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QuadTech Guardian 2500 Series Instruction Manual

Ac/dc/ir hipot tester
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The material in this manual is for informational purposes only and is subject to change, without notice.
QuadTech assumes no responsibility for any error or for consequential damages that may result from the
misinterpretation of any procedures in this publication.
Potentially dangerous voltages may be present on front and rear panel terminals. Follow all warnings in
this manual when operating or servicing this instrument. Dangerous levels of energy may be stored in
Always make sure the high voltage indicator is not on when connecting or disconnecting the device under
Product will be marked with this symbol (ISO#3684) when it is necessary for the user to refer to
the instruction manual in order to prevent injury or equipment damage.
Product marked with this symbol (IEC417) indicates presence of direct current.
Product will be marked with this symbol (ISO#3684) when voltages in excess of 1000V are
present.
QuadTech, Inc., 1999
Domestic Sales
www.quadtech.com
WARNING
capacitive devices tested by this unit.
test.
Guardian 2500 Series
AC/DC/IR Hipot Tester
Instruction Manual
800-253-1230
Form 150319/A8

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Summary of Contents for QuadTech Guardian 2500 Series

  • Page 1: Introduction - Section

    The material in this manual is for informational purposes only and is subject to change, without notice. QuadTech assumes no responsibility for any error or for consequential damages that may result from the misinterpretation of any procedures in this publication.
  • Page 2 Page 2 of 2...

  • Page 3: Table Of Contents

    Contents Warranty ......................7 Specifications ......................9 Accessories ......................13 Safety Precautions....................17 Condensed Operating ....................19 Installation and Power Up Selecting Test Conditions Recalling Setups/Preprogrammed Test Conditions Modifying/Programming Test Conditions Implementing Measure Offset Connection Using Test Leads Connection Using Corded Product Adapter Connection to S50 Using Corded Product Adapter Initiating Tests Introduction - Section 1 Unpacking/Inspection ..................29...
  • Page 4 Contents (continued) Programming Sequence Tests................46 1. Sequence Test #1 ..................46 2. Sequence Test #2 ..................47 3. Sequence Test #3 ..................48 4. Calculate Measurement Function ..............49 Utility Functions ....................50 2.4.1 General....................50 2.4.2 Measure Offset...................51 2.4.3 Keypad Lockout.................51 2.4.4 Test Location ..................53 2.4.5 Buzzer On Fail ...................54 2.4.6 Beep On Key Hit................55 2.4.7 RS-232 Interface (Optional) ..............55...
  • Page 5 Contents (continued) Interface - Section 3 General......................73 Remote I/O.....................73 RS-232 ......................74 Enhanced Remote I/O Interface..............76 IEEE-488.2 Interface ..................78 3.5.1 General....................78 3.5.2 IEEE-488 & Rs-232 Commands............79 3.5.3 Remote Calibration ................87 3.5.4 Formats ....................88 3.5.5 IEEE-488 Sample Program (Quick Basic) ........89 Maintenance & Calibration - Section 4 General......................91 Instrument Return ..................91 Calibration......................91...
  • Page 6 Page 6 of 6...

  • Page 7: Warranty

    SERVICE POLICY QuadTech policy is to maintain product repair capability for a period of at least five (5) years after original shipment and to make this capability available at the then prevailing schedule of charges.
  • Page 8 Page 8 of 8...

