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Introduction .............................................................................................................. 1-1

Welcome .............................................................................................................................. 1-1

Introduction to this manual ................................................................................................... 1-1

Extended warranty ............................................................................................................... 1-2

Contact information .............................................................................................................. 1-2

Measuring dc voltage with high accuracy .............................................................. 2-1

Introduction .......................................................................................................................... 2-1

Equipment required .............................................................................................................. 2-1

Device connections .............................................................................................................. 2-1

High-accuracy dc voltage measurements ............................................................................ 2-3

Using the front panel ................................................................................................................. 2-4

Using SCPI commands ............................................................................................................. 2-5

Using TSP commands .............................................................................................................. 2-5

Test results................................................................................................................................ 2-6

Measuring 4-wire resistance with offset compensation ........................................ 3-1

Introduction .......................................................................................................................... 3-1

Equipment required .............................................................................................................. 3-1

Device connections .............................................................................................................. 3-2

Measuring 4-wire resistance with offset compensation ....................................................... 3-4

Using the front panel ................................................................................................................. 3-4

Using SCPI commands ............................................................................................................. 3-5

Using TSP commands .............................................................................................................. 3-5

Test results................................................................................................................................ 3-6

Sampling temperature at a set time interval .......................................................... 4-1

Introduction .......................................................................................................................... 4-1

Equipment required .............................................................................................................. 4-1

Device connections .............................................................................................................. 4-1

Sample temperatures at a specific time interval .................................................................. 4-3

Using SCPI commands ............................................................................................................. 4-4

Using TSP ................................................................................................................................. 4-5

Test results................................................................................................................................ 4-7

Grading and binning resistors ................................................................................ 5-1

Introduction .......................................................................................................................... 5-1

Instrument connections ........................................................................................................ 5-2

Resistor grading and binning test ........................................................................................ 5-2

Trigger-model template: GradeBinning ..................................................................................... 5-3

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Содержание Keithley DMM7510

Страница 1: ...Application Manual DMM7510 904 01 Rev D March 2021 PDMM7510 904 01D DMM7510 904 01D tek com keithley Model DMM7510 7 Digit Multimeter...

Страница 2: ...7 Digit Multimeter Application Manual Model DMM7510...

Страница 3: ...t names are trademarks or registered trademarks of Keithley Instruments LLC Other brand names are trademarks or registered trademarks of their respective holders The Lua 5 0 software and associated do...

Страница 4: ...d to mains These instruments will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to mains Exerc...

Страница 5: ...lains hazards that could damage the instrument Such damage may invalidate the warranty The CAUTION heading with the symbol in the user documentation explains hazards that could result in moderate or m...

Страница 6: ...Introduction 3 1 Equipment required 3 1 Device connections 3 2 Measuring 4 wire resistance with offset compensation 3 4 Using the front panel 3 4 Using SCPI commands 3 5 Using TSP commands 3 5 Test r...

Страница 7: ...6 2 Integrating with a Model 3706A S test setup 6 4 Set up TSP nodes on the DMM7510 and Model 3706A S 6 5 Using SCPI 6 5 Using TSP 6 5 Capturing and analyzing waveforms 7 1 Introduction 7 1 Equipment...

Страница 8: ...users an unprecedented combination of data visualization and interaction enabling users to gain deeper insight into their measurements The DMM7510 provides superior measurement accuracy and the speed...

Страница 9: ...the price of a repair Extended warranties are available on new and existing products Contact your local Keithley Instruments office sales partner or distributor for details Contact information If you...

Страница 10: ...the DMM7510 Two insulated cables with banana plugs One device to be tested Device connections You can use either the front or rear input terminals for this test Both front panel and rear panel connect...

Страница 11: ...ions Connect the test leads to the INPUT HI and LO terminals Connect the INPUT HI connection to one of the DUT leads Connect the INPUT LO connection to the other DUT lead The physical connections for...

Страница 12: ...el terminals Therefore if you are using the front panel terminals ground to the front panel LO terminal If using the rear panel terminals ground to the rear panel LO terminal Failure to follow these g...

Страница 13: ...put Z to Auto 9 Verify that Auto Zero is selected 10 Press the MENU key 11 Under Measure select Calculations 12 Set Filter to On 13 Select Settings 14 Set the Type to Repeat 15 Set the Count to 100 16...

Страница 14: ...to repeating Set the filter count to 100 Enable the filter Read the voltage value wait a few seconds for the reading Using TSP commands The following TSP code is designed to be run from Keithley Inst...

Страница 15: ...ble dmm ON Set the averaging filter type to repeating dmm measure filter type dmm FILTER_REPEAT_AVG Set filter count to 100 dmm measure filter count 100 Enable the filter dmm measure filter enable dmm...

Страница 16: ...duces or eliminates thermoelectric electromotive forces EMFs in low level resistance measurements The voltage offsets that occur because of the presence of thermoelectric electromotive force VEMF can...

Страница 17: ...nect the sense connection as close to the DUT as possible To prevent electric shock test connections must be configured such that the user cannot come in contact with test leads or any device under te...

