background image

DMM6500 6½ Digit Multimeter User's Manual 

Section 9: Measuring power using digitizing and TSP-Link 

 

DMM6500-900-01Rev. A / April 2018 

9-3 

 

3.  Connect the computer to the DMM6500 that is set to node one. 

4.  Connect the test leads of the instrument measuring voltage in parallel with the battery of the 

device. 

5.  Connect the test leads of the instrument measuring current in series with the battery of the 

device. 

Figure 43: Two nodes measuring current and voltage 

 

To prevent electric shock, test connections must be configured such that the user cannot 
come in contact with test leads or any device under test (DUT) that is in contact with the 
conductors. It is good practice to disconnect DUTs from the instrument before powering the 
instrument. Safe installation requires 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 DMM6500. Therefore, hazardous voltages (more than 30 V

RMS

) can appear on 

LO terminals. This can occur when the instrument is operating in any mode. To prevent 
hazardous voltage from appearing on the LO terminals, connect the LO terminal to protective 
earth (safety ground) if your application allows it. You can connect the LO terminal to the 
chassis ground terminal on the front panel or 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 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 damage. Failure to recognize and observe 
normal safety precautions could result in personal injury or death. 

 

Summary of Contents for DMM6500

Page 1: ...User s Manual DMM6500 900 01 Rev A April 2018 PDMM6500 900 01A DMM6500 900 01A tek com keithley Model DMM6500 6 Digit Bench System Multimeter...

Page 2: ...uments product 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...

Page 3: ......

Page 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...

Page 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...

Page 6: ......

Page 7: ...ht brightness and dimmer 2 6 Review event messages 2 7 Interactive swipe screens 2 7 Swipe screen heading bar 2 7 FUNCTIONS swipe screen 2 9 SETTINGS swipe screen 2 9 STATISTICS swipe screen 2 10 SECO...

Page 8: ...instrument 3 17 Determining the command set you will use 3 18 Making basic front panel measurements 4 1 Introduction 4 1 Equipment required for this example 4 1 Device connections 4 2 Basic front pane...

Page 9: ...ing SCPI commands 8 5 Using TSP commands 8 6 Measuring power using digitizing and TSP Link 9 1 Introduction 9 1 Equipment required 9 2 Device connections 9 2 Measuring power using digitizing and TSP L...

Page 10: ...Table of contents DMM6500 6 Digit Multimeter User s Manual Next steps 11 1 Additional DMM6500 information 11 1 Index I 1...

Page 11: ...rs to gain deeper insight into their measurements The DMM6500 provides superior measurement accuracy and the speed necessary for a broad range of applications from system applications and production t...

Page 12: ...re the instrument is operational User s Manual Provides application examples that you can use as a starting point to create your own applications Reference Manual Includes advanced operation topics ma...

Page 13: ...ke a high accuracy DC voltage measurement Measuring 4 wire resistance with offset compensation on page 6 1 Shows how to use the DMM6500 to accurately measure a resistance device Scanning temperature a...

Page 14: ......

Page 15: ...criptions of the controls on the front panel follow the figure Figure 1 DMM6500 front panel POWER switch Turns the instrument on or off To turn the instrument on press and hold the power switch To tur...

Page 16: ...e must be formatted as a FAT or FAT32 drive Touchscreen The DMM6500 has a high resolution five inch color touchscreen display The touchscreen accesses swipe screens and menu options You can access add...

Page 17: ...e front panel terminals are active the green LED is visible When the rear panel terminals are active the amber LED is visible Instrument power Follow the steps below to connect the DMM6500 to line pow...

Page 18: ...n all output and guard terminals To prevent electrical shock that could cause injury or death remove power from the instrument or test system and discharge any energy storage components for example ca...

Page 19: ...rs or screwdrivers or pointed objects such as pens or pencils to touch the touchscreen It is strongly recommended that you use only fingers to operate the instrument Use of clean room gloves to operat...