  • Page 9: Specifications

    Specifications Guardian 2510/2520/2530 AC Output Voltage: Range: 0.1 to 5KV AC, in 2V steps Regulation: +/-(1% of setting +5V) Frequency: 50/60Hz selectable, 100ppm accuracy Waveform: Sinusoidal, crest factor 1.4 Voltage Display: Accuracy: +/-(1% of reading +5V) Resolution: 1V steps AC Current Display: Real, Imaginary or Total current (user selectable) Range: 1µA to 15mA AC, in 1µA steps Accuracy:...
  • Page 10 Specifications (continued) Common Features Ground Continuity: Test Current: 100 mA DC +/- 10% Range: 10mΩ to 10Ω, in 1mΩ steps Accuracy: +/- (5% of reading + 20mΩ) Limits: Programmable Hi/Lo during Test Time (Lo can be set to Off : Hipot & GC, Hi can be set to Off for IR) Programmable Hi/Lo during Ramp Time (AC/DC Hipot only) (Both limits can be set to Off) Ground Fault...
  • Page 11 Specifications (continued) Optional Interfaces: IEEE-488 Enhanced Remote: Inputs: Start, Stop, Test Selection Characteristics: TTL active low, Pulse width >1ms Outputs: Under Test, Pass, Fail, Fail Hi, Fail Lo, Fail Arc, Fail Cont Characteristics: Dry contact relay, Closed if true 36V, 100mA max Connector: 25 pin male D-series (compatible w/Sentry Series via a adaptor) Mechanical: Bench Mount (optional rack mount flanges available, 2000-16)
  • Page 12 Page 12 of 12...

  • Page 13: Accessories

    Instruction Manual 150319 High Voltage Lead Set (consisting of 3 cables) 2000-02 High Voltage Cable (labeled w/QuadTech part # 630113, 10KV rating) Ground Continuity Cable (labeled w/QuadTech part # 630114) Ground Return Cable (labeled w/QuadTech part # 630115) Power Cable...
  • Page 14 Accessories (continued) 2000-02 High Voltage Lead Set 2000-02 High Voltage Lead Set 2000-16 Rack Mount Flanges 2000-16 Rack Mount Flanges The 2000-16 Rack Mount Flanges (quantity 2, left and right) are used as dress panels to adapt the 2500 to the standard 19 inch rack width. THESE FLANGES SHOULD NOT BE USED AS SOLE MOUNTING SUPPORT OF THE 2500 in rack mount applications.
  • Page 15 Accessories (continued) 2000-40 and 2000-42 Interfaces RS232 IEEE-488 ENHANCED REMOTE I/O REMOTE I/O RS232 2000-40 2000-42 IEEE-488 Interface Option Enhanced Remote Interface (Rear Panel Configuration) (Rear Panel Configuration) 2000-43 2TΩ Enhanced Option The 2000-43 is an option for use with the Guardian 2530 only. This option provides enhanced measurement capability of devices with high resistance and substantial parallel capacitance (devices such as wire wound heaters, ac inlet filters, sensors, etc.).
  • Page 16 Page 16 of 16...

  • Page 17: Safety Precautions

    Safety Precautions The Guardian 2500 Hipot Tester can provide an output voltage as high as 6000VDC (5000VAC) to the external device under test (DUT). Although the Guardian unit is designed with full attention to operator safety, serious hazards could occur if the instrument is used improperly and these safety instructions are not followed.
  • Page 18 Page 18 of 18...

  • Page 19: Condensed Operating

    6. The instrument performs a self test and will momentarily display the instrument model number and software version, for example: QuadTech Guardian 2530 Version 1.00 7. The display will then indicate the power up default test, which is the last test performed before the instrument was powered down.

  • Page 20: Recalling Setups/Preprogrammed Test Conditions

    Condensed Operating Instructions (continued) Recalling Setups/Preprogrammed Test Conditions 1. Press the TEST NUMBER key to sequence up through the test setups, those with no program stored will show the message “No Test Programmed”. Continue to press the key repeatedly to select any setup desired (user test 1-25, or sequence S1-S9). Typical display below shows setup #1 programmed for AC Hipot at 500 volts, high current limit of 15 mA and test time of 7 seconds.

  • Page 21: Modifying/Programming Test Conditions

    Condensed Operating Instructions (continued) Return the display to Idle mode (upper right) and the test # desired (upper left) before proceeding. Table of Programmable Test Conditions For the Guardian Models 2510, 2520, 2530 Programmable 2510 2520 2530 Parameters 2520 2530 2530 Mode Voltage...
  • Page 22 Condensed Operating Instructions (continued) 1 AC:0.500KV Program Hi:15.00mA 7.0sec Press PROGRAM key Program to enter program mode Mode: AC Total Current Press arrow to Program change the first Mode: AC Real Current parameter (changed to AC Real Current) Press arrow to Program program next parameter Volt: 0.500KV...

