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ADCMT 6243 Operation Manual

Dc voltage current source/monitor
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Cover
6243/44
DC Voltage Current Source/Monitor
Operation Manual
FOE-8440045E01
MANUAL NUMBER
First printing March 30, 2007
ADC CORPORATION
C
2007
All rights reserved.
Printed in Japan

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  • Page 1 Cover 6243/44 DC Voltage Current Source/Monitor Operation Manual FOE-8440045E01 MANUAL NUMBER First printing March 30, 2007 ADC CORPORATION 2007 All rights reserved. Printed in Japan...
  • Page 3 Safety Summary Safety Summary To ensure thorough understanding of all functions and to ensure efficient use of this instrument, please read the manual carefully before using. Note that ADC Corporation (hereafter referred to as ADC) bears absolutely no re- sponsibility for the result of operations caused due to incorrect or inappropriate use of this instrument. If the equipment is used in a manner not specified by ADC, the protection provided by the equipment may be im- paired.
  • Page 4 Safety Summary product. • When the product has ventilation outlets, do not stick or drop metal or easily flammable ob- jects into the ventilation outlets. • When using the product on a cart, fix it with belts to avoid its drop. •...
  • Page 5 Safety Summary Main Parts with Limited Life Part name Life Unit power supply 5 years Fan motor 5 years Electrolytic capacitor 5 years LCD display 6 years LCD backlight 2.5 years Floppy disk drive 5 years Memory backup battery 5 years •...
  • Page 6 Environmental Conditions This instrument should be only be used in an area which satisfies the following conditions: • An area free from corrosive gas • An area away from direct sunlight • A dust-free area • An area free from vibrations •...
  • Page 7 Types of Power Cable Replace any references to the power cable type, according to the following table, with the appropriate power cable type for your country. Rating, color Model number Plug configuration Standards and length (Option number) PSE: Japan 125 V at 7 A Straight: A01402 Black...
  • Page 9 When the current source value is set to +0 A in the no-load status, or when negative current is generated due to an error, the output terminal may deliver a negative supply voltage. (6243; -130 V, 6244; -26 V) If these conditions pose a problem, use one of the following procedures.
  • Page 11 This document describes the operations, functions and remote programming of 6243/44 DC Voltage/Current Source/Monitor operations. This document refers the 6243/44 ROM version B00 or later. (To confirm the ROM version, refer to Section 1.5, “Operational Check.”) The following functions are not available for the 6243/44 ROM version A02 or earlier.
  • Page 12 When keys are pressed sequentially in an operating procedure, Key names are separated by a “,” (comma) in this manual. When common function of both the 6243 and 6244 are described, diagrams of either the 6243 or 6244 are used.

  • Page 13: Table Of Contents

    TABLE OF CONTENTS 6243/44 DC Voltage Current Source/Monitor Operation Manual TABLE OF CONTENTS INTRODUCTION ..................Product Overview ....................Supplied Accessories ..................Optional Accessories ..................Operating Environment ..................1.4.1 Environmental Conditions ................1.4.2 Power Supply Conditions ................1.4.3 Changing the Source Voltage Setting and Checking/Replacing the Fuse ..
  • Page 14 6243/44 DC Voltage Current Source/Monitor Operation Manual Table of Contents 3.3.6 LIMIT key (Limiter Setting) ..............3.3.7 MENU key (Setting Parameters) ..............3.3.7.1 SWEEP (Sweep Parameters) ..............3.3.7.2 TIME (Time Parameters) ................3-10 3.3.7.3 SOURCE (Source Parameters) ..............3-10 3.3.7.4 MEASURE (Measurement Parameters) .............
  • Page 15 6243/44 DC Voltage Current Source/Monitor Operation Manual Table of Contents 4.5.4 Polarity Change ..................4-26 4.5.5 Reverse Polarity Source Operation ............4-28 Measurement Function ..................4-29 4.6.1 Measurement Function ................4-29 4.6.2 Measurement Ranging ................4-29 4.6.3 Auto-Zero Function ..................
  • Page 16 6243/44 DC Voltage Current Source/Monitor Operation Manual Table of Contents 5.2.11.1 Program Example 1: DC Measurement ............5-32 5.2.11.2 Program Example 2: Pulse Measurement ........... 5-34 5.2.11.3 Program Example 3: Sweep Measurement ..........5-36 5.2.11.4 Program Example 4: Diode Measurement ..........
  • Page 17 6243/44 DC Voltage Current Source/Monitor Operation Manual Table of Contents 9.1.3 Source and Measurement Functions ............9.1.4 Setting Time ....................9-10 9.1.5 General Specifications ................9-11 6244 Specifications ................... 9-12 9.2.1 Voltage/Current Source ................9-12 9.2.2 Voltage/Current Measurement ..............9-17 9.2.3...
  • Page 19 6243/44 DC Voltage Current Source/Monitor Operation Manual LIST OF ILLUSTRATIONS Title Page Output Range ........................Operating Environment ..................... Changing the Source Voltage Setting and Checking/Replacing the Fuse ......Power Cable ........................Connecting the Power Cable ..................... 1-10 Display during Self test .....................
  • Page 20 6243/44 DC Voltage Current Source/Monitor Operation Manual List of Illustrations Title Page 4-21 Timing of External Control Signals .................. 4-54 4-22 Control of Scanner ......................4-55 4-23 Synchronized Operation Using the BUSY Signal ............4-57 4-24 Serial Connection ......................4-58 4-25 Parallel Connection ......................
  • Page 21 Range and Data Differences in Accordance With Range Specification (Example: Showing DC Sweep With 6243) ..............4-24 4-10 Limiter Setting Range in Relation to the Source Value (6243) ........4-34 4-11 Limiter Setting Range in Relation to the Source Value (6244) ........

  • Page 23: Introduction

    This chapter describes the product overview, accessories for the product and the appropriate operating envi- ronment. This chapter also explains the methods used for checking whether or not the 6243/44 is functioning correctly. Product Overview The 6243/44 is a DC Voltage Current Source/Monitor featuring a wide source and measurement range as indicated below.

  • Page 24: Output Range

    Linear, log, random sweep functions for characteristic tests • Limiter (compliance), oscillation, overload, overheat detections • Synchronized operation by integrating 2 or more units of the 6243/44 • GPIB for integrating an automated measurement system as standard Note +2 A...

  • Page 25: Supplied Accessories

    6243/44 DC Voltage Current Source/Monitor Operation Manual 1.2 Supplied Accessories Supplied Accessories The standard accessories supplied for the 6243/44 are shown in Table 1-1. If any accessory is missing or dam- aged, contact ADC CORPORATION or the sales representative. When ordering accessories, specify the part number.

  • Page 26: Ac Power Plug Types

    6243/44 DC Voltage Current Source/Monitor Operation Manual 1.2 Supplied Accessories Table 1-2 AC Power Plug Types Rating, color Part number Plug configuration Standards and length (Option number) PSE: Japan 125 V at 7 A Straight: A01402 Black Electrical Appliance and Material...

  • Page 27: Optional Accessories

    6243/44 DC Voltage Current Source/Monitor Operation Manual 1.3 Optional Accessories Optional Accessories The optional accessories for the 6243/44 are shown in Table 1-3. Table 1-3 List of optional accessories Model Name Remarks 6243 6244 Test fixture 12701A A01041 Test lead (1 m)

  • Page 28: Operating Environment

    Ensure that the rack cannot topple over when the slide rail is pulled out. Ensure that exhaust air from other 6243/44 is not directed at the vents on the side of the 6243/44. To prevent the temperature in the rack from rising, install a heat sink fan.

  • Page 29: Power Supply Conditions

    6243: 340 VA, 6244: 400 VA Power consumption Fuse (6243) T4A/250 V T2A/250 V Fuse (6244) T5A/250 V T2.5A/250 V NOTE: To prevent damage to the 6243/44, do not apply an input voltage or a frequency that exceeds the specified ranges for the 6243/44.

  • Page 30: Changing The Source Voltage Setting And Checking/Replacing The Fuse

    The following explain the procedures for changing the power supply voltage setting, checking the fuse and replacing the fuse. NOTE: If the power fuse blows it may cause abnormalities in the operation of the 6243/44. Contact ADC CORPORA- TION for servicing. Use a fuse that conforms to the source voltage.

  • Page 31: Power Cable

    To AC power outlet Ground pin 3-pin power cable Figure 1-4 Power Cable 1.4.5 Warm-up (Preheating Time) To ensure that the 6243/44 obtains the specified accuracy, let the 6243/44 warm up for 60 minutes after the power is turned on.

  • Page 32: Operational Check

    1.5 Operational Check Operational Check This section describes the simple operational check performed when the 6243/44 is used for the first time. Perform the operation check by following the procedures shown below to confirm that the 6243/44 is func- tioning correctly.

  • Page 33: Display During Self Test

    6243/44 DC Voltage Current Source/Monitor Operation Manual 1.5 Operational Check Set the POWER switch on the front panel to ON. After all the indicators light up, the 6243/44 performs a self test. (Duration: approx. 20 sec. Refer to Figure 1-6) Self Test...

  • Page 34: Vsvm Measurement (In Output Off Standby)

    Confirm that the VM measured value is within 600 V for 0 V in the VS 320 mV range. Press the OPERATE key. The OPERATE lamp goes off and the 6243/44 enters the standby (output OFF) mode. This completes the operational check.

  • Page 35: Setting The Line Frequency

    6243/44 DC Voltage Current Source/Monitor Operation Manual 1.6 Setting the Line Frequency Setting the Line Frequency Since the 6243/44 employs an integral-type A/D converter, setting the integral time by multiplying the cycle of the line frequency (PLC) eliminates noise introduced through the power line. NOTE: The factory setting for one cycle is 50 Hz.
  • Page 36 6243/44 DC Voltage Current Source/Monitor Operation Manual 1.6 Setting the Line Frequency Press the EXIT key. The Start-up screen returns. AZERO VS:+000.00mV L: 0500.0mA *DC This completes the line frequency setting. 1-14...