Page 20: ...ed the screen Adjust the backlight brightness and dimmer You can adjust the brightness of the DMM6500 touchscreen display and buttons from the front panel or over a remote interface You can also set t...

Page 21: ...yed Messages are either information warning or error notifications For information on event messages refer to Using the event log in the Model DMM6500 Reference Manual Figure 4 Example front panel eve...

Page 22: ...en without swiping 3 Calculations shortcut Select to open the CALCULATION SETTINGS menu Only available when TERMINALS is set to FRONT 4 Measure Settings shortcut Select to open the MEASURE SETTINGS me...

Page 23: ...re 6 FUNCTIONS swipe screen SETTINGS swipe screen The SETTINGS swipe screen gives you front panel access to some instrument settings for the selected measure function It shows you the present settings...

Page 24: ...ta with new data the buffer statistics include the data that was overwritten To get statistics that do not include data that has been overwritten define a large buffer size that will accommodate the n...

Page 25: ...elect Secondary Measure Secondary measurements are only available in Continuous Measurement Mode and Manual Trigger Mode This feature is only available from the front panel of the instrument Refer to...

Page 26: ...an program the DMM6500 to show that a test is in process This swipe screen is only displayed if custom text has been displayed Refer to Customizing a message for the USER swipe screen in the Model DMM...

Page 27: ...l DMM6500 Reference Manual SCAN swipe screen The SCAN swipe screen gives you front panel access to build a scan edit a scan start a scan step through a scan and display scan results You can also save...

Page 28: ...can until Resume Scan is selected Resume Scan Resumes a paused scan Save to USB Saves the data in the scan reading buffer to a CSV file on the USB flash drive Start Scan Runs a scan Step Scan Incremen...

Page 29: ...sure Menu The Measure menus allow you to select configure and perform measure operations from the front panel The QuickSet menu allows you to change the function and adjust performance The Measure Set...

Page 30: ...een The Histogram menu allows you to graph the distribution of measurement data in the selected reading buffer It also contains tabs that you use to customize the histogram The Reading Table menu allo...

Page 31: ...tore them in a macro script The script can be run and managed like any other script using the options in the Scripts menu or remote commands Note that only settings are stored no key presses or front...

Page 32: ...overview DMM6500 6 Digit Multimeter User s Manual 2 18 DMM6500 900 01Rev A April 2018 The Info Manage menu gives you access to version and serial number information and settings for instrument firmwar...

Page 33: ...port on the rear panel of the instrument The GPIB RS 232 and TSP Link options require an optional accessory card In most cases you do not need to configure anything on the instrument In addition you d...

Page 34: ...m Expansion Interface in the Model DMM6500 Reference Manual The rear panel connections for the remote communication interfaces are shown in the following figure Figure 15 DMM6500 remote interface conn...

Page 35: ...S window opens 3 Select LAN to see the settings for that interface 4 Press the EXIT key to leave the SYSTEM COMMUNICATION window without making any changes Set up automatic LAN configuration If you ar...

Page 36: ...r Do not change your IP address without consulting your system administrator If you enter an incorrect IP address it can prevent your computer from connecting to your corporate network or it may cause...

Page 37: ...computer the VISA driver automatically detects the device Note that the VISA driver only automatically recognizes USBTMC and USBTMC USB488 devices It does not recognize other USB devices such as print...

Page 38: ...r is also on the rear panel INSTR Use the USBTMC protocol To determine these parameters you can run the Keithley Configuration Panel which automatically detects all instruments connected to the comput...

Page 39: ...ect Communication Bus dialog box 4 Select USB 5 Click Next The Select Instrument Driver dialog box is displayed Figure 18 Select Instrument Driver dialog box 6 Select Auto detect Instrument Driver Mod...

Page 40: ...strument 10 Select Finish 11 Select Cancel to close the Wizard 12 Save the configuration From the Keithley Configuration Panel select File Save Verify the instrument through the Keithley Communicator...