  • Page 23: Implementing Measure Offset

    Condensed Operating Instructions (continued) Implementing Measure Offset The Guardian provides an automatic zeroing offset function to correct for current leakage effects due to test leads. This correction is stored in instrument memory and applied to ongoing measurements. For optimum measurement accuracy it is recommended that the offset function be performed at the start of daily testing or any time test leads are changed.

  • Page 24: Connection Using Test Leads

    Condensed Operating Instructions (continued) Connection Using Test Leads (Part # 2000-02) Large White Lead Guardian 2510/20/30 Case G.C. RETURN HV OUT Black Lead Small White Lead Connection Using Corded Product Adapter (Part # 2000-13) Guardian 2510/20/30 G.C. RETURN HV OUT Case White Black (banana)

  • Page 25: Connection To S50 Using Corded Product Adapter

    Condensed Operating Instructions (continued) Connection to S50 Using Corded Product Adapter (Part # 2000-13) (Ground Fault Stop on the 2500 must be set for Off – DUT Grounded, and START must be initiated from the Sentry 50) Guardian 2510/20/30 9 Pin G.C.
  • Page 26 Condensed Operating Instructions (continued) 0.325KV Pass* 0.325KV Hi Fail AC Tot * 0.005mA 0.0s AC Tot * 0.005mA 3.5s PASS FAIL 3. Test Results Display with Single Test Selected (1 – 25) If limits are not exceeded during the test the instrument will cycle through the complete test and the Pass indicator (green) will light.
  • Page 27 Condensed Operating Instructions (continued) 4. Test Results Summary Display with Sequence Test Selected (S1 – S9) Sequence 1 (S1) shown in example below. S1: Pass 2 3 S1: Pass 1 2 3 Fail Fail None PASS FAIL If limits are not exceeded If limits are exceeded PASS Light ON FAIL Light On...

  • Page 29: Unpacking/Inspection

    Product Overview The Guardian 2500 Series of Hipot testers is designed to perform the most common electrical safety tests outlined in UL, CSA, IEC, TUV, EN and other standards. Three models are available, the Guardian 2510, 2520 and 2530.

  • Page 30: Front Panel Description

    Front Panel Description Figure 1-1 shows the controls and indicators on the front panel of the Guardian Series 2500. Table 1-1 identifies them with descriptions and functions. 12 13 16 17 Figure 1-1 Front Panel Controls and Indicators Page 30 of 30 Introduction...
  • Page 31 Table 1-1 Front Panel Controls and Indicators Fig 1-1 Ref. # Item Function Power Rocker style switch which supplies power to the tester (with OFF (0) and ON (1) markings). FAIL Measured results indicate a fail condition based on set limits. Indicator PASS Measured results indicate a pass condition based on set limits.
  • Page 32 Table 1-1 (continued) Front Panel Controls and Indicators Fig 1-1 Ref. # Item Function UTILITY Pressing this key will allow the user to set functional changes which affect all tests. These functions are listed below and discussed in detail in the Operation Section of this manual.
  • Page 33 Table 1-1 (continued) Front Panel Controls and Indicators Fig 1-1 Ref. # Item Function REMOTE When illuminated indicates that the instrument has been enabled for Indicator remote operation. (Illuminates green on late model instruments) GFI ACTIVE When illuminated (green) indicates that the instrument has been enabled Indicator for Ground Fault Stop.

  • Page 34: Rear Panel Description

    Rear Panel Description RS232 G.C. RETURN HV OUT AUXILIARY REMOTE I/O RS232 ENHANCED IEEE-488 REMOTE I/O REMOTE I/O RS232 Figure 1-2 Rear Panel View Page 34 of 34 Introduction...