  • Page 37: Cleaning, Storage, And Transport Methods

    (90 days or longer), place the 6243/44 in a moisture-proof bag together with a desic- cator. Avoid storing the 6243/44 in a location where there is a lot of dust or where it will be subjected to direct sunlight.

  • Page 38: Calibration

    1.8 Calibration Calibration In order to use the 6243/44 in accordance with its specifications, calibration must be performed once a year. The calibration method is explained in Chapter 8, “CALIBRATION.” Contact ADC CORPORATION or the sales representative for the calibration service.

  • Page 39: Operation

    This chapter describes the names and functions of the parts on the front and rear panels and the screen display elements. This makes it possible to master the usage of the 6243/44 through performance of basic operations and examples of measurements.

  • Page 40: Limit Key (Limiter Setting)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.1 Front Panel Summary Figure 2-2 Front Panel (6244) SOURCE section MODE key: Selects the source mode (DC, Pulse, DC sweep, or Pulse sweep). POLARITY - and + keys: Selects the polarity of the source value.

  • Page 41: Menu Key (Setting Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.1 Front Panel Summary START and TRIGGER section START/TRIGGER key: Triggers the measurement and pulse source when the sampling is in the hold state in the DC and Pulse Source mode. Starts, pauses or restarts the sweep in the sweep source mode.
  • Page 42 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.1 Front Panel Summary 10. CAT II: This indicates that the 6243/44 complies with the Installation safety requirements for Category II as stipulated by IEC61010 regulations. Installation category (overvoltage category): Classification of parts of installation systems or circuits with standardized limits for tran- sient overvoltages, dependent on the nominal line voltage to earth.

  • Page 43: Screen Display

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.2 Screen Display 2.1.2 Screen Display The following describe the screen display. SMPL IDLE AUTO LOP NULL DFILT MATH AZERO ERR INFO FRONT REAR SLOT LO_G RMT TLK LTN SRQ IM+320.000mA +LM VS:+320.00mV L:2000.0mA *DC...
  • Page 44 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.2 Screen Display Indicators: The indicators are as follows: AUTO: Measurement in the auto range. NULL: NULL setting is ON. AZERO: Auto Zero is ON. SLOT: Memory processing of the measured values is in progress.

  • Page 45: Rear Panel Summary

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.3 Rear Panel Summary 2.1.3 Rear Panel Summary The following explain the terminals, connectors and indicators on the rear panel. Figure 2-4 Rear Panel (6243) Figure 2-5 Rear Panel (6244)
  • Page 46 A hazardous voltage is output if an external hazardous voltage is applied to the case, causing a potential difference between the case and the LO. AC power connector: Connects the 6243/44 to the AC power supply through this connec- tor with the supplied power cable. Voltage selector, fuse holder: Allows the voltage setting to be switched manually to match the used AC line voltage.
  • Page 47 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.1.3 Rear Panel Summary TRIGGER IN connector: Input connector used for inputting the measurement trigger for DC and pulse, and for the start, pause, step up trigger for sweep. The TTL level input impedance is approximately 4.7 K, and the input is a negative pulse (pulse width: 10 s or wider).

  • Page 48: Basic Operations

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2 Basic Operations Basic Operations This section explains how to set the source and limiter values, how to operate the menus and how to use the basic measurement functions. 2.2.1 Setting the Source and Limiter Values...
  • Page 49 Setting is done at the current range. It is judged whether or not the displayed value (including the 6243/44) immediately before the ENTER key is pressed, is within the current range. If outside the range, an error is generated and the display flashes.
  • Page 50 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.1 Setting the Source and Limiter Values (3) Changing the source and limiter ranges. The source and limiter ranges are changed by pressing the RANGE (Down) or (Up) key. • Range change is performed so that the value before the change becomes the same as the value after the change.

  • Page 51: 2.2.2 Menu Operations And Parameter Settings

    Menu operations using the MENU key and methods for setting parameters are explained. Figure 2-6 shows the menu structure of the MENU key. NOTE: In accordance with the setting status of the 6243/44, parameters which cannot be changed are not dis- played. Press the MENU key.

  • Page 52: Menu Structure (Menu Key)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.2 Menu Operations and Parameter Settings • When setting the random sweep data, specify the memory address with the Data knob and enter the value with the numeric keys and the unit (V/mA or mV/A) key.

  • Page 53: Dc Measurement

    To ensure accurate measurement, use the 6243/44 within the specified temperature range. Allow the 6243/44 to warm up for at least 60 minutes after the power is turned ON. In the following example, the warm up stage is assumed to have been completed.
  • Page 54 Plug the supplied power cable into the AC power connector on the rear panel. NOTE: To prevent 6243/44 failure, do not apply an input voltage or frequency to the 6243/44, that exceeds the specified ranges. Plug the other end of the power cable into the AC outlet.
  • Page 55 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.3 DC Measurement Setting the source value 15. Press the DIRECT, 1, V, and ENTER keys in order. VS:+1.0000V appears. Cursor (flashing) Setting the current limiter 16. Press the LIMIT key. The cursor moves to the limiter indication.
  • Page 56 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.3 DC Measurement 20. Move the cursor with the key and set the voltage source value to 2 V using the Data knob. The measured current value when 2 V is applied to the 1 K resistor appears.

  • Page 57: Pulse Mode Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.4 Pulse Mode Measurement 24. Press the VS/IS key. The function becomes the current source function and the limiter display disap- pears. (Indicating the voltage value of operating point D shown in Figure 2-7 (c).) AZERO VM+0.30000V...
  • Page 58 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.4 Pulse Mode Measurement Initializing the setting conditions Initializing the 6243/44 Press the MENU key. The parameter group selection screen appears. Select PARAMETER LOAD in the parameter group by rotating the Data knob.
  • Page 59 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.4 Pulse Mode Measurement 14. Press the LIMIT key. The cursor moves to the source value. Setting the Base value 15. Press the MENU key. The parameter group selection screen appears. 16. Select SOURCE in the parameter group by rotating the Data knob.
  • Page 60 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.4 Pulse Mode Measurement 24. Press the key and select the Pulse Width parameter by rotating the Data knob. 25. Set the Pulse Width to 50 ms using the same procedure as in steps 22 and 23.
  • Page 61 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.4 Pulse Mode Measurement Current measurement at a base value 30. Press the MENU key. Select TIME in the parameter group by rotating the Data knob. Select the Mea- sure Delay parameter and set this to 60 ms.

  • Page 62: Sweep Mode Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement 2.2.5 Sweep Mode Measurement The following describe the procedures followed until the measurement result is read out from the memory using the sweep source mode. A Linear sweep from 1 V to 10 V is performed in 1 V steps as shown in Figure 2-9 using voltage source and current measurement (VSIM).

  • Page 63: Sweep (Sweep Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement Press the EXIT key. The measurement screen returns. Setting the current limiter Press the LIMIT key. The cursor moves to the limiter indication. L: 0500.0mA Cursor Press the DIRECT, 3, 0, mA, and ENTER keys in order.
  • Page 64 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement 16. Rotate the Data knob clockwise by one click. AZERO SWEEP Start Value :+000.01mV 17. Press the key. AZERO Start Value [+000.01mV] 18. Press the 1, V, and ENTER keys in order.
  • Page 65 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement Setting the period 22. Press the key twice or press the MENU key. The parameter group selection screen returns. Select TIME in the parameter group by rotating the Data knob.
  • Page 66 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement Starting the Sweep mode measurement 30. Press the OPERATE key. The OPERATE lamp lights up and the source status becomes the Operate (out- put: ON). The source value indicates the Bias value.
  • Page 67 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.2.5 Sweep Mode Measurement Turning OFF the Memory Store 36. Press the MENU key. Select MEASURE BUFFER in the parameter group by rotating the Data knob. Set the Memory Store parameter to OFF. (SLOT in the indicator section goes out.)

  • Page 68: Measurement Example

    (IR) by DC voltage source. NOTE: Use a 4-wire connection to ensure an accurate forward voltage measurement. For the 6243, use a shielded cable with driving guard to ensure an accurate measurement of leak current  below 1 For details, refer to Section 4.1, “DUT Connection.”...

  • Page 69: Connections For Diode Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.1 Measuring a Diode Initialing the setting conditions Initializing the 6243/44 Press the MENU key. The parameter group selection screen appears. Select PARAMETER LOAD in the parameter group by rotating the Data knob.
  • Page 70 The measurement auto range is invoked and the following display appears. AUTO AZERO IS:+100.00mA L: 1.5000V *PLS NOTE: The following values are for reference only. Actual measurement values will be different from the values used here due to errors caused in the 6243/44, cable resistance and device characteristics. 2-32...
  • Page 71 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.1 Measuring a Diode Acquiring NULL data (canceling errors caused by cable resistance) 17. Short-curcuit the HI OUTPUT cable (red) with the LO OUTPUT lead (black). 18. Press the OPERATE key. AUTO AZERO VM+007.654mV...
  • Page 72 VS:-20.000V L: 300.00uA *DC NOTE: The following values are for reference only. Actual measurement values will be different from the values used here due to 6243/44 internal errors and device characteristics. Acquiring NULL data (canceling errors) 31. Disconnect the HI OUTPUT lead (red).
  • Page 73 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.1 Measuring a Diode 34. Press the OPERATE key. The status becomes Standby. 35. Connect the HI OUTPUT (red) lead to the diode’s anode. 36. Press the OPERATE key. The measured result of the diode’s reverse leak current (IR) appears.

  • Page 74: Battery Charge Test And Discharge Test

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.2 Battery Charge Test and Discharge Test 2.3.2 Battery Charge Test and Discharge Test The following explain examples of a charge test and a discharge test of secondary batteries such as NiCad and nickel metal hydride batteries.

  • Page 75: Waveform Of Battery Discharge Test

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.2 Battery Charge Test and Discharge Test 10 mA 100 ms Voltage measurement Figure 2-11 Waveform of Battery Discharge Test Discharge test conditions Source mode Pulse Pulse current Base current 10 mA Pulse width...