Page 41: ...a GPIB card Check the documentation for your GPIB controller for installation information and where to acquire drivers Install the KTTI GPIB accessory card Figure 21 KTTI GPIB connector view Unpack a...

Page 42: ...w Tighten these two screws either by hand or with a Phillips head screwdriver to secure the card in the case Do not overtighten 6 Reconnect the power line cable and any other cables to the rear panel...

Page 43: ...s Manual Section 3 Using a remote interface DMM6500 900 01Rev A April 2018 3 11 Figure 23 DMM6500 Instrument GPIB connections Additional information Additional information is available in the KTTI GP...

Page 44: ...ress 5 Select OK You can also set the GPIB address using remote commands Set the GPIB address with the SCPI command SYSTem GPIB ADDRess or the TSP command gpib address RS 232 Install the KTTI RS232 ac...

Page 45: ...w Tighten these two screws either by hand or with a Phillips head screwdriver to secure the card in the case Do not overtighten 6 Reconnect the power line cable and any other cables to the rear panel...

Page 46: ...installed on unused slots to prevent personal contact with high voltage circuits Failure to recognize and observe standard safety precautions could result in personal injury or death due to electric...

Page 47: ...panel and command interface that you can use to control the instrument Download access to a CSV file that contains reading buffer data Administrative options and LXI information The instrument web pa...

Page 48: ...card The network card of the computer is enabled The IP address of the instrument is compatible with the IP address on the computer The subnet mask address of the instrument is the same as the subnet...

Page 49: ...ID button which allows you to identify the instrument Refer to Identify the instrument on page 3 17 Identify the instrument If you have a bank of instruments you can select the ID button to determine...

Page 50: ...nstruments If you change the command set reboot the instrument You cannot combine the command sets As delivered from Keithley Instruments the DMM6500 is set to work with the DMM6500 SCPI command set I...

Page 51: ...8 3 19 To verify which command set is selected from a remote interface Send the command LANG To change to the SCPI command set from a remote interface Send the command LANG SCPI Reboot the instrument...

Page 52: ......

Page 53: ...t Set the function before making other instrument settings Many of the settings are related to a specific measure function The applications in this manual use the order of operations to produce the be...

Page 54: ...a 2 wire local sense configuration In this configuration the device is connected between the INPUT HI and INPUT LO terminals To make the connections 1 Power off the DMM6500 2 Connect the test leads to...

Page 55: ...ront panel 1 Press the POWER switch on the front panel to turn on the instrument 2 Make sure the terminals switch is set to FRONT 3 From the Functions swipe screen select 2W Measurements begin to disp...

Page 56: ...the reading table To save the data select the menu in the upper left and select Save to USB For information on the options refer to Options when saving buffer data to a USB flash drive When TERMINALS...

Page 57: ...s Rear If you are using a card the Channel column displays the channel number 3 To display data for a different reading buffer select the buffer 4 To view details for a specific data point swipe the t...

Page 58: ......

Page 59: ...DMM6500 to make high accuracy DC voltage measurements This type of test is often done in metrology laboratories where high accuracy is required for calibration and verification Equipment required One...

Page 60: ...u are using The light for FRONT or REAR is illuminated indicating which terminals are being used Connecting devices to the instrument 1 Connect the test leads to the INPUT HI and LO terminals 2 Connec...

Page 61: ...nals ground to the rear panel LO terminal Failure to follow these guidelines can result in injury death or instrument damage Measuring DCV with high accuracy This application demonstrates how to use t...

Page 62: ...10 Press the MENU key 11 Under Measure select Calculations 12 Set Filter to On 13 Select the Settings icon 14 Set the Type to Repeat 15 Set the Count to 100 16 Select OK 17 Press the HOME key If meas...

Page 63: ...nt to 100 SENS VOLT AVER ON Enable the filter READ Read the voltage value it is a few seconds before the reading is returned Using TSP commands The following TSP code is designed to be run from Keithl...