  • Page 35: Installation

    Module specifications. Contains fuse T5.0A, 250V, 5x20mm time delay fuse for 90 to 250V operation. Replace only with the same type and rating. (QuadTech PN 520068). Also refer to paragraph 1.5.3. The Chassis Ground Symbol, shown internal to the instrument and adjacent to the terminal which connects to the green wire from the AC Inlet module, is the instrument’s Chassis Ground.

  • Page 36: Cleaning

    Do not expose the instrument to direct sunlight, extreme temperature or humidity variations, or corrosive chemicals. When the 2500 is used in a rack installation (using the QuadTech 2000-16 Rack Mount Flanges) make sure the unit is secured using rack cabinet mounting rails, and not secured solely by these front panel flanges.

  • Page 37: Fuse Replacement

    1.5.5 Fuse Replacement WARNING MAKE SURE THE UNIT HAS BEEN DISCONNECTED FROM ITS AC POWER SOURCE FOR AT LEAST FIVE MINUTES BEFORE PROCEEDING. Fuse Drawer Release Tab RS232 G.C. RETURN HV OUT AUXILLARY REMOTE I/O Figure 1-3: Fuse Drawer Release Tab Remove the fuse drawer by inserting a small flat head screwdriver behind the small tab to force the draw •...

  • Page 39: Operation/Programming - Section 2 2.1 Power Up

    Section 2: Operation/Programming Power Up WARNING NEVER TOUCH THE TEST LEADS IN ANY MANNER (this includes insulation on all wires and clips) WHEN THE HIGH VOLTAGE IS APPLIED AND RED DANGER LIGHT IS ON. USE ALL PRECAUTIONS NECESSARY TO AVOID TOUCHING THE DEVICE UNDER TEST WHEN THE AMBER HIGH VOLTAGE LIGHT IS ON &...

  • Page 40: Hi Limit

    Test Parameter Setup NOTE Some of the setups (21 -25, depending on model type) contain factory set test conditions. These can be modified like all other setups (1-20) but can be returned to the original factory set conditions with Clear All Tests, refer to paragraph 2.4.9, step 7. Step Test AC Hipot...

  • Page 41: Mode

    Press PROGRAM key, note that the first programmable parameter is displayed and the “Idle” message now indicates “Program”. Program Mode: AC Total Current 1. To set the Mode: Press up/down arrow keys to scroll through Mode selections. No Test Programmed AC Total Current AC Real Current AC Imag Current...
  • Page 42 3. To set Hi Limit: Press up/down arrow keys to increase or decrease the limit setting between 0.001mA Program High Limit: 15.000mA and 15.000mA (for AC Current), 0.0001mA and 7.500mA (for DC Current), 0.01MΩ and 2000000MΩ or Off (for Insulation Resistance) and 0.01Ω and 10.00Ω (for Ground Continuity).

  • Page 43: Arc Limit

    5. To set Arc Limit (AC or DC Current only): Press up/down arrow keys to increase or decrease the limit setting between Off and 0.5mA to 15.00mA (for AC Current) and between Off and 0.5mA to 15mA (for DC Current). The arc limit can be limited (see below) to less than that indicated above depending on the Hi Limit setting and is checked only during the programmed ramp and test times.

  • Page 44: Lo Limit Ramp

    8. To set Lo Lim Ramp (AC or DC Current only, not available with Ramp Time set Off): Press up/down arrow keys to increase or decrease the limit setting between Off and 0.001mA and 14.999mA (for AC) or 0.0001mA and 7.499mA (for DC) or 0.01MΩ and 1999000MΩ...

  • Page 45: Fall Time

    11. To set Fall Time: Press up/down arrow keys to increase or decrease the fall time between Off and 0.1 to 999.9sec. During fall time the programmed voltage decreases linearly to zero. No Hi/Lo limits are checked during this time. Program Fall Time: 5.0sec...

