be changed. If you change the frequency in the READY state, the output current frequency can be changed automatically in the optional function setting screen.

  • Page 49: Pass/Fail Hold Function

    ──────────────────────────────────────────────────── 4.2 PASS/FAIL Hold Function If the maximum or minimum value has been set, this function retains the value for the PASS or FAIL state on test completion. If the PASS or FAIL hold function is not selected, the test result is displayed for about 0.5 second before the unit reverts to the READY state.

  • Page 50: Hold Function

    ──────────────────────────────────────────────────── 4.3 HOLD Function If a test is conducted with both the maximum test value and the minimum test value turned off, the unit enters the READY state as soon as test time elapses (after the lapse of 999 s if the testing time is set to OFF), or if the test is aborted with the key.
  • Page 51 ──────────────────────────────────────────────────── Differences between PASS/FAIL hold and hold functions ･ Unless the test reference value is set, PASS/FAIL screening is not performed. ･ If a test is conducted with both the maximum test value and the minimum test value turned off, the unit enters the READY state as soon as test time elapses (after the lapse of 999 s if the testing time is set to OFF).

  • Page 52: Setting The Minimum Test Value

    ──────────────────────────────────────────────────── 4.4 Setting the Minimum Test Value If the minimum test value is set to "0: Not set," the flashing cursor does not move to the minimum test value, thus disabling test settings. If the minimum test value is set to "1: Set," both maximum and minimum test values may be set.

  • Page 53: Endless Timer Function

    ──────────────────────────────────────────────────── 4.5 Endless Timer Function In setting the endless timer, if "1: Set" is selected, currents are continually output in the TEST status regardless of the test time elapsed. In the READY state "- - -" is displayed for the test time, and the cursor stops moving to "Test Time."...

  • Page 54: Test Data Count Function

    ──────────────────────────────────────────────────── 4.6 Test Data Count Function Use the test data count function to display the number of test data. The test begins with "the number of test data: 1." The number increments by one each time a test completes. Once the maximum number of data is attained, counting restarts at "1."...

  • Page 55: Buzzer Setting

    ──────────────────────────────────────────────────── 4.7 Buzzer Setting The buzzer function is enabled in PASS or FAIL state, or when an error occurs with setting or key operation. When the buzzer is set to ON, the sound of the buzzer cannot be controlled. The sound is disabled when the buzzer is set to OFF. Setting procedure (1) Press while in READY state to display the Optional function...

  • Page 56: Changing The Current Value In Test State

    ──────────────────────────────────────────────────── 4.8 Changing the Current Value in TEST State Selecting "1: Changeable" makes it possible to change the output current value during testing in 0.1 A increments, using the keys. To change the value by 1.0 A, press keys. SHIFT The output current value can be set from 3.0 A to 31.0 A.

  • Page 57: Momentary Out

    ──────────────────────────────────────────────────── 4.9 Momentary OUT The momentary OUT function allows current output only while the START key is held down. Releasing the key is equivalent to pressing the START key and ends the test. STOP Keep the key depressed until the test time elapses. After the test START time elapses, the unit enters the READY or PASS state, depending on the optional settings.

  • Page 58: Trigger Operation With Switching Probe

    ──────────────────────────────────────────────────── 4.9.1 Trigger Operation with Switching Probe When in the READY state, the push switch performs the same functions as key. START When not in the READY state, the push switch performs the same functions as the key. Pressing the push switch in the TEST state is equivalent STOP to pressing the key and ends the test.
  • Page 59 ──────────────────────────────────────────────────── (2) When the test is aborted: To start the test, press the push switch while in the READY state. The test is aborted if the push switch is pressed before the preset test time elapses, with the unit then entering the READY state. To restart the test, press the push switch.