Страница 18: ...n Manual Section 3 Measuring 4 wire resistance with offset compensation DMM7510 904 01 Rev D March 2021 3 3 Figure 3 Front panel connections for 4 wire resistance measurements Figure 4 Rear panel conn...

Страница 19: ...faces in the Model DMM7510 User s Manual For this application you will Reset the instrument Select the 4 wire resistance function This method eliminates the effect of the lead resistance on measuremen...

Страница 20: ...resistance value Using TSP commands The following TSP code is designed to be run from Keithley Instruments Test Script Builder TSB TSB is a software tool that is available from tek com keithley You c...

Страница 21: ...ON Enable autozero dmm measure autozero enable dmm ON Enable offset compensation dmm measure offsetcompensation enable dmm ON Set the number of power line cycles to 1 dmm measure nplc 1 Read the resis...

Страница 22: ...ature probe such as Tektronix TP750 One computer set up for remote communication with the DMM7510 Device connections Use of a four wire resistance temperature detector RTD reduces the effects of lead...

Страница 23: ...he following connections Connect the red test leads to the SENSE HI and INPUT HI terminals Connect the black test leads to the SENSE LO and INPUT LO terminals The physical connections for the front an...

Страница 24: ...the chassis ground screw terminal on the rear panel Note that the front panel terminals are isolated from the rear panel terminals Therefore if you are using the front panel terminals ground to the fr...

Страница 25: ...e ODETector ON SENSe TEMPerature NPLCycles 1 SENSe TEMPerature OCOMpensated ON DISPlay SCReen GRAPh TRIGger TIMer1 DELay MeasInterval TRIGger TIMer1 STARt STIMulus NOTify1 TRIGger TIMer1 STARt GENerat...

Страница 26: ...ect Settings 3 Set the Command Set to TSP 4 At the prompt to reboot select Yes This sequence of TSP commands makes a series of temperature measurements After the code executes the data is displayed in...

Страница 27: ...rigger BLOCK_NOTIFY trigger EVENT_NOTIFY1 Make a measurement and store the reading in default buffer trigger model setblock 3 trigger BLOCK_MEASURE_DIGITIZE defbuffer1 Wait for timer delay to elapse t...

Страница 28: ...ature at a set time interval DMM7510 904 01 Rev D March 2021 4 7 Test results The following figures show a sample graph and final test measurement for this application Figure 7 Model DMM7510 graph of...

Страница 29: ...equires proper shields barriers and grounding to prevent contact with test leads There is no internal connection between protective earth safety ground and the LO terminals of the DMM7510 Therefore ha...

Страница 30: ...ted resistance tolerance bin as defined by the limits Resistors are placed into bins based on the bit patterns that are assigned to the limits In this example the DMM7510 GradeBinning trigger model te...

Страница 31: ...Percentage The percentage is 20 10 5 or 1 You can assign different bit patterns for different limit values Trigger model template GradeBinning The GradeBinning trigger model template contains the set...

Страница 32: ...ntage 1 100 1 101 limit4Low Resistance 100 Percentage 1 100 1 99 limit4Pattern Bin 4 fail pattern 3 Drive line 1 and 2 high 0011 bufferName The reading buffer is set to bufferVar Overview of the appli...

Страница 33: ...80 15 4 110 90 1 105 95 2 101 99 3 bufferVar INIT WAI DISP SCR SWIPE_USER DISP USER1 TEXT Test Completed Reset the DMM7510 to default settings Make a buffer named bufferVar with a capacity of 1 000 0...

Страница 34: ...ne help for TSB and in the Introduction to TSP operation section of the Model DMM7510 Reference Manual To use other programming environments you may need to make changes to the example TSP code By def...

Страница 35: ...UT Clear digital I O lines to 0 digio line 1 state digio STATE_LOW digio line 2 state digio STATE_LOW digio line 3 state digio STATE_LOW digio line 4 state digio STATE_LOW Configure digital I O line 5...

Страница 36: ...rformance and throughput of the test requirement The example includes 30 channels that measure dc voltage in slot 1 at two different ranges 10 channels that measure ac voltage in slot 1 20 channels th...

Страница 37: ...builders can use to connect multiple instruments in a master and subordinate configuration Once connected all the instruments that are equipped with TSP Link in a system can be programmed and operate...

Страница 38: ...MM7510 7 Digit Multimeter Application Manual Section 6 Integrating with a Model 3706A S using TSP Link DMM7510 904 01 Rev D March 2021 6 3 Figure 10 Connections for the Model 3706A S integration appli...

Страница 39: ...r the chassis ground screw terminal on the rear panel Note that the front panel terminals are isolated from the rear panel terminals Therefore if you are using the front panel terminals ground to the...

Страница 40: ...in this TSP Link network with the 3706A S as the subordinate You can change the master to be the 3706A S However you must modify the code tsplink initialize and change it to tsplink reset The master...

Страница 41: ...onnected correctly n return end Reset both instruments to the default settings node 1 reset Node 1 is 3706A S node 2 reset Node 2 is DMM7510 Create a configuration list on DMM7510 named myScanConfigLi...

Страница 42: ...s node 2 trigger EVENT_NOTIFY1 Configure 3706A S TSP Link line 1 to output trigger to DMM7510 node 1 tsplink trigger 1 mode node 1 tsplink TRIG_FALLING Configure 3706A S TSP Link line 2 to input trigg...

Страница 43: ..._TSPLINK1 node 2 trigger model setblock 8 node 2 trigger BLOCK_MEASURE_DIGITIZE node 2 trigger model setblock 9 node 2 trigger BLOCK_NOTIFY node 2 trigger EVENT_NOTIFY1 node 2 trigger model setblock 1...

Страница 44: ...terface The touchscreen can be helpful in a variety of applications that involve transient signal analysis at a 1 megasample per second sampling rate You can analyze signals from a microvolt to 1000 V...

Страница 45: ...e below You can use either the front panel or rear panel connections for these tests Make sure that the front panel TERMINALS switch is set to the terminals you are using When F is displayed next to t...

Страница 46: ...terminals ground to the front panel LO terminal If using the rear panel terminals ground to the rear panel LO terminal Failure to follow these guidelines can result in injury death or instrument damag...

Страница 47: ...inals of the buck converter Connect test leads to the output terminals of the buck converter Supply 12 V to the input terminals of the buck converter Reset the instrument Select the digitize voltage f...

Страница 48: ...t the Sample Rate to 1 000 000 5 Set the Count to 100 6 Swipe to display the GRAPH swipe screen 7 Select the graph icon on the upper right of the swipe screen to open the Graph screen 8 To analyze the...

Страница 49: ...utomatic aperture Set the sample count to 100 Set defbuffer1 to store 100 points Clear defbuffer1 Digitize the signal Read the first 100 measurement and relative timestamp values from defbuffer1 Using...

Страница 50: ...igitize aperture dmm APERTURE_AUTO Set sample count to the number of samples to capture about 5 ripples dmm digitize count numofsamples Set the input impedance to automatic so it selects 10 G for the...

Страница 51: ...nect another test lead to the ground of the buck converter Supply 12 V of input voltage to the input terminals of the buck converter Reset the instrument Select the digitize voltage function and set s...

Страница 52: ...the Sample Rate to 1 000 000 5 Set the Count to 100 6 Swipe to the GRAPH swipe screen 7 Select the graph icon in the upper right of the swipe bar to view the graph in the full screen 8 Swipe the botto...

Страница 53: ...ycle input 40 12 V 5 V The red dots at the top of the cycles indicate an overflow condition which occurs because the 12 V measurement is over the 10 V measurement range Instead of increasing the range...

Страница 54: ...erloading the output For this test you Connect the 3 load resistor to the output terminals of the buck converter Connect test leads to the output terminals of the buck converter Supply 12 V to the inp...

Страница 55: ...test using the front panel Running the inductor current linearity test from the front panel 1 Press the POWER button on the front panel to turn on the instrument 2 On the FUNCTIONS swipe screen selec...

Страница 56: ...ng and analyzing waveforms DMM7510 904 01 Rev D March 2021 7 13 Inductor current linearity results The front panel graph shows results that are similar to the following Figure 19 Inductor current line...

Страница 57: ...RST SENS DIG FUNC CURR SENS DIG VOLT RANG 1 SENS DIG VOLT SRAT 500e3 SENS DIG VOLT APER AUTO SENS DIG COUN 50 TRAC POIN 50 TRAC CLE TRAC TRIG DIG TRAC DATA 1 50 defbuffer1 READ TRAC DATA 1 50 defbuff...

Страница 58: ...mpt to reboot select Yes Send the following commands Reset the instrument to default settings reset Create a local variable to store the number of samples numofsamples 50 Set the DMM function to digit...

Страница 59: ...nction and set the sample rate to 1 megasample per second Set sample count to 10 000 to monitor the power up event for 10 ms On the front panel of the instrument open the Graph screen and set the grap...

Страница 60: ...est using the front panel Set up the digitize function 1 Press the POWER button on the front panel to turn on the instrument 2 On the FUNCTIONS swipe screen select Digi V to select the digitize voltag...

Страница 61: ...er tab 6 Set Source Event to Waveform 7 Select Analog Edge 8 Set Level to 3V 9 Set Position to 50 for the pretrigger position 10 Select the Graph tab to view the graph 11 To start capturing the buck c...

Страница 62: ...the sample count to 1 optional Set defbuffer1 to store 10 000 points Clear defbuffer1 Enable analog edge trigger Set the edge trigger to rising slope Set the edge trigger level to 3 V Set up a trigger...

Страница 63: ...reading buffer capacity determines the actual count dmm digitize count 1 Set the input impedance to automatic to select 10 gigaohms for the 10 V range dmm digitize inputimpedance dmm IMPEDANCE_AUTO Se...

Страница 64: ...support and additional information about the instrument From the website you can access The Knowledge Center which contains the following handbooks The Low Level Measurements Handbook Precision DC Cur...

Страница 65: ...marks and trade names are the property of Keithley Instruments All other trademarks and trade names are the property of their respective companies Keithley Instruments Corporate Headquarters 28775 Aur...

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