  • Page 46: Programming Sequence Tests

    Programming Sequence (Tests S1 - S9) A sequence test consists of 1, 2 or 3 tests in sequence. Selected tests can consist of any of the user defined tests (1 - 25), or a calculated test, which can be a calculated value for Total, Real or Imaginary current based on the AC Hipot measurement conditions defined in the first step of the sequence.

  • Page 47: Sequence Test #2

    S1: 1 Program Tests: none S1: 1 Program Tests: skip S1: 1 Program Tests: 1 2. To Program Sequence Test #2 Press right arrow key to program a test number for step 2 of the sequence. S1: 2 Program Tests: none Press up/down arrow keys to select the second test in the sequence as none, skip, 1 –...

  • Page 48: Sequence Test #3

    3. To Program Sequence Test #3 Press right arrow key and to program a test number for step 3 of the sequence. S1: 3 Program Tests: none Press up/down arrow keys to select the third test in the sequence as none, ship, 1 –25 or calc (see discussion of the calculate function, step 4 below).

  • Page 49: Calculate Measurement Function

    4. Programming the Calculate Measurement Function S1: 3 Program Tests: calc If calc is selected for test #2 or #3, as described above, press right arrow, then the up/down arrow key to select the current parameter to be calculated, AC Total, AC Real or AC Imaginary.

  • Page 50: Utility Functions

    Utility Functions 2.4.1 General The Utility functions allow the user to set the Measure Offset function for a currently selected test and set other conditions that affect all tests. When the UTILITY key is pressed the first function, Meas Offset, is displayed and the test number to which this applies is shown in the upper left display.

  • Page 51: Measure Offset

    2.4.2 Measure Offset The Guardian provides an automatic zeroing offset function to correct for current leakage effects due to test leads. This correction is stored in instrument memory and applied to ongoing measurements. For optimum measurement accuracy it is recommended that the offset function be performed at the start of daily testing or any time test leads are changed.
  • Page 52 To Enable Keypad Lockout function 1. Press the UTILITY key and right arrow key to select the Keypad Lockout function. Keypad Lockout Util 1. Press up/down arrow keys to select Off, Lock Password or Lock Cycle Tests Password. 2. Selection of Off allows the operator to modify any stored test conditions and use all functions of the instrument, with no restrictions.

  • Page 53: Test Location

    Keypad Lockout Keypad Lockout Util Util Keypad Lockout Util Enter Password to Unlock Keypad Lockout Util 000000 8. Use the up/down arrows key to increase or decrease the digits and the right arrow key to advance right through all six digits. Enter the password previously stored (all six digits) before exiting the last digit.

  • Page 54: Buzzer On Fail

    2.4.5 Buzzer on Fail The Guardian 2500 allows operator selection of turning the fail buzzer off or on in a soft or loud mode. 1. Press the UTILITY key and right arrow key to select the Buzzer on Fail function. 2.

  • Page 55: Rs-232 Interface (Optional)

    2.4.7 RS-232 Interface The Guardian 2500 allows operator selection of the baud rate for the RS-232 (interface standard with unit). 1. Press the UTILITY key and right arrow key to select the RS-232 Interface function. 2. Press up/down arrow keys to select 9600 or 19200 or Disable. RS-232 Baud Rate Util 9600...

  • Page 56: Enhanced Features

    2.4.9 Enhanced Features The Guardian 2500 allows operator selection of enhanced features. The available enhanced features include: Test Low Limit Clear All Tests Delay Time Tests To View Continue Voltage On Fail Perform Calibration Continue Steps On Fail Ground Fault Stop Stop Test On Pass Arc Pulse Width Step And Increment...

  • Page 57: Delay Time

    Test Low Limit Util Continuous Test Low Limit Util End of test Press the UTILITY key to exit or move to other Enhanced Features with the right arrow key. 2. Delay Time This entry determines the delay time which precedes any programmed ramp time or ground continuity test (if enabled).