Page 64: ...measurement range to 10 V dmm measure range 10 Set the number of power line cycles to 10 dmm measure nplc 10 Set the input impedance to auto so it selects 10 Gohm for the 10 V range dmm measure inputi...

Page 65: ...NPLC averaging filter and autozero settings The first row of data is measured using the setup documented in this example The other rows show the results as the integration rate filter and autozero set...

Page 66: ......

Page 67: ...urrent is sourced through the DUT using one set of test leads while a second set of SENSE leads measures the voltage across the DUT Connect the voltage sensing leads as close to the DUT as possible to...

Page 68: ...nals You must use either the front or the rear terminals You cannot mix the front and rear connections Make sure that the front panel TERMINALS switch is set to the terminals you are using The light f...

Page 69: ...revent hazardous voltage from appearing on the LO terminals connect the LO terminal to protective earth safety ground if your application allows it You can connect the LO terminal to the chassis groun...

Page 70: ...elect Offset Compensation and select On 7 Press the HOME key The measurement readings are displayed in the top area of the Home screen Using SCPI commands This sequence of SCPI commands measures the r...

Page 71: ...e SCPI command set You must select the TSP command set before sending TSP commands to the instrument To enable TSP commands 1 Press the MENU key 2 Under System select Settings 3 Set the Command Set to...

Page 72: ...sults of a low resistance measurement test using a 20 resistor are shown in the table below For example if the resistor specification has a tolerance of 0 1 and a temperature coefficient of 15 ppm C a...

Page 73: ...nvironment can be important You can use the DMM6500 to monitor temperature at a fixed time interval for an extended period This application requires a Keithley Instruments 2001 TCSCAN card The 2001 TC...

Page 74: ...erature measurements For this example each channel of the card is connected to a Type K thermocouple The card is then inserted into the rear of the DMM6500 as shown in the next figure The instrument m...

Page 75: ...nd grounding to prevent contact with test leads There is no internal connection between protective earth safety ground and the LO terminals of the DMM6500 Therefore hazardous voltages more than 30 VRM...

Page 76: ...panel To set up the application through the front panel 1 Press the POWER button on the front panel to turn on the instrument 2 Select the REAR terminals 3 Swipe to the SCAN screen then select Build S...

Page 77: ...mands Descriptions RST Reset the DMM6500 TRAC CLEar defbuffer1 Clear the data buffer TRAC POIN totalRdgs defbuffer1 Set the scan count to 12 960 FUNC TEMP 1 10 Set the function to temperature TEMP UNI...

Page 78: ...uilder Make sure the TERMINALS switch is set to REAR Send the following commands for this example application Reset the instrument to the default settings reset Establish variables to make a measureme...

Page 79: ...N buffer COL_ALL Enable scan restart on power loss scan restart scan ON Start the scan trigger model initiate waitcomplete Get the data printbuffer 1 defbuffer1 n defbuffer1 Test results The following...

Page 80: ...Section 7 Scanning temperature at a set time interval DMM6500 6 Digit Multimeter User s Manual 7 8 DMM6500 900 01Rev A April 2018...

Page 81: ...or fail testing as well as grading and sorting Grading resistors is a common application that is done by monitoring multiple limits until the first failure Binning resistors is also common but unlike...

Page 82: ...he conductors It is good practice to disconnect DUTs from the instrument before powering the instrument Safe installation requires proper shields barriers and grounding to prevent contact with test le...

Page 83: ...ttern which causes the component handler to place the resistor in the Limit 1 fail bin 20 fail bin If a resistor passes the 20 limit test the resistance value is checked against Limit 2 which is the 1...

Page 84: ...rtDelay endDelay limit1High limit1Low limit1Pattern allPattern limit2High limit2Low limit2Pattern limit3High limit3Low limit3Pattern limit4High limit4Low limit4Pattern bufferName Parameter list compon...