  • Page 76: Connections For Battery Charge And Discharge Test

    6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.2 Battery Charge Test and Discharge Test Connecting the DUT Connect the leads using 4-wire as shown in Figure 2-12 to eliminate voltage drop caused by the leads. Connect the COMPLETE OUT terminal and the OPERATE IN terminal on the rear panel using the BNC-BNC cable A01036.
  • Page 77 IS:+1000.0mA L: 1.4500V *DC NOTE: The following values are for reference only. Actual measurement values will be different from the values used here due to 6243/44 internal errors and device characteristics. 15. Press the LIMIT and OPERATE keys. Charging is performed with the constant current, and the measured current value appears.
  • Page 78 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.2 Battery Charge Test and Discharge Test In this condition, if the measured current drops to 100 mA or lower, the Standby status is automatically set. AZERO IM+0099.96mA +LM IS:+1000.0mA L: 1.4500V *DC This completes the charging.
  • Page 79 The voltage limiter is set to 1.5 V. AZERO IS:-2000.0mA L: 1.5000V *PLS NOTE: The following values are for reference only. Actual measurement values will be different from the values used here due to 6243/44 internal errors and device characteristics. 2-41...
  • Page 80 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.3.2 Battery Charge Test and Discharge Test 22. Press the OPERATE key. Pulse discharge starts and the battery voltage during discharge is measured. AZERO VM+1.32732V G0 IS:-2000.0mA L: 1.5000V *PLS When the discharge stop voltage (1.0 V) is reached, the status is switched to Standby.

  • Page 81: Saving And Loading Parameters

    2.4 Saving and Loading Parameters Saving and Loading Parameters The 6243/44 allows parameters used to be saved in the nonvolatile memory blocks 0 to 3. Parameters saved in the block 0 are loaded when the power is turned ON. The following describe how to save and load parameters.
  • Page 82 6243/44 DC Voltage Current Source/Monitor Operation Manual 2.4 Saving and Loading Parameters (2) Saving and loading parameters Saving parameters Press the MENU key and select PARAMETER SAVE in the parameter group. Press the key and select a saving area by rotating the Data knob.

  • Page 83: Menu Index

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3. REFERENCE REFERENCE This chapter describes the 6243/44 panel keys, parameter groups, parameters, and the functions of each parameter. Menu Index Operation Key Pages Operation Key Pages AUTO ............3-3, 3-7 OPERATE ..........3-3, 3-17 Auto Range Delay........
  • Page 84 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.1 Menu Index VM/IM ............. 3-3, 3-19 VS/IS............3-3, 3-19...

  • Page 85: Menu Map

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.2 Menu Map Menu Map MODE RECALL AUTO DIRECT NULL HOLD DIRECT OPERATE START TRIGGER ENTER EXIT POLARITY STOP GP-IB LOCAL RANGE VM/IM LIMIT VS/IS MENU SWEEP To 3-4 TIME To 3-4 SOURCE...
  • Page 86 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.2 Menu Map Parameter group Parameter type Parameter SWEEP Sweep Type Linear Random [+000.00 mV/+00.000 A] Bias Value [+000.01 mV/+00.001 A] Start Value [+001.00 mV/+00.100 A] Stop Value [000.01 mV/00.001 A] Step Value...
  • Page 87 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.2 Menu Map Parameter group Parameter type Parameter 500 s MEASURE Integration Time 1 ms 10 ms 1 PLC 10 PLC 100 PLC Auto Zero Resolution 5-1/2 digits 4-1/2 digits Measure Display COMPARATOR Compare [+000.000 mV/+00.0000 A]...
  • Page 88 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.2 Menu Map Parameter group Parameter type Parameter SYSTEM Line Frequency 50 Hz 60 Hz GPIB HA - 01 Self Test Execute (Press DIRECT Key) Disp, Buz, Key Test Execute (Press DIRECT Key) Ext.Signal Test...

  • Page 89: Panel Keys And Parameters

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3 Panel Keys and Parameters Panel Keys and Parameters The panel keys and parameters are described as follows: 3.3.1 AUTO key (Measurement Range) Pressing the AUTO key toggles the measurement setting between the Auto range and fixed range.
  • Page 90 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.6 LIMIT key (Limiter Setting) 3.3.6 LIMIT key (Limiter Setting) Pressing the LIMIT key toggles the setting between the source value change mode and the limiter value change mode. Source value change mode: The cursor (flashing) indicates a digit of the source value and the following keys are enabled for changing the source value.
  • Page 91 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) Step Value Enables the step value setting for linear sweep. The step number n becomes as follows: n = | Stop Value - Start Value | / Step Value +1 The step value has no polarity.

  • Page 92: Time (Time Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) 3.3.7.2 TIME (Time Parameters) Selecting TIME and pressing the key enables selection of parameters related to time. Measure Delay Enables setting of the Delay Time (Td) from the measurement trigger to the start of measurement.

  • Page 93: Measure (Measurement Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) Remote Sensing Switches between 4-wire connection and 2-wire connection. 2 Wire: 2-wire connection At this time, 4 WIRE lamp is OFF. 4 Wire: 4-wire connection At this time, 4 WIRE lamp is ON.

  • Page 94: Comparator (Comparison Operation Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) 3.3.7.5 COMPARATOR (Comparison Operation Parameters) Selecting COMPARATOR and pressing the key enables selection of parameters related to comparator calculation. Compare Toggles comparator calculation between ON and OFF. The following comparator calculations are per- formed.
  • Page 95 GPIB. Operate Signal Out: Outputs a Lo signal when the 6243/44 is in the Operate status and a Hi signal when in the standby status.

  • Page 96: System (System Parameters)

    For the calibration procedure, refer to “8. CALI- BRATION.” OFF: Ends the calibration mode. NOTE: Normally, use the 6243/44 with the Cal Switch Set parame- ter set to OFF. If set to ON, calibration data may be rewritten by the operations. 3-14...

  • Page 97: Random Memory (Random Memory Settings)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) 3.3.7.8 RANDOM MEMORY (Random Memory Settings) Selecting RANDOM MEMORY and pressing the key enables selection of parameters related to the ran- dom memory. Memory Program Enables data settings of the memory (random memory) for ran- dom sweep source data.

  • Page 98: Parameter Save (Saving Parameters)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.7 MENU key (Setting Parameters) 3.3.7.10 PARAMETER SAVE (Saving Parameters) Selecting PARAMETER SAVE and pressing the key enables selection of parameters related to saving of parameters. Save 0 Enables execution of saving parameters in block 0 (nonvolatile memory).

  • Page 99: Mode Key (Source Mode)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.8 MODE key (Source Mode) 3.3.8 MODE key (Source Mode) When the MODE key is pressed in the Standby status, the mode changes to the Source mode. The Source mode is indicated in the lower right of the screen by the following indicators.

  • Page 100: Range Key (Source Range)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.12 RANGE key (Source Range) 3.3.12 RANGE key (Source Range) Pressing the RANGE key changes the source range and limiter range. (Down) key: Moves to the lower range. (Up) key: Moves to the higher range.

  • Page 101: Vm/Im Key (Measurement Functions)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.3.17 VM/IM key (Measurement Functions) 3.3.17 VM/IM key (Measurement Functions) Pressing the VM/IM key switches between voltage and current measurements. Voltage measurement Current measurement 3.3.18 VS/IS key (Source Functions) Pressing the VS/IS key switches between voltage and current sources.

  • Page 102: List Of Settings

    3.4 List of Settings List of Settings This list shows the setting ranges of the 6243/44 parameters and the factory settings. To return to the factory settings, turn ON the power by pressing the + key. When returning to the factory settings, all the parameters are initialized except for the line frequency, and the data in the random memory is cleared.
  • Page 103 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.4.1 6243 Setting Ranges and Factory Settings Panel key Parameter group Parameter type Range Factory setting 500 s/1 ms/10 ms/1 PLC/10 PLC/100 PLC Integration time 1 PLC Auto zero ON/OFF MEASURE Number of digits for measurement...

  • Page 104: 6244 Setting Ranges And Factory Settings

    6243/44 DC Voltage Current Source/Monitor Operation Manual 3.4.2 6244 Setting Ranges and Factory Settings 3.4.2 6244 Setting Ranges and Factory Settings Panel key Parameter group Parameter type Range Factory setting Source mode DC/PLS/SWP/PSW Source function VS/IS 320 mV to 20 V/320 A to 10 A...
  • Page 105 6243/44 DC Voltage Current Source/Monitor Operation Manual 3.4.2 6244 Setting Ranges and Factory Settings Panel key Parameter group Parameter type Range Factory setting Power frequency 50 Hz/60 Hz 50 Hz GPIB address 00 to 30 SYSTEM Talker only Addressable/Talk Only...

  • Page 107: Practical Guide For Measurements

    Only for 6243, the front output terminals and rear output terminals are connected during Standby. NOTE: For the 6243, connect the DUT using either the front output terminals or the rear output terminals. CAUTION: If an external power source, like a battery, is connected to both the front output terminals and rear output terminals, a short circuit will occur internally.

  • Page 108: Remote Sensing (2-Wire/4-Wire Connection)

    Figure 4-2 Internal Wiring (6244) 4.1.2 Remote Sensing (2-wire/4-wire Connection) When connecting the 6243/44 and the DUT, select 2-wire connection or 4-wire connection considering the following. • When the output current is a relatively low current and lead resistance is not a problem, use a 2-wire connection.
  • Page 109 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.1.2 Remote Sensing (2-wire/4-wire Connection) Figure 4-3 2 Wire / 4 Wire Connections...
  • Page 110 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.1.2 Remote Sensing (2-wire/4-wire Connection) NOTE: For 6243, the maximum remote sensing voltage (allowable voltage difference between OUTPUT-  SENSE) is 0.5 V for both HI and LO sides. To meet the specified accuracy, adhere to the following restrictions on r to r ...

  • Page 111: Driving Guard (6243 Only)

    Oscillation Prevention If the DUT itself oscillates, a capacitance or an inductance exceeding the rated values is connected, the 6243/44 may oscillate (due to the stray capacitance and residual capacitance of the connection leads, scan- ner, fixture, etc.). Oscillation of the device and oscillation of the 6243/44 can be distinguished by the oscillation frequency.