  • Page 58: Continue Voltage On Fail

    3. Continue Voltage On Fail This selection determines whether to continuously repeat the same test on fail. When On is selected, if a test fails the voltage remains activated and the same measurement will be repeated again and can be repeated indefinitely. When turned on, this mode is generally used as a continuous probing mode of operation.

  • Page 59: Stop Test On Pass

    Cont Steps On Fail Util Cont Steps On Fail Util Press the UTILITY key to exit or move to other Enhanced Features with the right arrow key. 5. Stop Test On Pass This selection determines if the unit will stop testing during an insulation resistance (IR) measurement once the value exceeds the low limit, which would meet the requirements for a Pass.

  • Page 60: Step And Increment

    6. Step And Increment This selection determines how the unit will step through a sequence test (S1 - S9). When On is selected, and a test initiated with the START button, the first step performed is the one currently viewed within a sequence. The next step in a sequence is initiated only when the START button is pressed again, and so on through a maximum of 3 steps.
  • Page 61 If Enhanced Features is set for On, press right arrow key to select Clear All Tests. If Enhanced Features is set for Off, press up/down arrow key to select On and press right arrow key to select Clear All Tests. Press up down arrow keys to select Clear All Tests, No or Yes Clear All Tests...

  • Page 62: Test To View

    8. Tests To View The following selection determines which tests in memory, when selected by test number, are displayed in View mode. Single step are 1 through 25 and sequence are S1 through S9. Press the UTILITY key and right arrow key to select Enhanced Features. If Enhanced Features is set for On, press right arrow key to select Tests to View.

  • Page 63: Ground Fault Stop

    Perform Calibration Util Cal Date: 1/12/1999 10. Ground Fault Stop This selection determines the status of ground fault detection. When On is selected the unit monitors the ground return current, and if found to be different from the output current the instrument is shut down.

  • Page 64: Arc Pulse Width

    11. Arc Pulse Width The following selection determines the duration of pulse width when arc detection is in effect. An arc failure will occur if any pulses are detected which exceed this duration and the programmed arc level. Press the UTILITY key and right arrow key to select Enhanced Features.

  • Page 65: Autoranging

    If Enhanced Features is set for Off, press up/down arrow key to select On and press right arrow key to select Adaptive DC Ramp. Press up/down arrow keys to select Adj. V During Test, Off, On. Adaptive DC Ramp Util Adaptive DC Ramp Util Press the UTILITY key to exit, or move to other Utility functions with the...
  • Page 66 In some cases, the IR value displayed during a test will be the “greater than” symbol followed by some resistance value, e.g., “> 25.0Mohm”. The displayed resistance value is the maximum resistance which can be measured accurately in the IR range being used by the 2530. Unless the displayed value is “>5000.0Gohm”, this means that the 2530 is unable to increase the sensitivity for one or more of the following reasons: 1) The Autoranging utility is set to NONE.

  • Page 67: Default Test Conditions

    Default Test Conditions 2.5.1 General Setup (23) Mode: GC Only 2.5.2 Setups (21 thru 25) Hi Limit: 0.1Ω S25 - UL, Appliances Low Limit: S24 - EN, Appliances Test Time: 1.0sec (with continuity test) S23 - EN, Continuity Test Setup (22), 2520 & 2530 only (low current) Mode: DC Current...

  • Page 68: Error Messages

    Error Messages Operator Help messages All tests are disabled, program test Arc limit must be less, than max gain current Arc limit changed to be, less than max current Arrow, test, utility, and start keys are valid DEVICE UNDER TEST, FAILED TEST DUT resistance too low Programmed voltage cannot be maintained across DUT, it may be necessary to increase RAMP time...
  • Page 69 Operator Help messages (continued) Only the up and down, arrow keys are valid Only the start and stop, keys are valid Only up, down, and right, arrow keys are valid Only the right and left, arrow keys are valid OPEN GC only, calculated resistance is >...
  • Page 70 Operator Help messages (continued) Up, down, utility, and start keys are valid Voltage changed to, correspond to meas param >nnn.n Measurement exceeded the limits of the unit to make an accurate measurement. This may be seen during RAMP time if the DUT is a very low resistance and the programmed voltage cannot be achieved.
  • Page 71 Instrument Error Messages (continued) Invalid calibration code INVALID DAC SLOPE MEASUREMENT TIMED OUT A/D converter failure NVRAM FIRST TIME, INIT FAILED NVRAM INIT FROM FLASH, Press STOP to continue WATCHDOG TIMEOUT, CONSULT FACTORY Operation/Programming Page 71 of 71...