  • Page 60: Momentary Out Operation With Switching Probe

    ──────────────────────────────────────────────────── 4.9.2 Momentary OUT Operation with Switching Probe The momentary OUT function allows current output only while the push switch is held down. Releasing the push switch is equivalent to pressing the key and ends the test. STOP A test ends when the test time elapses, even if the push switch is held down. Depending on the settings, the unit enters either the READY or PASS state.
  • Page 61 ──────────────────────────────────────────────────── (2) When the test is aborted: To start the test, press the push switch while in the READY state. The TEST state is maintained as long as the push switch is held down. The test is aborted if the push switch is released before the preset test time elapses, with the unit then entering the READY state.
  • Page 62 ──────────────────────────────────────────────────── Preset test time State of the unit Push switch START STOP START (Start the test) (Release the (Start the test) hold state) ──────────────────────────────────────────────────── 4.9 Momentary OUT...

  • Page 63: Setting The Test Mode

    ──────────────────────────────────────────────────── 4.10 Setting the Test Mode Soft start mode, normal mode and continuous test mode can be set. Setting procedure (1) Press while in READY state to display the Optional function SHIFT STOP setting screen. (2) Use the keys to move the flashing cursor to the position shown in the figure.
  • Page 64 ──────────────────────────────────────────────────── Flow of operation in Soft start mode ･Press the STOP key to abort a test. ･More than 30 seconds elapse. Press the START key to start a test. The unit enters the stand-by state (as indicated by a blinking TEST lamp).

  • Page 65: Normal Mode

    ──────────────────────────────────────────────────── 4.10.2 Normal Mode Select normal mode if the anticipated load resistance is 0.200 Ω or greater. In normal mode, press the key in READY state while the soft start START function is in the stand-by state (as indicated by a blinking lamp).

  • Page 66: Continuous Test Mode

    ──────────────────────────────────────────────────── 4.10.3 Continuous Test Mode Unlike the soft start mode, the continuous test mode places the unit into the hold state if the probe is detached from the measured object, suspending output. To restart the test, cancel the hold state and connect the probe to the measuring object.
  • Page 67 ──────────────────────────────────────────────────── Flow of operation in Continuous test mode ･Press the STOP key to abort a test. ･More than 30 seconds elapse. Press the START key to start a test. The unit enters the stand-by state (as indicated by a blinking TEST lamp).

  • Page 68: Printer Output

    ──────────────────────────────────────────────────── 4.11 Printer Output You can print test parameters and results with the optional 9442 PRINTER. This printer offers the following two print modes. When "0: Not used" is selected, the printer will not print, even if connected. When "1: Automatically print for PASS/FAIL screening" is selected, press the key for about two seconds in the READY state to print the test results.
  • Page 69 MAX DATA # Maximum number of test data (Not printed for OFF) Test result printing Model name HIOKI 3157 GROUNDING This is printed if the test data count function is not used or if the number of test data is 1.)

  • Page 70: Example Of Optional Function Settings

    ──────────────────────────────────────────────────── 4.12 Example of Optional Function Settings We assume that the 3157 is in the READY state and that the minimum test value setting function and the test data count function are inactive. The following example shows how to set the number of test data to "5," after activating the minimum test value setting and test data count functions.
  • Page 71 ──────────────────────────────────────────────────── (4) Next, using the keys, change "Test data count" from "0: Set" to "1: Not set." In "Test data count," change the sixth number from the left to "1." When "Test data count" is activated, the screen shifts to allow you to set a maximum value for the number of test data.

  • Page 72: Example Of Optional Functions Use

    ──────────────────────────────────────────────────── 4.13 Example of Optional Functions Use The following describes how 3157 optional functions are used in testing. Varying combinations of optional functions are available for testing. (1) Testing to check test results, using the 3157 Optional function settings Optional function...
  • Page 73 ──────────────────────────────────────────────────── (3) Continuous test mode using the 9297 CURRENT APPLY PROBE Optional function settings Optional function Selection PASS/FAIL hold function 2: PASS not held, FAIL not held Hold function 0: Not held Test data count function 1: Set Test mode 2: Continuous test mode Printer output 1: Automatically print for...
  • Page 74 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 4.13 Example of Optional Functions Use...