  • Page 112: Reducing Stray Capacitance And Lead Inductance

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.1.4 Oscillation Prevention Figure 4-4 Reducing Stray Capacitance and Lead Inductance...

  • Page 113: Oscillation Of The Device Itself

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.1.4 Oscillation Prevention 4.1.4.2 Oscillation of the Device Itself The device itself may oscillate due to stray capacitance from the leads or test fixture. The possibility of oscillation is especially high for high hFE transistors and high gm FETs.

  • Page 114: Connection For High-Current Measurement

    For the OUTPUT test lead, use a wire with a diameter larger than those indicated in the table below and ensure that the voltage differential between OUTPUT and SENSE is 0.5 V or lower for both Hi and Lo for 6243, and 1.0 V or lower for 6244. The output range, including this voltage differential, is restricted.

  • Page 115: Connecting To The Fixture 12701A

    NOTE: Adhere to the following precautions to prevent electric shock. Be sure to ground the 12701A’s protective ground terminal Be sure to connect the 12701A’s LID SIGNAL and the INTERLOCK terminal on the rear panel of the 6243/ 44, and set the 6243/44’s Operate Signal parameter to Interlock In.

  • Page 116: Operation In The Dc Source Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.2 Operation in the DC Source Mode Operation in the DC Source Mode Table 4-2 shows the operation in the DC source mode. Table 4-2 Operation in the DC Source Mode Condition Sampling...
  • Page 117 (d) Change from the Operate status to the Standby status in the hold mode, and source value changes including range changes • When a trigger is input during range change processing, the 6243/44 waits for the processing com- pletion and the Measure Delay time and then the measurement starts. •...

  • Page 118: Operation In The Pulse Source Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.3 Operation in the Pulse Source Mode Operation in the Pulse Source Mode Table 4-3 shows the operation in the Pulse source mode. Table 4-3 Operation in the Pulse Source Mode Condition Sampling...
  • Page 119 (c) Change from Operate status to Standby status in the free run mode, and source value changes including range changes • When Operate is specified, the 6243/44 waits for the Operate processing time + Source Delay time and then generates the pulse. •...

  • Page 120: Operation In The Sweep Source Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.4 Operation in the Sweep Source Mode Operation in the Sweep Source Mode (1) Sweep source mode operation Table 4-4 shows the operation in the sweep source mode. Table 4-4 Operation in the Sweep Source Mode...

  • Page 121: Staircase Sweep

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.4.1 Staircase Sweep (2) Changing parameters for sweep measurement Parameters for sweep measurement can only be changed in Standby status. However, the following items can be changed during sweep stop in the Operate status.

  • Page 122: Staircase Sweep (One-Way Sweep)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.4.1 Staircase Sweep Figure 4-9 Staircase Sweep (One-Way Sweep) 4-16...

  • Page 123: Pulse Sweep

    • When a start trigger is received, the start value is output. • After receiving a start trigger, the 6243/44 waits for the Hold time + Source Delay time and then the measurement starts. • When the trigger mode is internal, after completion of measurement and period, the 6243/44 waits for the Source Delay time and then outputs the next Step value or the Bias Value (End Value).
  • Page 124 Bias Values are output before sweep start and after sweep finish. • When a start trigger is received, the Base Value is output and the 6243/44 waits for the Hold time. • After waiting for the Hold time + Source Delay time, the 6243/44 outputs the pulse value.

  • Page 125: Random Sweep And Random Pulse Sweep

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.4.3 Random Sweep and Random Pulse Sweep 4.4.3 Random Sweep and Random Pulse Sweep Random Sweep sweeps the source values stored in the random memory from the specified start address to the stop address.

  • Page 126: Round-Trip Sweep (Reverse On)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.4.4 Round-Trip Sweep (Reverse ON) 4.4.4 Round-Trip Sweep (Reverse ON) This section explains round-trip sweep for Staircase sweep (Section 4.4.1) and Pulse sweep (Section 4.4.2). Figure 4-12 Round-Trip Sweep (Reverse ON) <Explanations of illustrations>...

  • Page 127: Source Functions

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5 Source Functions Source Functions The following explain operations and restrictions about source. 4.5.1 Changing the Source Mode and Source Function When the Source Mode or Source Function is changed, the source value and limiter value change as shown in Figure 4-13.

  • Page 128: 4.5.2 Source Value Restrictions

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5.2 Source value Restrictions (2) Mode change examples When set as follows: Source Value: +1.0000 V. Limiter Value: 0500.0 mA. Bias Value: +0.0000 V. Source Mode Source Value Limiter Value V S : + 1 . 0 0 0 0 V L : 0 5 0 0 .

  • Page 129: Source Range

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5.3 Source Range (2) Restrictions on each source value Base value: The polarity specified at the time of setting is ignored and becomes the same as that of the pulse value. Start value: 0 generates an error for log sweep.

  • Page 130: Range And Data Differences In Accordance With Range Specification (Example: Showing Dc Sweep With 6243)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5.3 Source Range Set values and decided ranges for auto range Specified Setting value range 0 V |V| 320 mV 320 mV 320 mV  |V| 3.2 V Voltage 3.2 V 3.2 V  |V| 32 V...

  • Page 131: Range Operation During Sweep

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5.3 Source Range (2) Range operation during sweep operation When the auto range is set, the sweep operation sweeps while switching the source range. The range is switched immediately before the next step is output. Consequently, the step time is pro- longed by the amount of time required for the range switch processing.

  • Page 132: Polarity Change

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.5.4 Polarity Change 4.5.4 Polarity Change (1) Polarity change in the Pulse source mode If the polarity of the source value (pulse value) is changed in the Pulse source mode, the polarity of the Base Value also changes as shown in the figure below.

  • Page 133: Sweep Operation Straddling Polarities

    4.5.4 Polarity Change (2) Sweep operation straddling polarities With the exception of log sweeps and log pulse sweeps, the 6243/44 is capable of sweep straddling polarities. When polarities are straddled, the step time before switching is delayed by the polarity switch time.

  • Page 134: Reverse Polarity Source Operation

    4.5.5 Reverse Polarity Source Operation When 6243/44 is used with the current source function (IS), the current is normally output with the spec- ified polarity. (Figure 4-16 a) However, when an external source is connected, the voltage limiter (V ) is...

  • Page 135: Measurement Function

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.6 Measurement Function Measurement Function 4.6.1 Measurement Function Regardless of the source function, the measurement function can be selected as voltage measurement or current measurement. 4.6.2 Measurement Ranging The measurement ranging types and their functions are shown below:...

  • Page 136: Current Measurement In Auto Range And Limiter Operation

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.6.2 Measurement Ranging (1) The measurement auto range in the DC source mode and Pulse source mode Figure 4-17 Current Measurement in Auto Range and Limiter Operation (1/2) Figure 4-17 Current Measurement in Auto Range and Limiter Operation (2/2)
  • Page 137 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.6.2 Measurement Ranging During the operation of the current measurement auto range, measurement is made while the limiter is changed to a value that is larger than the full scale of the measurement range.

  • Page 138: Auto Ranging During Sweep Mode Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.6.2 Measurement Ranging (2) Auto range measurement during sweep During sweep operation, measurement is made in each step but if the measurement range is set to Auto range, auto ranging is performed until measurement data can be confirmed in each step.

  • Page 139: Auto-Zero Function

    4.6.3 Auto-Zero Function The 6243/44 features a function for canceling the offset drift of the AD converter. This “Auto-zero” func- tion periodically measures the zero point and cancels drift. When the Auto-zero function is set to ON, Auto-zero operation takes place under the following conditions.

  • Page 140: Limiter (Compliance)

    Appropriate settings of these limiters can prevent damage due to over-voltage and over-current to the device. The 6243/44’s limiters for both voltage and current have both + and - polarities, and the set limiter values (non-polar) are applied for both + and - polarities.

  • Page 141: Range In Relation To The Limiter Setting Value

    If set with the direct input mode, the range will automatically be decided by the set value. Table 4-12 and Table 4-13 show the range in relation to the limiter setting values. Table 4-12 Range in Relation to the Limiter Setting Value (6243) Limiter setting Range 3 mV V...

  • Page 142: Range In Relation To The Limiter Setting Value

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.7.1 Limiter Setting Ranges Table 4-13 Range in Relation to the Limiter Setting Value (6244) Limiter value Range 3 mV V 320 mV 320 mV 320 mV  V 3.2 V Voltage limiter 3.2 V...

  • Page 143: Limiter Polarity Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.7.2 Limiter Polarity Mode 4.7.2 Limiter Polarity Mode Limiters (compliance) possess both +/- polarities for both voltage source and current source but it is pos- sible to accurately calibrate the setting for only one of these polarities, i.e., either + or -.

  • Page 144: Alarm Detection

    4.8 Alarm Detection Alarm Detection The following alarm detection function is available to help prevent damage to the 6243/44 as well as the DUT. When any of these alarm conditions is detected, a message is displayed and output to the GPIB device event register, error register, measurement data header, etc.
  • Page 145 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.8 Alarm Detection The differences between the upper case and the lower case indications of OSC/osc, RP/rp, and LM/ • lm are as follows: GPIB output Display Timing of detection Buzzer Sub-header Status OSC, ...

  • Page 146: Source Timing And Measurement Timing

    4.9 Source Timing and Measurement Timing Source Timing and Measurement Timing The 6243/44’s timing of source and measurement differs depending on the source mode as shown in Table 4-15. To ensure accurate measurement, consider the relevant timings for source and measurement, and set the rel- evant parameters.

  • Page 147: 4.9.1 Restrictions On Time Parameters

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.1 Restrictions on Time Parameters 4.9.1 Restrictions on Time Parameters The following explain the setting ranges of the time parameters and interrelated restrictions. (1) Setting time ranges Source Delay time: (Tds) Setting range Resolution 10 s to 600.00 ms...
  • Page 148 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.1 Restrictions on Time Parameters Hold Time: (Th) Setting range Resolution 3 ms to 60000 ms 1 ms Auto Range Delay time: (Ta) Setting range Resolution 0 ms to 500 ms 1 ms...