  • Page 73: Interface - Section 3 3.1 General

    Section 3: Interface General A remote control connector is located on the rear panel of the instrument with input connections for starting and stopping the unit externally and output connections indicating instrument status and a safety interlock connection. Inputs require a contact closure and outputs provide a contact closure, as shown in the figure below.
  • Page 74 Remote I/O Timing RS-232 Interface An RS232 serial port interface is available as an option to the Guardian 2500 Series, through a 9 pin DIN connector on the rear panel of the instrument. The RS232 standard defines electrical specifications for the transmission of bit serial information. The use of the RS232 port requires three lines, receive data, transmit data, and signal ground.
  • Page 75 Table 3-1 RS232 Interface Connections Signal Name Pin Number Function Inputs: Data Carrier Detect Data Set Ready Receive Data Clear to Send Ring Indicator Outputs: Request to Send Transmit Data Data Terminal Ready Signal Ground 2500 Controller Pin # Function Pin # Function Receive data...

  • Page 76: Enhanced Remote I/O Interface

    Enhanced Remote I/O Interface An enhanced remote I/O interface is available as an option to the Guardian 2500 Series, through a 25 pin DIN connector on the rear panel of the instrument. This option also includes the RS-232 interface. Refer to Table 3-2 for signal names, pin numbers as necessary for cable connections.
  • Page 77 Table 3-2 (continued) Parallel Interface Connections Signal Name Pin Number Function Inputs: Stop Stops a test and remove high voltage. This input or STOP button must be used to resume operation after a test fail, unless remote communication is enabled (in which case the Stop command serves the same function).

  • Page 78: Ieee-488.2 Interface

    IEEE-488.2 Interface 3.5.1 General An IEEE-488 interface is available as an option to the Guardian 2500 Series, through a connector (24 pin) on the rear panel. This interface can be used to connect to a system containing a number of instruments and a controller in which each meets IEEE Standard 488.2 (Standard Digital Interface for Programmable Instrumentation) Refer to Table 3-3...