  • Page 75: Chapter 5 Saving/Loading Preset Values

    ──────────────────────────────────────────────────── Chapter 5 Saving/loading Preset Values 5.1 Saving Preset Values The following describes a function used to save values set in the READY state. Up to twenty parameters may be saved. To retrieve saved data, follow the procedures described in Section 5.2, "Loading Preset Values." Preset current value Shows the preset current value for the set data being displayed.

  • Page 76: Procedure For Saving Data

    ──────────────────────────────────────────────────── 5.1.1 Procedure for Saving Data To select a preset value to be saved, the unit must be in the READY state. Preset values cannot be changed in the save screen. The following six parameters may be saved: Preset current value Maximum test value Minimum test value Test time...

  • Page 77: Example Of Saving

    5.1.2 Example of Saving The following example shows how to save in File No.3. We assume that the 3157 is in the READY state. (1) In the READY state, set the preset value to save. For more information on making these settings, see Chapter 3, "Testing Method."...
  • Page 78 ──────────────────────────────────────────────────── (3) Use the keys to select File No.3. This example shows File No. 1. Press the key twice to display File No.3. (4) Use the keys to check maximum and minimum test values. In this example, File No. 3 contains the following settings. Preset current value 30.0 A Maximum test value 3.00 V Minimum test value...

  • Page 79: Loading Preset Values

    ──────────────────────────────────────────────────── 5.2 Loading Preset Values The following describes how to load saved data. Twenty preset values may be saved. Use this function to instantly change a preset value. Preset current value Shows the preset current value for the set data being displayed. Maximum value icon and minimum value icon The symbol appears when the maximum test value is displayed, and the...

  • Page 80: Procedure For Loading Data

    ──────────────────────────────────────────────────── 5.2.1 Procedure for Loading Data Before loading, carefully read Section 5.1, "Saving Preset Values" and prepare the data to be saved. The following are factory-set data. Preset current value 25.0 A 0.100 Ω (2.5 V) Maximum test value Minimum test value OFF (OFF) Testing time 60.0 s...

  • Page 81: Example Of Loading

    This value is valid when the unit reverts to the READY state from the load screen without loading data. 5.2.2 Example of Loading The following example shows how to load File No.3. We assume that the 3157 is in the READY state. (1) Press to bring up the load screen.
  • Page 82 ──────────────────────────────────────────────────── (3) Use the keys to check maximum and minimum test values. In this example, File No. 3 contains the following settings. Preset current value 30.0 A Maximum test value 2.00 V Minimum test value 0.10 V Testing time 5.0 s (4) To load the data, press .

  • Page 83: Chapter 6 External I/O

    ──────────────────────────────────────────────────── Chapter 6 External I/O Both output signals regarding the status of the 3157 (e.g., READY state) and input signals to the key and the key are controlled through the START STOP external I/O terminal, located at the back of the unit.

  • Page 84: Signal Line

    ──────────────────────────────────────────────────── 6.1 Signal Line The following external I/O connectors are used. Connector used Honda communication Co. ADS-B36BLFDR116 36-pin receptacle Compatible connector Honda communication Co. ADS-HC360001-010 ADS-B36LMR ADS-B36LMR2 ADF-36MR ADF-36RMR 36-pin 18･･･ ･･･1 36･･･ ･･･19 External I/O connector pin numbering Pin number Signal line name Pin number Signal line name ―――――――...
  • Page 85 ──────────────────────────────────────────────────── Function of the signal line Signal line name Function ――――――― LO in the READY state READY ――――――― LO in the FAIL state at LOWER (minimum value) L-FAIL ――――――― LO in the FAIL state at UPPER (maximum value) U-FAIL ―――――― LO in the PASS state PASS ――――――...
  • Page 86 ──────────────────────────────────────────────────── The insulation of the signal lines is for eliminating mutual influences between the signals. Any external device which is connected to the 3157 unit should always be properly protectively grounded. If proper connection to a protective ground is not established, there is a danger of damage to the insulation.