  • Page 149: Output Waveform In Accordance With Time Parameters

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.1 Restrictions on Time Parameters Figure 4-19 Output Waveform in Accordance With Time Parameters When Tw  Tp as in b4), b5) and b6), the next Tds starts with no return to the base at the end of the pulse width.

  • Page 150: Measure Delay And Settling Time

    4.9.2 Measure Delay and Settling Time In the Pulse source mode and the Sweep source mode, the 6243/44 waits for the source value and DUT to settle before measurement. The following explain the 6243/44’s settling time and the required Measure Delay.
  • Page 151 32000 320 A to 10 A (2) Current source The 6243/44’s settling time (Ts) becomes, in accordance with the current source change value (Is), · Is). the current sense resistance (Rs) and the load voltage, (V Set the Measure Delay (Td) higher than Ts.
  • Page 152 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.2 Measure Delay and Settling Time When 0.2 mA is applied to a 100 k resistor in the 320 A range Example 2: Is = 0.2 mA = 20 V = 560 s 28 V / (Rs·...
  • Page 153 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.3 Integration Time and Measurement Time When a capacitive load (C ) is connected as the load, time is also required for C charging in addition to the settling time described above. · V...

  • Page 154: Auto Range Delay

    Auto Range The Auto Range Delay (Ta) is set as a value for the 32 A range for both 6243 and 6244, and for the other ranges a 1/10-value is set for each range as shown in the following table.
  • Page 155 6243/44 DC Voltage Current Source/Monitor Operation Manual 4.9.4 Auto Range Delay • Ta guideline Use the following formula to calculate the guideline for the Ta setting.  50 mV = 1500  C Ta = 32 A = 1 F...

  • Page 156: 4.10 Computing Functions

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.10 Computing Functions 4.10 Computing Functions 4.10.1 NULL Calculation The NULL calculation is a calculation for canceling leak current, off set values, etc. (a) Calculation expression R = X - Xnull Current measurement data...

  • Page 157: Comparator Calculation

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.10.2 Comparator Calculation 4.10.2 Comparator Calculation (1) Calculation expression The result of a Comparator calculation is decided as shown below: Du  X ........ HI  X  Du ......GO X  D .........

  • Page 158: 4.11 External Control Signals

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.11 External Control Signals 4.11 External Control Signals These signals are I/O signals for synchronizing multiple units, scanning, DMM control, interlock and other external controls. Table 4-16 shows the signal names, levels, and functions.
  • Page 159 • Use the BUSY IN signal in synch with the operation of the 6243/44. Operation is not guaranteed if it is input asynchronously with no relation to the operation of the 6243/44. • When the BUSY IN signal is LO level, do not input the trigger (*TRG) from the TRIGGER key or GPIB.

  • Page 160: Timing Of External Control Signals

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.11.1 Signal Timing 4.11.1 Signal Timing The TRIGGER IN, SYNC OUT, COMPLETE OUT timing in each of the source modes is shown in the following. Figure 4-21 Timing of External Control Signals 4-54...

  • Page 161: Control Of Scanner

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.11.2 Control of Scanner 4.11.2 Control of Scanner The following example shows how to control the 7210 scanner. The following figure shows the timing and a connection diagram for an example in which measurement is done in the Pulse source mode and the 7210 CH switch is performed by the COMPLETE OUT (END) signal.

  • Page 162: 4.12 Synchronized Operation, Serial Connection, And Parallel Connection

    Figure 4-23 shows a connection diagram and timing chart for synchronized operation using the BUSY sig- nal. This example shows synchronization of 6243/44 No. 2 and No. 3 by the signal from 6243/44 No. 1 in the Pulse source mode. Also, the Operate/Standby status is controlled by the Operate Signal.

  • Page 163: Synchronized Operation Using The Busy Signal

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.12.1 Synchronized Operation • Settings Parameter item No.1 No.2 No.3 Complete/Busy Busy In Busy Out Busy Out Operate Signal ON/OFF In ON/OFF In RUN/HOLD HOLD HOLD (Panel key) • Connections • Operating timing...

  • Page 164: Serial Connection

    4.12.2 Serial Connection Using two 6243/44 units in series enables use of a source up to 220 V/0.5 A (6243) or 40 V/4 A (6244). Figure 4-24 shows a connection diagram in which two units are serially connected using a 4-wire connec- tion.

  • Page 165: 4.12.3 Parallel Connection

    4.12.3 Parallel Connection Using two 6243/44 units in parallel connection enables use of a source up to 4 A/32 V (6243) or 20 A/ 7 V (6244). Figure 4-25 shows a connection diagram in which two units are connected in parallel using a 4-wire con- nection.

  • Page 166: 4.13 Measurement Data Storing Function

    4.13 Measurement Data Storing Function 4.13 Measurement Data Storing Function The 6243/44 features a measurement data memory for storing up to 5000 measurement data. The following explain how data is stored in and cleared from the measurement data memory. 4.13.1 Storing Measured Data into Data Memory (Memory Store) There are two ways to store the measured data.

  • Page 167: Comparison Of Storing Measured Data

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.13.1 Storing Measured Data into Data Memory (Memory Store) Table 4-17 Comparison of Storing Measured Data Normal Burst Low speed measurement High speed measurement When storing measured When reading the mea- Recommended Application...

  • Page 168: Clearing Saved Data (Memory Clear)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.13.2 Clearing Saved Data (Memory Clear) 4.13.2 Clearing Saved Data (Memory Clear) The saved data can be performed in the following. • When the Memory Clear parameter is executed • When the Normal mode or the Burst mode is turned ON •...

  • Page 169: 4.14 Operating Principles

    6243/44 DC Voltage Current Source/Monitor Operation Manual 4.14 Operating Principles 4.14 Operating Principles 4.14.1 Block Diagram Figure 4-27 Block Diagram of Source and Measurement Sections 4-63...

  • Page 170: Operating Principles

    4.14.2 Operating Principles 4.14.2 Operating Principles The following is a simple explanation of the block diagram for the 6243/44’s source and measurement sec- tions shown in Figure 4-27. • The 6243/44 contains the DA converter VDAC for setting the voltage source and the voltage limiter.

  • Page 171: Gpib Command Index

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5. REMOTE PROGRAMMING REMOTE PROGRAMMING This chapter provides an overview of the GPIB interface and describes the connections and settings. This chapter also contains lists of commands for programming and introduces program examples.
  • Page 172 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.1 GPIB Command Index NL ............5-23 SL1............5-28 NL0 ............5-23 SL2............5-28 NL1 ............5-23 SM............5-26 NLX ............5-23 SM0............5-26 NP ............5-26 SM1............5-26 OH............5-28 SM2............5-26 OH0............
  • Page 173 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.1 GPIB Command Index XNXT ............5-29 XOUT ............5-29 XR3 ............5-29 XR4 ............5-29 XR5 ............5-29 XR6 ............5-29 XR7 ............5-29 XR8 ............5-29 XR9 ............5-29 XS- ............5-29 XS+ ............

  • Page 174: Gpib Remote Programming

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2 GPIB Remote Programming GPIB Remote Programming The 6243/44 comes with a GPIB (General Purpose Interface Bus) conforming to the IEEE standard 488-1978 as standard enabling remote control from an external controller. 5.2.1 What GPIB Is GPIB is a high-performance bus for integrating computers and measuring instruments.
  • Page 175 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.2 GPIB Setup GPIB connector The precautions for the GPIB interface connection are as follows: • The total length of the GPIB cables used in one bus system must not exceed 20 meters and must not be longer than 2 m ...
  • Page 176 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.2 GPIB Setup (2) GPIB address setting Press the MENU button and rotate the Data knob. The parameter group selection screen appears as shown below. AZERO MENU SELECT SYSTEM Press the button. The parameter selection screen appears as shown below.

  • Page 177: Gpib Interface Functions

    This message is sent directly to the 6243/44 through the signal line. When this message is true, the 6243/44 is specified as a listener and is put in the remote status. This status continues until GTL is received, REN becomes false, or the LOCAL button is pressed. When set in the local status, the 6243/ 44 ignores all the received data.
  • Page 178 (7) Local Lock Out (LLO) This message sets the 6243/44 to local lock out status. In this status, when the 6243/44 is in the remote status, all the operations on the front panel are disabled. (In the normal remote status, pressing the LOCAL button will enable operations via the front panel.)

  • Page 179: 5.2.5 Message Exchange Protocol

    5.2.5 Message Exchange Protocol The 6243/44 receives program messages and issues response data from and to the controller and other devices through the GPIB bus. Program messages comprise commands and queries (“query” refers in par- ticular to commands that ask for response data in return). The exchange of these data follows a specific procedure.

  • Page 180: Data Format

    5.2.7 Data Format 5.2.7 Data Format The 6243/44 uses the following data types for input and output of data. (1) Numeric values Numeric value formats comprise the following 3 formats and any format can be used for input to the 6243/44.

  • Page 181: 5.2.8 Status Byte

    The 6243/44 features a hierarchical status register structure that conforms to the IEEE standard 488.2-1987 and can send various statuses of the 6243/44 to the controller. The following explain the operation model of this status byte together with the event allocation.

  • Page 182: Structure Of Status Registers

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte Figure 5-1 shows the structure of status registers. Measurement complete. Self-diagnostic error when Sweep pausing the power turns on. Sweep completed. Self-diagnostic error Calibration completed. The fan stops. In operation...

  • Page 183: Structure Of Status Byte Register

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte (2) Event Enable Register Each Event Register has an Event Enable Register that determines which bit to enable. The Enable Register sets the relevant byte in decimal values. • Service Request Enable Register setting: *SRE •...
  • Page 184 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte This register responds to the serial poll from the controller. When responding to the serial poll, the Status Byte Register’s bit 0 to 5, bit 7 and RQS are read out, after which RQS is reset to 0.
  • Page 185 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte (4) Standard Event Register Table 5-2 shows the functions assigned to the Standard Event Register. Table 5-2 Standard Event Register Function definition Description Not used. Always set to 0. Not used.
  • Page 186 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte Table 5-3 Device Event Register (2 of 2) Function definition Description OPR Operate When the operating status is set, bit 11 is set to 1. OFF: When the standby status is set, bit 11 is set to 0.
  • Page 187 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.8 Status Byte (6) Error Register Table 5-4 shows the functions assigned to the Error Register. Table 5-4 Error Register Function definition Description Unknown Command When receiving an unknown remote command, bit 15 is set to 1.