  • Page 79: Ieee-488 & Rs-232 Commands

    3.5.2 IEEE-488 & RS-232 Commands Table 3-3 IEEE-488 Interface Connections Signal Name Pin Number Function ___________________ Low state: "Data is Available" and valid on DI01 through DI08 NRFD Low state: At least one listener on the bus is "Not ready for Data". NDAC Low state: At least one listener on the bus is "Not Accepting Data".
  • Page 80 Table 3-4: IEEE & RS-232 Commands Command Function Parameter(s) TEST: TEST Set the test number STEP Set the step number SEQuence Set the sequence test number CONFigure: MODe Set measurement mode NONE AC ACRE ACIM DC IR GCOnly VOLT Set the voltage in KV n.nnn HIGh Set High limit in...
  • Page 81 Table 3-4: IEEE & RS-232 Commands (continued) Command Function Parameter(s) SEQuence: TEST Set current step to test number nn NONE SKIP CALC CALCulate: CMODe Set measurement mode to calculate AC ACRE ACIM CHIGh Set High limit in mA nn.nnn CLOW Set Low limit in mA nn.nnn SYSTem:...
  • Page 82 Table 3-4: IEEE & RS-232 Commands (continued) Command Function Parameter(s) VIEW: TEST? View the test’s programmed parameters TEST View the single-test’s parameters The format of the returned data is as follows: Mode:<tab><No Test Programmed, AC Total Current, AC Real Current, AC Imag Current, DC Current, IR, or GC Only><CR>...
  • Page 83 Table 3-4: IEEE & RS-232 Commands (continued) Command Function Parameter(s) Example: Sequence 1 reply with no calc tests programmed User sends VIEW:TEST?:SEQ 1 and response is S1:1 Test: nn (or none) S1:2 Test: nn (or skip, or none) S1:3 Test: none Example: Sequence 2 reply with step 3 programmed for calc User sends VIEW:TEST?:SEQ 2 and response is S2:1...
  • Page 84 Table 3-4: IEEE & RS-232 Commands(continued) Command Function Parameter(s) Cal Due:<tab><nn/nn/nnnn><CR> Ground Fault Stop:<tab><Off, On, or Off - DUT Grounded<CR> Arc Pulse Width:<tab><nnmicrosec><CR> If the enhanced features is set to Off the format of the returned data is as above, ending with the IEEE Address.
  • Page 85 During IR measurements if the reading is outside of the measurement range F? can return a null field or return –9.9999e+03 *IDN? Returns instrument identification "QuadTech, Guardian 25X0,xx...xx, software version". *ESR? x denotes serial number up to 10 digits Returns the read of the event status register.
  • Page 86 *SRE? Returns the read of the service request enable register. *ESE Set the event status enable register. value *SRE Set the service request enable register. value *RST Reset the buffer *CLS Clear standard event status register *OPC Operation complete *OPC? Is operation complete *WAIT Wait until operation is complete before executing next command...

  • Page 87: Remote Calibration

    3.5.3 Remote Calibration Calibration can be controlled by remote commands. The procedure and prompts are similar to those used for local calibration. Proceed as follows: SYSTem LOCKout ON Place unit in local lockout *SRE 16 Enable the MAV STB bit (IEEE-488 only) CAL FULL or GCONly Select desired cal type CAL DATE mmddyy or yyyy...

  • Page 88: Formats

    3.5.4 Formats IEEE 488.2 enable remote programming of all instrument functions, measurement conditions and comparator settings etc. Outputs include measurement conditions, open corrections, and measured values. Data Formats Data will be transmitted in ASCII NR3 format per IEEE488.2 sec. 8.7.4 and reproduced below.

  • Page 89: Ieee-488 Sample Program (Quick Basic)

    Standard Event Status Register Decimal Value Power Up Since Last Query None Command Error (Syntax) Execution Error (Over Range, etc.) None Query Error None Operation Complete This register is read by executing an “*ESR?” command per paragraph 11.5.1.2.2 (except no *). Note that this is a destructive read. Reading the register clears it. Each bit of the Event register must be enabled in order to cause the ESB bit of the Status Register to be set.
  • Page 90 IEEE-488 Sample Program (Continued) 'ask user for test location, mode, voltage, current, ramp and test time PRINT "ENTER TEST NUMBER" INPUT TEST$ IF TEST$ = "" OR TEST$ > "25" THEN GOTO 40 ' check test is in range PRINT "MODE 1 = AC, 2 = AC Real, 3 = AC Imag, 4 = DC" INPUT MODE$ IF MODE$ = ""...

  • Page 91: General

    Service Lab and will serve as a reference number for the time your unit is at QuadTech. Please contact our Customer Care Center (CCC) at 800-253-1230 for additional support. The CCC phone line is staffed from 8:00am to 5:00pm (EST).
  • Page 92 Equipment Required Standard Resistors with known values (rated for 1000V) 2 ohms, 0.1% 8 ohms, 0.1% 40 kohms, 0.1%, rated for 200V 1 Mohm, no specified accuracy, rated for 1000V 1 Gohm*, 0.1%, rated for 1000V 100 Gohm*, 0.1%, rated for 1000V * tee configuration acceptable, but input divider ratio should not be more than 1000 : 1 Voltmeter –...

This manual is also suitable for:

Guardian 2510Guardian 2520Guardian 2530

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