  • Page 87: Timing Chart Of External I/O Terminal

    ──────────────────────────────────────────────────── 6.2 Timing Chart of External I/O Terminal (1) Timing chart at time of start of testing ――――――― ――――――― When a test starts, the READY signal indicates HI and the TEST signal indicates LO. ――――――― The TEST signal changes according to the indicator on the fluorescent TEST display, indicating LO at zero adjustment as well as during testing.
  • Page 88 ──────────────────────────────────────────────────── ――――――― READY ―――――― TEST ―――――― PASS ――――――― U-FAIL ――――――― L-FAIL (3) Timing chart when testing is aborted No test determination is returned if the key is pressed to abort testing, STOP or if the testing duration passes without settings for maximum test value or minimum test value.

  • Page 89: Chapter 7 Maintenance, Inspection And Ultimate Disposal

    ・If the unit is not functioning properly, check the "Troubleshooting" list. If a problem is found, contact your dealer or HIOKI representative. Pack the unit carefully so that it will not be damaged during transport, and write a detailed description of the problem.

  • Page 90: Fuse Replacement

    ──────────────────────────────────────────────────── 7.2 Fuse Replacement To prevent electric shock when replacing the power source fuse, always WARNING turn the power switch off and disconnect the power cord and probe before beginning. Only use fuses of the specified type that is rated for the specified current and voltage.

  • Page 91: Troubleshooting

    ・If the unit was damaged in transit. 7.4 Displaying Errors If an error occurs, the 3157 displays the following on the screen. If this indication appears, shut off power and start up again. If the same indication appears, an internal circuit may be defective. Continuing after an error message displayed can be dangerous.

  • Page 92: Resetting The System

    ──────────────────────────────────────────────────── 7.5 Resetting the System Resetting the system While pressing the key, press the main power switch to turn on power. SHIFT Parameters after resetting the system When the system is reset, the following parameters are initialized. (1) Testing set values and saved data Preset current value 25.0 A 0.100 Ω...

  • Page 93: Ultimate Disposal (Removal Of The Lithium Battery)

    Procedure (1) Turn OFF the power switch, and disconnect the power cord and probe. (2) Remove the four feet (fastened with eight screws) at the back of the 3157 and the two screws on the handle on the right side.

  • Page 94: External Dimensions

    ──────────────────────────────────────────────────── 7.7 External Dimensions 320±2 34±1 25±5 263±2 ──────────────────────────────────────────────────── 7.7 External Dimensions...

  • Page 95: Chapter 8 Specifications

    ──────────────────────────────────────────────────── Chapter 8 Specifications 8.1 Basic Specifications Current generator Current generating method PWM constant current control 3.0 A to 31.0 AAC (resolution of 0.1 A) at a resistance of 0.1 Ω. Current preset range Current preset accuracy ±(1% of setting + 0.2 A) within maximum output power. Maximum output power 130 VA (on output terminal) * Open terminal voltage...
  • Page 96 ──────────────────────────────────────────────────── dgt. (resolution) Signifies the smallest display unit on a digital measuring instrument, i.e., the value displayed when the last digit on the digital display is "1". Timer ON preset: Displays remaining time by counting down from the preset time OFF preset: Displays elapsed time Setting range 0.5 s to 999 s...

  • Page 97: General Specifications

    Backup battery lifetime Average of 10 years (at 25℃ reference value) 100 to 120 VAC (3157) Rated power voltage range 100 to 120 VAC / 200 to 240 VAC (3157-01) Rated power frequency 50 to 60 Hz Dielectric strength 1.35 kVAC, 20 mA, 1 minute between power supply and frame...
  • Page 98 ──────────────────────────────────────────────────── 9296 CURRENT PROBE Rated voltage 30 VAC or 60 VDC 30 AAC or 30 ADC Rated current Dielectric strength 400 VAC, 1 mA, 1 minute Between current and voltage, and coated cable Test point Operating temperature and 0 to 40℃ (32 to 104 F), 90% R.H. max. (no condensation) humidity range -10 to 50℃...

  • Page 99: Chapter 9 Appendix

    *9443-02 PW-4007-E1 Seiko Instruments Inc. (for EU) *9443-03 PW-4007-U1 Seiko Instruments Inc. (for U.S.A.) ･ The 9442 is shipped with the function settings for use with the HIOKI 3166 NOTE CLAMP ON POWER HiTESTER. Before using, always change the settings of the DIP switches.

  • Page 100: Probe

    ──────────────────────────────────────────────────── 9.1.2 Probe The 9296 CURRENT PROBE (with alligator clip) and 9297 CURRENT APPLY PROBE are available. Use two sets of the 9296 or a single combined set of 9296 and 9297. An external switch can be used for the 9297 CURRENT APPLY PROBE. 9296 CURRENT PROBE 9297 CURRENT APPLY PROBE 9.1.3 9613 REMOTE CONTROL BOX (SINGLE)

  • Page 101: 9614 Remote Control Box (Dual)

    ──────────────────────────────────────────────────── 9.1.4 9614 REMOTE CONTROL BOX (DUAL) Unlike the 9613, the 9614 REMOTE CONTROL BOX (DUAL) has two START keys. Pressing both keys is equivalent to pressing the START key on the unit. By using the Momentary-OUT function in Optional Functions, the 9614 allows the control box to be used with both hands, thus ensuring safer testing.

  • Page 102: Table Of Optional Functions

    ──────────────────────────────────────────────────── 9.2 Table of Optional Functions The following shows the optional functions. For more information on settings, see Chapter 4, "Optional Functions." 10 11 Optional function Selection (1) Switching the output current 0: 50 Hz frequency 1: 60 Hz (2) PASS/FAIL hold function 0: PASS not held, FAIL held 1: PASS held, FAIL held 2: PASS not held, FAIL not held...

  • Page 103: Standards

    ──────────────────────────────────────────────────── 9.3 Standards Medical electrical equipment - Part 1: General requirements for safety (IEC 60601-1) Test current: A current of 25 A or 1.5 times the rated current of the EQUIPMENT, whichever is greater (±10%), from current source with a frequency of 50 Hz or 60 Hz with a no-load voltage not exceeding 6 V Test time: 5 s to 10 s Test point: Through the PROTECTIVE EARTH TERMINAL or the protective earth...
  • Page 104 ──────────────────────────────────────────────────── Safety of information technology equipment (IEC 60950) Test current: The test current is 1.5 times the current capacity of any HAZARDOUS VOLTAGE circuit at the point where failure of BASIC INSULATION would make the earthed part live. The test voltage does not exceed 12 V and the test current can be either a.c.
  • Page 105 INDEX 1 ──────────────────────────────────────────────────────── Index FAIL state - A - 19, 33 File number 65, 66, 69 Alligator clip Flashing cursor 4, 20, 35 Forcible ending - B - Four-terminal measurement Fuse 80, 81 Banana-type voltage measurement plug 6, 11 - H - Buzzer 18, 24, 36, 45, 82, 92 Hold function...
  • Page 106 INDEX 2 ──────────────────────────────────────────────────────── Minimum test value 18, 21, 24, 36, 42, 66, 70, 82, 92 - T - Minimum value icon 31 to 33, 65, 69 Momentary OUT 18, 24, 37, 47, 50, 82, 92 Test data count 18, 23, 24, 36, 44, 82, 92 Testing time 18, 22, 82 - N -...

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