  • Page 188: Date Output Format (Talker)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.9 Date Output Format (Talker) 5.2.9 Date Output Format (Talker) (1) Measurement data output format (ASCII) For normal measurement and when the data is read out from the measurement buffer memory with ...
  • Page 189 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.9 Date Output Format (Talker) (a) Header Sub header Main header Main header Description Voltage measurement value Current measurement value Data is not stored in the specified recall buffer memory number. Sub header...
  • Page 190 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.9 Date Output Format (Talker) (b) Fixed-point part and exponent part The fixed-point part and exponent part are determined by the measurement function, the range and the number of measurement digits. Fixed-point Exponent part...

  • Page 191: Gpib Code List

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List 5.2.10 GPIB Code List 5.2.10.1 GPIB Code List Default indicates the factory default settings, and the initialized statuses resulting from the *RST and RINI commands. However, *1 is not initialized by the RINI command and *2 is not initialized by the RINI and *RST com- mands.
  • Page 192 Units: MV, V, UA, and MA An error occurs when a unit that is not used for the current source function is specified, Default value (6243): DB 000.00E-3V (for the voltage function) DB 00.000E-6A (for the current function) Default value (6244): DB 000.00E-3V (for the voltage function) DB 000.00E-6A (for the current function)
  • Page 193 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (3 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation 500 s MEASURE Integration time (Continued) 1 ms 10 ms...
  • Page 194 The query command that sets the external single wire output signal pulse width. Responds with CW... *c: When specifying this setting to the 6243/44 which uses the ROM version A02 or earlier, a command syntax error occurs. 5-24...
  • Page 195 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (5 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation SWEEP Linear sweep Specifying a unit: The optimal range is automatically set.
  • Page 196 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (6 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation SWEEP The sweep SS <data> (Continued) repetition number <data>: The sweep repetition number(0 to 1000) The sweep can be repeated continuously when set to 0.
  • Page 197 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (7 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation MEASURE The measurement Responds with: Response: RN0,0 to RN0,4999 or RN1,0 to RN1,4999...
  • Page 198 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (8 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation GPIB Block delimiter CR/LF, EOI The block delimiter query command The response is DL...
  • Page 199 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-5 GPIB Command List (9 of 9) Operation Item Command Description Default During DC/ During sweep PLS operation operation CALIBRATION Calibration mode XENT Enters the calibration mode. (Cal Switch ON + operation) XOUT Exit the calibration mode.

  • Page 200: Ter? Command Response

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List 5.2.10.2 TER? Command Response Table 5-6 shows the responses and their meanings when the results of self-tests are recalled using the TER? command. Figures are added for data where multiple reasons for the error exist.
  • Page 201 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.10 GPIB Code List Table 5-6 TER? Command Response (2 of 2) Register Data Error message Pass (No error) IM 32A ZERO IM 320A ZERO IM 3.2mA ZERO IM 32mA ZERO IM 320mA ZERO IM 2A ZERO /IM 3.2A ZERO...
  • Page 202 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples 5.2.11 Program Examples Explained here are basic program examples operating the 6243/44 from a computer through the GPIB bus. Computer: Fujitsu FMV-6266T6, Windows 95 GPIB hardware: AT-GPIB/TNT(PnP) manufactured by NATIONAL INSTRUMENTS Used module: Niglobal.bas, Vbib-32.bas (supplied with AT-GPIB/TNT(PnP)
  • Page 203 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples Call SUBsend(vig, “D-2V”) ’ DC source value -2 V Call SUBmeas(vig) ’ Measurement trigger & data recall Call SUBsend(vig, “D4V”) ’ DC source value 4 V Call SUBmeas(vig) ’ Measurement trigger & data recall Call SUBsend(vig, “F1”)

  • Page 204: Program Example 2: Pulse Measurement

    = 1 ’ 6243/44 address 1 Call ibdev(board, pad, 0, T10s, 1, 1, vig) ’ Opening and initializing device (6243/44) (timeout 10 s) Call ibconfig(vig, IbcUnAddr, 1) ’ Address setting performed for each transmission or reception Call ibeos(vig, &H40A) ’...
  • Page 205 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples Call ibwrt(vig, “*TRG” & Chr$(10)) ’ Measurement trigger actuated Call ibrd(vig, dt) ’ Measurement data recall Text1.SelStart = Len(Text1.Text) + 1 ’ Specifying display position for text box (Text1) Text1.SelText = dt & vbCrLf ’...
  • Page 206 = 1 ’ 6243/44 address 1 Call ibdev(board, pad, 0, T10s, 1, 1, vig) ’ Opening and initializing device (6243/44) (timeout 10 s) Call ibconfig(vig, IbcUnAddr, 1) ’ Address setting performed for each transmission or reception Call ibeos(vig, &H40A) ’...
  • Page 207 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples Call SUBsend(vig, “H”) ’ Output OFF ’ Measurement buffer memory data recall Call SUBsend(vig, “RN1,0”) ’ Setting to measurement buffer memory recall mode and specifying ’ recall address from 0 ’...

  • Page 208: Program Example 4: Diode Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples 5.2.11.4 Program Example 4: Diode Measurement Option Explicit ’ Explicit declaration for all variables Private Sub Start_Click() ’ Event procedure for the command button (Start) Dim board As Integer ’ GPIB board address Dim pad As Integer ’...
  • Page 209 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples Call ibonl(vig, 0) ’ Setting device (6243/44) to offline End Sub ’ Event procedure completed ’ Subroutine Private Sub SUBmeas(vig As Integer) ’ Recalling measurement data by measurement trigger Dim dt As String * 20 ’...
  • Page 210 = 1 ’ 6243/44 address 1 Call ibdev(board, pad, 0, T30s, 1, 1, vig) ’ Opening and initializing device (6243/44) (timeout 30 s) Call ibconfig(vig, IbcUnAddr, 1) ’ Address setting performed for each transmission or reception Call ibeos(vig, &H40A) ’...
  • Page 211 6243/44 DC Voltage Current Source/Monitor Operation Manual 5.2.11 Program Examples Else ’ If no timeout Call ibrsp(vig, s) ’ executing serial poll End If ’ Ending If Call SUBsend(vig, “H”) ’ Output OFF ’ Measurement buffer memory data recall ’ No output data header, block delimiter EOI Call SUBsend(vig, “SZ?”)

  • Page 213: Compatibility With Tr6143

    Products with an A02 or earlier ROM revision do not feature the TR6143 Mode 2 function. NOTE: The TR6143 Mode is designed so that user programs used in the TR6143 can be used in 6243/44 without major modifications. However, some functions such as command processing time are not compatible with TR6143.
  • Page 214 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.1 Setting the TR6143 Mode Releasing the TR6143 Mode While pressing the MODE and DIRECT buttons, turn ON the power. R6243 Action* appears in the lower right of the screen, the TR6143 Mode is released and all the lamps light up.

  • Page 215: Differences Between The Tr6143 Mode And The Original Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.2 Differences Between the TR6143 Mode and the Original Mode Differences Between the TR6143 Mode and the Original Mode Some functions are different between the TR6143 Mode and the Original Mode (normal mode). Table 6-1 shows these differences.
  • Page 216 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.2 Differences Between the TR6143 Mode and the Original Mode Table 6-1 Differences Between the TR6143 Mode and the Original Mode (2 of 2) Function Original mode TR6143 mode Measurement Mode Burst, Normal, or OFF...

  • Page 217: List Of Defaults In The Tr6143 Mode

    List of Defaults in the TR6143 Mode 6.3.1 6243 Default Values Table 6-2 shows the initial values and setting ranges of parameters in the TR6143 mode. Table 6-2 List of Defaults in the TR6143 Mode (6243) (1 of 2) Parameter group Parameter item Parameter setting range...
  • Page 218 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.3.1 6243 Default Values Table 6-2 List of Defaults in the TR6143 Mode (6243) (2 of 2) Parameter group Parameter item Parameter setting range Factory setting 500 s/1 ms/10 ms/1 PLC/10 PLC/100 PLC...

  • Page 219: 6244 Default Values

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.3.2 6244 Default Values 6.3.2 6244 Default Values Table 6-3 shows the initial values and setting ranges of parameters in the TR6143 mode. Table 6-3 List of Defaults in the TR6143 Mode (6244) (1 of 2)
  • Page 220 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.3.2 6244 Default Values Table 6-3 List of Defaults in the TR6143 Mode (6244) (2 of 2) Parameter group Parameter item Parameter setting range Factory setting Comparator operation ON/OFF 0.000 mV to 110 V/0.0000 A to 2 A The Comparator upper limit +0000.00 mA...

  • Page 221: Gpib In The Tr6143 Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4 GPIB in the TR6143 Mode GPIB in the TR6143 Mode Explained here are the GPIB commands, output data format, and status byte in the TR6143 mode. 6.4.1 TR6143 Mode GPIB Code List In the TR6143 mode, the (1) TR6143 unique commands can be used but the (2) commands cannot be used.

  • Page 222: Tr6143 Mode Unique Commands

    In the TR6143 Mode, V - is set to voltage source current measurement, I -, current source voltage measurement. Since the 6243/44 does not feature a source response switching function, this command will not work even if issued (no error generated).

  • Page 223: Commands That Cannot Be Used In The Tr6143 Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.1 TR6143 Mode GPIB Code List (2) Commands that cannot be used in the TR6143 mode Table 6-5 shows the commands that cannot be used in the TR6143 mode. Using these commands in the TR6143 mode will generate Command Execution Error.

  • Page 224: Data Output Format In The Tr6143 Mode (Talker)

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) 6.4.2 Data Output Format in the TR6143 Mode (Talker) (1) Measurement data output format (ASCII) When ASCII data output is specified for OM0 and OM1, the normal source and measurement data and the data from the measurement data buffer memory are output in the following ASCII format.
  • Page 225 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) • Fixed-point part and exponent part The fixed-point part and exponent part are determined by the source/measurement function, range, and number of measurement digits.
  • Page 226 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) (2) Measurement buffer data output format (ASCII) When measurement buffer store is turned on by OM5 and ASCII data output is subsequently speci- fied, all the data at the time when the talker is specified by the controller in the buffer are recalled continuously.
  • Page 227 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) • Fixed-point part and exponent part The fixed-point part and exponent part are determined by the source/measurement function, range and number of measurement digits.
  • Page 228 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) • Block delimiter A block delimiter is output to indicate the end of one set of data. The block delimiter can be specified by commands.
  • Page 229 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) • Flag Description Current or voltage measurement data Data when the comparison operation result is GO Data when the comparison operation result is LO Data when the comparison operation result is HI Data when the limiter (LMT) performs.
  • Page 230 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) • Data • Complement-on-two data • Depending on the Resolution setting, the byte length changes as follows: Resolution Byte Data range Default 4-1/2 digits...
  • Page 231 6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.2 Data Output Format in the TR6143 Mode (Talker) (5) Operation status When operation status output is specified by OM4, the operation status is output in the following for- mat. (a) (b) (c)

  • Page 232: Status Byte In Tr6143 Mode

    6243/44 DC Voltage Current Source/Monitor Operation Manual 6.4.3 Status Byte in TR6143 Mode 6.4.3 Status Byte in TR6143 Mode The status byte in the TR6143 Mode can be switched between Level 0 and Level 1 by the S2/S3 command. Table 6-6 shows the meaning of each bit in the Status Byte Register for Level 0 and Level 1, respectively.

  • Page 233: Performance Tests

    6243/44 DC Voltage Current Source/Monitor Operation Manual 7. PERFORMANCE TESTS PERFORMANCE TESTS This chapter describes the operations used for checking whether the 6243/44 can perform correctly within the accuracy ranges specified. 6243 Tests 7.1.1 Measuring Instruments Required for Performance Tests The measuring instruments required for the performance tests are the same as those shown in Section 8.1.1,...
  • Page 234 Connect the 6243 and the DMM as shown in Figure 8-1 (b). Set DMM to DCI, auto range, and the integration time at 10 PLC or longer. Set the 6243 to DC source mode, free run, and the integration time at 10 PLC or longer.

  • Page 235: Measuring Instruments Required For Performance Tests

    6243/44 DC Voltage Current Source/Monitor Operation Manual 7.2 6244 Tests 6244 Tests 7.2.1 Measuring Instruments Required for Performance Tests The measuring instruments required for the performance tests are the same as those indicated in Section 8.2.1, “Cables and Measuring Instruments Required for Calibration.”...
  • Page 236 NOTE: If the result of this test does not fall within the accuracy specifications, calibrate the 6243/44 as outlined in Section 8.2, “6244 Calibration” or contact an ADC CORPORATION sales representative for calibration or servicing. (3) Current source measurement test (320 A - 320 mA range) Connect the 6244 and the DMM as shown in Figure 8-3 (b).
  • Page 237 5. NOTE: If the result of this test does not fall within the accuracy specifications, calibrate the 6243/44 as outlined in Section 8.2, “6244 Calibration” or contact an ADC CORPORATION sales representative for calibration or servicing.

  • Page 239: Calibration

    This chapter explains how to calibrate the 6243/44 to ensure that the 6243/44 is used within the specified accuracy ranges. In order to use the 6243/44 with the specified accuracy, periodic calibration at least once a year is recom- mended.

  • Page 240: Safety Precautions

    (1) Use an AC power supply with the specified voltage. (2) Set the Line Frequency to 50 Hz or 60 Hz to match the line frequency. (3) Calibrate the 6243/44 under the following conditions in a location free of dust, vibrations, line noise, etc.

  • Page 241: Connections

    6243/44 DC Voltage Current Source/Monitor Operation Manual 8.1.3 Connections 8.1.3 Connections Figure 8-1 shows the connections for calibration using the 6581. 6243 6581 D.GUAR SENSE OUTPUT GUARD LO I FUSE Connections used for confirmation and calibration of 6243 Voltage source measurement 6581 D.GUAR...

  • Page 242: 8.1.4 Calibration Points And Tolerance Range

    8.1.4 Calibration Points and Tolerance Range 8.1.4 Calibration Points and Tolerance Range Calibrate the 6243/44 using measuring instruments satisfying the required accuracy outlined in Section 8.1.1, “Cables and Measuring Instruments Required for Calibration” meeting the tolerance ranges shown in the following table.
  • Page 243 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.1.5 Calibration Procedure (1) Calibration of voltage source and current source Calibration of voltage source is explained. Calibration of voltage source is performed with the connections shown in Figure 8-1 (a) and the DC Voltage function and auto range are used for the DMM measurement function.
  • Page 244 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.1.5 Calibration Procedure Value generated by rotating the data knob incrementally Cursor Range number 110 V Ranges other than 110 V 0.21363 0.53407 2.1363 5.3407 21.363 53.407 213.63 534.07 2136.3 5340.7 Rotate the Data knob to adjust so that the DMM measured value comes within the tolerance range shown in Section 8.1.4, “Calibration Points and Tolerance...
  • Page 245 Press the ENTER button. Calibration is performed and the measured value appears. Check that the difference between the 6243 measured value and the DMM mea- sured value is within the tolerance range shown in Section 8.1.4, “Calibration Points and Tolerance Range.”...
  • Page 246 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.1.5 Calibration Procedure Upon completion of full calibration, press the button. The range setting screen shown in step 1 returns. 10. Calibrate the other ranges in the same manner by selecting the range on the range setting screen in step 1, and perform the calibration by using the procedures described in steps 3 to 9.

  • Page 247: Initializing Calibration Data

    6243/44 DC Voltage Current Source/Monitor Operation Manual 8.1.6 Initializing Calibration Data 8.1.6 Initializing Calibration Data Normally, the calibration data is not initialized unless the calibration values are abnormal for one reason or another. NOTE: When calibration data is initialized and saved, the default calibration values are saved and the previous calibration data is lost.

  • Page 248: Cables And Measuring Instruments Required For Calibration

    (1) Use an AC power supply with the specified voltage. (2) Set the Line Frequency to 50 Hz or 60 Hz to match the line frequency. (3) Calibrate the 6243/44 under the following conditions in a location free of dust, vibrations, line noise, etc.

  • Page 249: Connections

    6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.3 Connections (5) Upon completion of warm-up, note down the date of the calibration and the date for the next sched- uled calibration on a card or sticker, etc. for convenience. 8.2.3 Connections Connections for Calibration shows the connections for calibration using the 6581 and a standard resistor.

  • Page 250: Calibration Points And Tolerance Range

    8.2.4 Calibration Points and Tolerance Range 8.2.4 Calibration Points and Tolerance Range Calibrate the 6243/44 using measuring instruments satisfying the required accuracy outlined in Section 8.2.1, “Cables and Measuring Instruments Required for Calibration” meeting the tolerance ranges shown in the following table.
  • Page 251 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.5 Calibration Procedure (1) Calibration of voltage source and current source Calibration of voltage source is explained. Calibration of voltage source is performed with the connections shown in Figure 8-3 (a) and the DCV function and auto range are used for the DMM measurement function.
  • Page 252 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.5 Calibration Procedure Press the button. The generation zero calibration mode is invoked, and the zero calibration screen appears. The digit indicated by the cursor (blinking) shows how many counts the source value moves when the Data knob is rotated one click, as shown below.
  • Page 253 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.5 Calibration Procedure 11. Press the POLARITY - button, and calibrate the minus source value using the procedures described in steps 6 to 11. 12. Calibrate the other ranges in the same manner by selecting the range and polarity on the setting screen in step 4, and then calibrate using the procedures described in steps 6 to 11.
  • Page 254 6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.5 Calibration Procedure Check that the difference between the 6244 measured value and the DMM mea- sured value is within the tolerance range shown in Section 8.2.4, “Calibration Points and Tolerance Range.” Upon completion of zero point calibration, press the button.

  • Page 255: 8.2.6 Initializing Calibration Data

    6243/44 DC Voltage Current Source/Monitor Operation Manual 8.2.6 Initializing Calibration Data (4) Exiting calibration NOTE: Upon completion of calibration, be sure to set Cal Switch Set to OFF. Press the button on the calibration item selection screen. The following screen appears asking whether or not the data is to be saved.

  • Page 257: Specifications

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9. SPECIFICATIONS SPECIFICATIONS This chapter describes the specifications of 6243/44. All accuracy specifications are guaranteed for one year at a temperature of 23 5C and a relative humidity not exceeding 85%. 6243 Specifications 9.1.1...
  • Page 258 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.1 Voltage/Current Source Overall accuracy: Including calibration accuracy, 1-day stability, temperature coefficients, and linearity Overall accuracy  (% of setting + V) Voltage source / Range Voltage limiter 0.03 + 200 V 320 mV 0.03 + 600 V...
  • Page 259 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.1 Voltage/Current Source Temperature coefficients: At 0 to 50C Temperature coefficient  (ppm of setting + V)/C Voltage source / Range Voltage limiter 15 + 20 V 320 mV 15 + 50 V 3.2 V...
  • Page 260 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.1 Voltage/Current Source Output noise: At no load to the voltage source and at maximum load [Vp-p]. At load resistance to the current source as shown below [Ap-p]. High- Low-frequency noise frequency noise...
  • Page 261 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.1 Voltage/Current Source The time to reach, from the start time, 0.03% of the final value, by changing the output Settling time: from zero to full scale. However, in the case of a purity load resistor, load capacity will be below 2.5 pF, source value, and the limiter setting will be at full scale.

  • Page 262: Voltage/Current Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.2 Voltage/Current Measurement Maximum inductance: Maximum inductance at which oscillation does not occur during current source or when the current limiter is operating. Current source range Maximum inductance Current limiter range 32 A 100 H...
  • Page 263 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.2 Voltage/Current Measurement Overall accuracy: Including calibration accuracy, 1-day stability, temperature coefficients, and linearity Overall accuracy  (% of reading + V) Voltage measurement Range 0.03 + 100 V 320 mV 0.03 + 150 V 3.2 V...
  • Page 264 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.2 Voltage/Current Measurement Temperature coefficients: At 0 to 50C Temperature coefficient  (ppm of reading + V)/C Voltage measurement Range 15 + 8 V 320 mV 15 + 10 V 3.2 V 15 + 50 V 32 V 15 + 500 V...

  • Page 265: Source And Measurement Functions

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.3 Source and Measurement Functions 9.1.3 Source and Measurement Functions DC source/measurement : Source/measurement of DC voltage/current Pulse source/measurement : Source/measurement of pulse voltage/current Pulse LO value gets the same polarity as HI value.

  • Page 266: Setting Time

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.4 Setting Time 9.1.4 Setting Time Minimum pulse width: 1 ms Minimum step (repeat) time: Source range fixed, free run or internal trigger mode, source delay time 10 s Memory mode Measurement Minimum step time —...

  • Page 267: General Specifications

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.1.5 General Specifications Hold time: Setting range Resolution Accuracy 2% + 1 ms) 3 ms to 60000 ms 1 ms Auto range delay time: Setting range Resolution Accuracy 5% + 1 ms) 0 ms to 500 ms 1 ms 9.1.5...

  • Page 268: 6244 Specifications

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2 6244 Specifications 6244 Specifications 9.2.1 Voltage/Current Source Max. output current 10 A up to 7 V, 4 A up to 20 V Source range: Range Source range Resolution 0 to  320.00 mV 10 V...
  • Page 269 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.1 Voltage/Current Source Overall accuracy: Including calibration accuracy, 1-day stability, temperature coefficients, and linearity Overall accuracy  (% of setting + V) Voltage source / Range Voltage limiter 0.03 + 300 V 320 mV 0.03 + 600 V...
  • Page 270 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.1 Voltage/Current Source Temperature coefficients: At 0 to 50C Temperature coefficient  (ppm of setting + V)/C Voltage source / Range Voltage limiter 15 + 30 V 320 mV 15 + 50 V 3.2 V...
  • Page 271 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.1 Voltage/Current Source Output noise: Voltage source is non-load and within maximum load [Vp-p]. Current source is at load resistance as shown below [Ap-p]. High-frequency Low-frequency noise noise Range Load DC to 100 Hz...
  • Page 272 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.1 Voltage/Current Source The time to reach, from the start time, 0.03% of the final value, by changing the out- Settling time; put from zero to full scale. However, in the case of a purity load resistor, load capac- ity will be below 2.5 pF, source value, and limiter setting will be at full scale.

  • Page 273: 9.2.2 Voltage/Current Measurement

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.2 Voltage/Current Measurement 9.2.2 Voltage/Current Measurement Measurement range: Range Measurement range Resolution 0 to 320.000 mV 1 V Voltage measurement 320 mV 0 to 3.20000 V 10 V 3.2 V 0 to 20.0000 V 100 V...
  • Page 274 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.2 Voltage/Current Measurement 1-day stability: When the AC power and load are constant: Overall accuracy  (% of reading + V) Voltage measurement Range 0.008 + 100 V 320 mV 0.008 + 100 V 3.2 V...
  • Page 275 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.2 Voltage/Current Measurement Effective CMRR: Unbalanced impedance 1 k DC and AC 50/60 Hz 0.08% Integration time 500 s to 10 ms 1 PLC to 100 PLC Voltage measurement/ 60 dB 120 dB Current measurement AC 50/60 Hz 0.08%...

  • Page 276: Source And Measurement Functions

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.3 Source and Measurement Functions 9.2.3 Source and Measurement Functions DC source/measurement : Source/measurement of DC voltage/current Pulse source/measurement : Source/measurement of pulse voltage/current Pulse LO value gets the same polarity as HI value.

  • Page 277: Setting Time

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.4 Setting Time 9.2.4 Setting Time Minimum pulse width: 1 ms Minimum step (repeat) time: Source range fixed, free run or internal trigger mode, source delay time 10 s Measurement Memory mode Minimum step time —...
  • Page 278 6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.4 Setting Time Measuring-delay time: Range Resolution Accuracy 300 s to 600.00 ms 10 s 100 s (0.1% + 30 s) 600.1 ms to 6000.0 ms 6001 ms to 60000 ms 1 ms...

  • Page 279: General Specifications

    6243/44 DC Voltage Current Source/Monitor Operation Manual 9.2.5 General Specifications 9.2.5 General Specifications Operating environment conditions: Ambient temperature 0C to 50C. Relative humidity: 85% or lower (with no condensation) However, the operating temperature is 0C to 40C in the follow- ing output ranges: When 0 V ...

  • Page 281: Appendix

    APPENDIX A.1 When Problems Occur (Before Requesting Repairs) If problems are encountered when using the 6243/44, inspect the 6243/44 referring to Table A-1. If the problem is not answered by the suggested remedial actions, contact an ADC CORPORATION sales representative.
  • Page 282 6243/44 DC Voltage Current Source/Monitor Operation Manual A.1 When Problems Occur (Before Requesting Repairs) Table A-1 Inspection Items Before Requesting Repairs (2 of 2) Q (symptom) A (causes and solutions) The measurement Cause The system is set in the Standby mode.

  • Page 283: A.2 Error Message List

    6243/44 DC Voltage Current Source/Monitor Operation Manual A.2 Error Message List A.2 Error Message List If an error occurs when using the 6243/44, an error number and an error message appear. These contents are explained in the following: Table A-2 Error Message List (1 of 2)
  • Page 284 6243/44 DC Voltage Current Source/Monitor Operation Manual A.2 Error Message List Table A-2 Error Message List (2 of 2) Error Category Display message Description IM 32 A ZERO 261 IM 32 A ZERO test error. Self-test +350 IM 320 A ZERO IM 32 A ZERO test error.
  • Page 285 6243/44 DC Voltage Current Source/Monitor Operation Manual A.3 Execution Time A.3 Execution Time A.3.1 GPIB Remote Execution Time (Nominal Values) Computer: Fujitsu FMV-6266T6, Windows 95 GPIB hardware: AT-GPIB/TNT (PnP) manufactured by NATIONAL INSTRUMENTS Used module: Niglobal.bas, Vbib-32.bas (supplied with AT-GPIB/TNT (PnP))
  • Page 286 6243/44 DC Voltage Current Source/Monitor Operation Manual A.3.1 GPIB Remote Execution Time (Nominal Values) Execution Item Program code Condition time Unit: ms Current Source value D<data>, DB<data>, SB<data> Without polarity 13 to 21 source / Limiter value Without unit change...

  • Page 287: Execution Time

    6243/44 DC Voltage Current Source/Monitor Operation Manual A.3.1 GPIB Remote Execution Time (Nominal Values) • Time from trigger input (*TRG) to measurement and data output completion to GPIB Source value condition Execution time When the DC, Pulse or Sweep step value is generated:...

  • Page 288: Internal Execution Time (Nominal Values

    6243/44 DC Voltage Current Source/Monitor Operation Manual A.3.2 Internal Execution Time (Nominal Values) A.3.2 Internal Execution Time (Nominal Values) (1) Source execution time Time from the external trigger input to the time when the source value (pulse value, base value, etc.) start changing The time from source value change to settle is as shown in Section 4.9.2.
  • Page 289 DIMENSIONAL OUTLINE DRAWING EXT-1...
  • Page 290 EXT-2...
  • Page 291 ALPHABETICAL INDEX ALPHABETICAL INDEX 6243/44 DC Voltage Current Source/Monitor Operation Manual ALPHABETICAL INDEX [Numerics] Comparison Calculation ......4-51 COMPATIBILITY WITH TR6143 ..6-1 6243 Calibration ........8-1 Complete/Busy ........3-13 6243 Default Values ....... 6-5 Connecting to the Fixture 12701A ..4-9...
  • Page 292 6243/44 DC Voltage Current Source/Monitor Operation Manual Alphabetical Index Measure Delay ........3-10 Measure Delay and Settling Time ..4-44 General Specifications ......9-11, 9-23 Measurement Data Memory Function ..4-60 Generation and Measurement Functions 9-9, 9-20 Measurement Example ......2-30 Generation Timing and Measurement Measurement Function ......
  • Page 293 6243/44 DC Voltage Current Source/Monitor Operation Manual Alphabetical Index Power Cable ..........1-9 Setting Time ..........9-10, 9-21 Power Supply Conditions ....... 1-7 Signal Timing ......... 4-54 Precautions for the Output Terminals SOURCE ..........3-4, 3-10 (Front and Rear Output Terminals) ..4-1 Source Delay ...........

  • Page 294: Alphabetical Index

    6243/44 DC Voltage Current Source/Monitor Operation Manual Alphabetical Index Warm-up (Preheating Time) ....1-9 What GPIB Is .......... 5-4 When Problems Occur (Before Requesting Repairs) ....A-1...
  • Page 295 IMPORTANT INFORMATION FOR ADC CORPORATION SOFTWARE PLEASE READ CAREFULLY: This is an important notice for the software defined herein. Computer programs including any additions, modifications and updates thereof, operation manuals, and related materials provided by ADC CORPORATION (hereafter referred to as "SOFTWARE"), included in or used with hardware produced by ADC CORPORATION (hereafter referred to as "PRODUCTS").
  • Page 296 5. EXCEPT TO THE EXTENT EXPRESSLY PROVIDED HEREIN, ADC CORPORATION HEREBY EXPRESSLY DISCLAIMS, AND THE PURCHASER HEREBY WAIVES, ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, (A) ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND (B) ANY WARRANTY OR REPRESENTATION AS TO THE VALIDITY, SCOPE, EFFECTIVENESS OR USEFULNESS OF ANY TECHNOLOGY OR ANY INVENTION.

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