Page 85: ...ODE DIG OUT Configure digital I O lines 1 through 4 as digital outputs these are used to output binning code to the component handler DIG LINE1 STAT 0 DIG LINE2 STAT 0 DIG LINE3 STAT 0 DIG LINE4 STAT...

Page 86: ...e application Reset the instrument to default settings reset Create a user defined reading buffer that can store up to 1 million readings bufferVar buffer make 1000000 bufferVar clear Set the measure...

Page 87: ...r digout 6 pulsewidth 10e 6 Trigger pulse is output when the Notify Block generates an event trigger digout 6 stimulus trigger EVENT_NOTIFY2 Load Component Binning trigger model template trigger model...

Page 88: ......

Page 89: ...ints This application example calculates power at each point along the waveform by multiplying corresponding currents and voltages adding them together and dividing them by the total number of data po...

Page 90: ...n with the instrument One ethernet crossover cable Several insulated banana cables One device or component to be tested Device connections This application requires two KTTI TSP communication and digi...

Page 91: ...g to prevent contact with test leads There is no internal connection between protective earth safety ground and the LO terminals of the DMM6500 Therefore hazardous voltages more than 30 VRMS can appea...

Page 92: ...ch as digital I O or external trigger I O to replace TSP Link and achieve similar operation Setting up the nodes for TSP code Before executing the TSP code you must set up the nodes on the instruments...

Page 93: ...ds for this example application Initiate the tsp link network tsplink initialize Set a delay of 0 5 seconds delay 0 5 Reset master instrument at node 1 node 1 reset Set up TSP link trigger line 1 to t...

Page 94: ...t Volts current_buffer node 2 defbuffer1 current_stats node 2 buffer getstats current_buffer avgCurr current_stats mean print avgCurr Amps Print results to the USER swipe screen node 1 display changes...

Page 95: ...eforms captured on the DMM6500 show the power consumption resulting from the use of the DUT You can identify the transmission state of the device by the areas of high current consumption and the visib...

Page 96: ...Measuring power using digitizing and TSP Link DMM6500 6 Digit Multimeter User s Manual 9 8 DMM6500 900 01Rev A April 2018 Figure 46 Subordinate node measuring current Figure 47 Subordinate node curren...

Page 97: ...s to the most common questions encountered with the DMM6500 Where can I find updated drivers For the latest drivers and additional support information see the Keithley Instruments support website To s...

Page 98: ...be the only firmware file in that location You can upgrade or downgrade the firmware from the front panel or from the virtual front panel From the front panel 1 Copy the firmware file upg file to a US...

Page 99: ...truments Series 2000 instruments SCPI34401 An instrument specific language that allows you to run code developed for Keysight Model 34401 instruments If you change the command set reboot the instrumen...

Page 100: ...From the front panel 1 Configure the DMM6500 to the settings that you want to save 2 Press the MENU key 3 Under Scripts select Save Setup The SAVE SETUP window is displayed 4 Select Create A keyboard...

Page 101: ...ou set them For example assume you have the measure function set to current and you set a value for display digits When you change the measure function to voltage the display digits value changes to t...

Page 102: ......

Page 103: ...l 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 Current Voltage and Resi...

Page 104: ......

Page 105: ...panel overview 1 3 2 1 FUNCTIONS swipe screen 2 9 G GPIB Install 3 9 GPIB communications 3 9 Grading and binning resistors 1 3 8 1 GRAPH swipe screen 2 12 H How do I change the command set 10 3 How do...

Page 106: ...s for TSP code 9 4 SETTINGS swipe screen 2 9 STATISTICS swipe screen 2 10 Supported remote interfaces 3 2 Swipe screen heading bar 2 7 System menu 2 17 T Test results 5 7 6 6 7 7 Touchscreen display 2...

Page 107: ...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 Aurora Road Clevela...

Reviews: