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NI ELVIS Hardware User Manual

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1. 1 1 V max 1 25 Hz to 10 kHz 2 Proper null correction when measuring on high common mode voltage can reduce the 3 mA offset error to 200 uA of noise 3 The Two Wire Current Voltage Analyzer SFP is the recommended instrument for diode measurement NI ELVIS Hardware User Manual A 4 ni com Inductance Measurement Accuracy Resistance Measurement Accuracy Test frequency Test frequency voltage Voltage Measurement AC ee UE DC ACCUFAGy steen ugeet e UE Input impedance eesse Dynamic Signal Analyzer Input range nett Input resolution 100 Hz to 10 kHz National Instruments Corporation A 5 Appendix A Specifications 1 100 uH to 100 mH 950 Hz software selectable 1 Vp p sine wave software selectable 1 5 Q to 3 MQ in four ranges 120 Hz software selectable 1 Vp p sine wave software selectable 0 3 0 001 full scale 14 V ns in four ranges max 0 3 0 001 full scale max 20 V in four ranges max 1 MQ 10 V in four ranges 12 or 16 bits DAQ device dependant NI ELVIS Hardware User Manual Appendix A Specifications Function Generator Frequency range see Software controlled 5 Hz to 250 KHz in five ranges frequency resolution 0 896 Frequency set point accuracy 3 of range max Frequency read back accuracy
2. National Instruments Corporation 2 9 NI ELVIS Hardware User Manual Chapter 2 NI ELVIS Overview NI ELVIS in Academic Disciplines You can use NI ELVIS in engineering physical sciences and biological sciences laboratories NI ELVIS is suitable not only in terms of the included software but also because of the custom signal conditioning hardware you can create with NI ELVIS Instructors can implement the NI ELVIS curriculum with beginning to advanced classes to provide hands on experience to students NI ELVIS in Engineering NI ELVIS is suited for teaching basic electronics and circuit design to students in electrical engineering mechanical engineering and biomedical engineering The suite offers full testing measurement and data saving capabilities needed for such training Students can use the removable prototyping board at home to build circuits thus using laboratory time more effectively NI ELVIS Traditional SFP instruments such as the Bode Analyzer offer instructors an opportunity to teach advanced courses in signal analysis and processing Students can construct software filters in LabVIEW and hardware filters on the prototyping board and compare the performance of those two types of filters Mechanical engineering students can learn sensor and transducer measurements in addition to basic circuit design by building custom signal conditioning Students can install custom sensor adapters on the prototyping board For
3. 0 01 Output amplitude ee 42 5 V Software amplitude resolution 8 bits Offset Tal ge inert eer 5 V AM voltage teacher etre 10 V max Amplitude modulation Up to 10096 EM voltage ene ete 10 V max Amplitude flatness TODO KHz tend 0 5 dB 40 250 KHz 3 dB Frequency modulation Output impedance eee ee Impedance Analyzer Oscilloscope NI ELVIS Hardware User Manual Measurement frequency range 5 of full scale max 50 Q guaranteed Refer to Appendix C Theory of Operation for more information about the output impedance configuration options 5 Hz to 35 kHz Refer to the Analog Input section of the DAQ device specifications documentation A 6 ni com Two Wire Current Voltage Analyzer Current range ce ai aii tie ben eek Ee Voltage sweep range sees Three Wire Current Voltage Analyzer Minimum base current increment Maximum collector current Maximum collector voltage Variable Power Supplies Positive Supply Output voltage Ripple and noise es Software controlled resolution Current limiting eee Negative Supply Output voltage Ripple and noitge sss Software controlled resolution Current limiting eee 1 This SFP instrument is intended for use only with NPN BJT transistors Appendix A Specifications 10 mA 10 V 15 pA
4. aid aid aid aid aid aid ca ca ca aid aid ca ca ca aid aid ca ca ca aid aid ca ca ca laid aid ais ais ais ais ca ca ca laid aid ca ca ca ca aid aid ca ca ca laid aid ca ca ca ca Jaid aid aid aid aid aid aid aid aid aid aid aid aid aid ca ca ca ca ca aid aid ca ca ca ca ca Conflict Codes aid DAQ AI different channels ais DAQ Al same channels ao DAQ AO No Resource Conflicts DAQ counter timers NI ELVIS vaiable power supplies NI ELVIS digital output Figure D 1 Possible Resource Conflicts D 2 fg NI ELVIS function generator ca NI ELVIS current amplifier ni com Supported DAQ Devices The NI ELVIS workstation supports the DAQ devices listed in this appendix Supported M Series DAQ Devices NI ELVIS supports the following M Series DAQ devices e NI 6221 68 pin NI 6225 NI 6229 e NI6251 e NI 6255 NI 6259 e NIG8I e NI 6289 hy Note Ifyou are using a PCI M Series device you must use NI ELVIS Traditional software version 2 0 or later USB M Series devices require NI ELVIS Traditional 3 0 or later When using an M Series DAQ device with two 68 pin connectors use connector 0 on the M Series DAQ device to make
5. 3 2 T three wire current voltage analyzer resource conflicts table D 2 SFP overview 2 7 theory of operation C 13 TRIGGER signal See also oscilloscope signal description table 3 8 two wire current voltage analyzer resource conflicts table D 2 SFP overview 2 7 theory of operation C 12 U user configurable I O BANANA signals 3 9 BNC lt 1 2 gt signals 3 9 BNC lt 1 2 gt signals 3 9 connecting signals 3 16 DSUB pin lt 0 9 gt signals 3 10 DSUB shield 3 10 LED lt 0 7 gt signals 3 10 V variable power supplies calibration utility 2 9 fuses figure B 3 hardware controls description 3 3 figure 3 2 overview 2 7 National Instruments Corporation Index 7 Index resource conflicts D 1 signal descriptions table 3 9 specifications negative supply A 7 positive supply A 7 virtual instrumentation 1 1 VOLTAGE HI signal See also DMM connecting analog input signals 3 14 DMM theory of operations C 1 signal description table 3 8 VOLTAGE LO signal See also DMM connecting analog input signals 3 14 DMM theory of operations C 1 signal description table 3 8 W WR_ENABLE signal See also digital I O signal description table 3 9 NI ELVIS Hardware User Manual
6. 120 Hz and the amplitude is locked at 1 V These settings allow a focused calibration that reduces resistive and capacitive offset The resistance meter uses four ranges to measure from 5 Q to 3 MQ National Instruments Corporation C 11 NI ELVIS Hardware User Manual Appendix C Theory of Operation Inductance Meter Capacitance Meter The inductance meter is a subset of the NI ELVIS Traditional Impedance Analyzer and it uses the same circuitry To get more accurate readings the function generator output frequency is set to 950 Hz and the amplitude is locked at 1 Vp p These settings allow a focused calibration that reduces resistive and capacitive offset The capacitance meter is a subset of the NI ELVIS Traditional Impedance Analyzer and it uses the same circuitry You can select electrolytic and normal capacitors To get more accurate readings on electrolytic capacitors the function generator output frequency is set to 120 Hz and the amplitude is locked at 2 V with a DC offset of 2 5 V For normal capacitors the function generator output frequency is set to 950 Hz and the amplitude is locked at 1 Non These settings allow a focused calibration that reduces resistive and capacitive offset Two Wire Current Voltage Analyzer The two wire measurement is made by using the DAQ device AO 0 signal to generate a user controlled voltage sweep The voltage is read before the DUT on AI 5 and then across the DUT on AI 7 The NI
7. ELVIS Traditional Impedance Analyzer circuitry provides the feedback resistor that transforms the current flowing into the CURRENT LO pin into a voltage The CURRENT HI pin is the output voltage source on the prototyping board and benchtop workstation control panel Two Wire Current Voltage Analyzer Signal Path E A B C NI ELVIS Motherboard Prototyping Board DAQ Device p CURRENT HI ro Al 5 DACO gt ANN DUT CURRENT LO O AI7 NI ELVIS Hardware User Manual Figure C 7 Two Wire Measurement Block Diagram C 12 ni com Appendix C Theory of Operation Internal Calculations The following values are stored in the NI ELVIS EEPROM CA Slope Actual value of each feedback resistor four values The voltage output on CURRENT HI pin is from the DAQ device DACO The CURRENT HI pin is read on AI 5 and stored as the VOLTAGE V that is displayed The input current is measured on the CURRENT LO pin of the prototyping board The CURRENT LO pin is read on AI 7 The DAQ device can only read voltage so the current is converted to voltage The NI ELVIS Traditional Impedance Analyzer circuitry converts the current to voltage The voltage read is then converted back to current using Ohm s Law V IXR For R use the NI ELVIS feedback resistor CA Slope and for V use the AI 7 voltage Measured Current in Amps CH7 voltage CA Slope Measured Current is conver
8. Junction Field Effect Transistor A three terminal semiconductor device constructed with a PN junction at its input and a conducting channel as the output section The PN junction of the input section is reverse biased to provide an extremely high input resistance A graphical programming language DIO output signal that pulses when data is ready on the write bus Light emitting diode Glossary 6 ni com N NI DAQ NI DAQmx NPN transistor NRSE op amp PCB PCI peak to peak PFI PN National Instruments Corporation Glossary National Instruments driver software for DAQ hardware The latest NI DAQ driver with new VIs functions and development tools for controlling measurement devices A two junction bipolar semiconductor transistor with an N type negative ion collector and emitter and a P type positive ion base An NPN transistor is created by adding a thin layer of P type semiconductor material between two regions of N type material Nonreferenced single ended mode all measurements are made with respect to a common NRSE measurement system reference but the voltage at this reference can vary with respect to the measurement system ground Operational amplifier pre built amplifier modules that are general enough to be used almost anywhere an amplifier is needed Printed circuit board Peripheral Component Interconnect a high performance expansion bus architecture originally developed by I
9. board as CH lt A B gt CH lt A B gt and TRIGGER CH lt A B gt are directly connected to ACH3 and ACHA respectively on the DAQ device If you are using the scope you cannot use ACH 3 and 4 Caution By connecting different signals to the Scope terminals on the prototyping board and the Scope connectors on the control panel you are shorting them together potentially damaging the circuit on the prototyping board Connecting Analog Output Signals NI ELVIS Hardware User Manual This section describes how to connect the AO signals on the prototyping board Generic Analog Output NI ELVIS provides access to the two analog outputs from the DAQ device at the DACO and DACI terminals These channels are used by the NI ELVIS hardware for arbitrary waveform generation The output of the DAQ device is buffered and protected by the NI ELVIS hardware Caution Other functions of NI ELVIS such as the DMM and FGEN internally use DACO and DAC1 and these functions can potentially interfere with the measurements The driver software generates an error message when there is a potential resource conflict 3 14 ni com Chapter 3 Hardware Overview DC Power Supplies The DC power supplies output a static 15 V and 5 V For more information about the DC power supplies output refer to Appendix A Specifications Function Generator FGEN Access to the function generator on the prototyping board includes several additional terminals be
10. create any resource conflicts To use the information in Figure D 1 find the instrument you want to use in the left column That row lists all the functions that are resource conflicts If the intersecting box contains an you can use those functions simultaneously without any conflicts National Instruments Corporation D 1 NI ELVIS Hardware User Manual Appendix D Resource Conflicts Function Generator Base Function Generator Ultrafine Function Generator Modulated ARB DAC lt 0 1 gt Oscilloscope Dynamic Signal Analyzer DMM Continuity Tester DMM Resistance Meter DMM Capacitance Meter DMM Inductance Meter DMM Voltmeter DMM Ammeter DMM Diode Tester Impedance Analyzer Bode Analyzer Two Wire Current Voltage Analyzer Three Wire Current Voltage Analyzer NI ELVIS Hardware User Manual Function Generator Base Function Generator Ultrafine Function Generator Modulated ARB DAC lt 0 1 gt DMM Resistance Meter DMM Capacitance Meter DMM Inductance Meter DMM Voltmeter DMM Continuity Tester DMM Ammeter Dynamic Signal Analyzer Oscilloscope DMM Diode Tester Impedance Analyzer Bode Analyzer Two Wire Current Voltage Analyzer Three Wire Current Voltage Analyzer n Q p Q l l I Q E Q a Q I l l E Q EN Q w o l l l Q l l l ao ao ao ais ais aid aid
11. down opening the connection electrically The 15 V 15 V and 5 V lines are protected by self resetting circuitry After the cause of the circuit problem is resolved the circuit resets To debug the protection board you need a DMM with an ohmmeter Complete the following steps to debug the protection board 1 Unplug the power cable 2 Remove the protection board assembly from the rest of the NI ELVIS workstation For instructions on removing the protection board refer to the Removing the Protection Board section 3 Check the fuses since these signals are much more likely to have been overloaded To check the fuse verify that there is continuity across the fuse If all the fuses are operational proceed to the resistor packs 4 Verify that the resistance across each resistor is 100 Q 5 One resistor is located between each of the following pairs of pins 1 and 16 2 and 15 3 and 14 4 and 13 5 and 12 6 and 11 7 and 10 and 8 and 9 The resistor packs are socketed so that you can easily replace resistors B 2 ni com Appendix B Protection Board Fuses d Caution Before restoring power to the circuit be sure the problem that caused the protection board component to fail has been resolved to keep the same fuse or resistor from failing again If you replace a fuse use a 0 5 A 250 V T 0 5 AL 250V 5 x 20 mm slow blow Littelfuse N Cautions For continued protection against fire replace only with fuses of the sa
12. operation C 15 BANANA lt A D gt signals connecting user configurable I O signals 3 16 connector locations figure 3 7 signal description table 3 9 benchtop workstation controls and indicators 3 2 overview 2 2 parts locator diagram 3 2 removing protection board B 1 theory of operation C 1 BNC lt 1 2 gt signals connecting user configurable I O signals 3 16 signal description table 3 9 NI ELVIS Hardware User Manual Index 2 BNC lt 1 2 gt signals connecting user configurable I O signals 3 16 signal description table 3 9 bode analyzer resource conflicts table D 2 SFP overview 2 5 specifications A 2 bypass mode communications switch location figure 3 2 overview 3 2 C calibration utility 2 9 CH lt A B gt signals See also oscilloscope signal description table 3 8 CH lt A B gt signals See also oscilloscope connecting analog input signals 3 14 signal description table 3 8 communications switch location figure 3 2 overview 3 2 configuring NI ELVIS 2 4 conflicts resources table D 1 connecting signals on the prototyping board analog input DMM 3 14 generic analog input 3 12 grounding 3 12 oscilloscope 3 14 resource conflicts overview 3 13 table D 2 analog output DC power supplies 3 15 function generator 3 15 generic analog output 3 14 ni com variable power supplies 3 15 counter timer signals 3 16 digital I O 3 16 user configurable signals
13. route many different internal AI AO DI or DO timing signals to each PFI output You also can route the counter timer outputs to each PFI output You can also use these signals as static digital outputs port 1 or port 2 Connecting Signals This section provides information about connecting signals between the NI ELVIS and the DAQ device Refer to Appendix D Resource Conflicts for a table showing possible resource conflicts when connecting NI ELVIS signals N Caution Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires National Instruments Corporation 3 11 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview Grounding Considerations Because the analog channels are differential you must establish a ground point somewhere in the signal path As long as the signal you are measuring is referenced to one of the NI ELVIS GROUND pins the measurement is correctly referenced If a floating source such as a battery is being measured be sure to connect one end of the signal to the NI ELVIS GROUND Terminals for the NI ELVIS GROUND signal are located at several locations on the prototyping board All these signals are connected together Connecting Analog Input Signals This section describes how to connect AI signals on the NI ELVIS Prototyping Board Refer to the DAQ device documentation for more information about
14. the benchtop workstation is cabled to the appropriate DAQ device all buttons should be enabled If there is a problem with your configuration such as when the NI ELVIS Benchtop Workstation is powered off or disconnected from the configured DAQ device all instrument buttons are dimmed and the only available option is to click the Configure button Refer to the Where to Start with NI ELVIS document for more information about configuring NI ELVIS Some instruments perform similar operations using the same resources of the NI ELVIS hardware and the DAQ device and therefore cannot run at the same time If you launch two instruments with overlapping functionality that cannot run at the same time the NI ELVIS Traditional software generates an error dialog describing the conflict The instrument with the error is disabled and will not function until the conflict is resolved Refer to Appendix D Resource Conflicts for more information about possible resource conflicts Arbitrary Waveform Generator ARB This advanced level SFP instrument uses the AO capabilities of the DAQ device You can create a variety of signal types using the Waveform Editor software which is included with the NI ELVIS Traditional software You can load waveforms created with the NI Waveform Editor into the ARB SFP to generate stored waveforms Refer to the NI ELVIS Traditional Help for more information about the Waveform Editor Because a typical DAQ device has two AO
15. the control panel NI ELVIS VARIABLE POWER SUPPLIES FUNCTION GENERATOR DMM SCOPE oHa Q7 NATIONAL p INSTRUMENTS SYSTEM POWER C MANUAL O MANUAL O MANUAL Oo ad AMPLITUDE JL LASS u D O 40 K VOLTAGE VOLTAGE Su VET ous NI ZA 12 o 0 B 500 Hz FREQUENCY J N Log COARSE FREQUENCY SZ FUSED AT 500 mA Q S 8 z 1 1 System Power LED 5 Function Generator FGEN Controls 2 Prototyping Board Power Switch 6 DMM Connectors 3 Communications Switch 7 Oscilloscope Scope Connectors 4 Variable Power Supplies Controls Figure 3 1 Control Panel Diagram of the Benchtop Workstation The benchtop workstation has the following controls and indicators e System Power LED Indicates whether the NI ELVIS is powered on Prototyping Board Power Switch Controls the power to the prototyping board e Communications Switch Requests disabling software control of the NI ELVIS In most applications set this switch to Normal to enable the computer to control NI ELVIS For more information about the Communications switch refer to Appendix F Using Bypass Communication Mode NI ELVIS Hardware User Manual 3 2 ni com National Instruments Corporation Chapter 3 Hardware Overview Variable Power Supplies Controls Supply Controls Manual Switch Controls whether the negative supply is in Manual mo
16. waveform 3 3 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview Coarse Frequency Knob Sets the range of frequencies the function generator can generate Fine Frequency Knob Adjusts the output frequency of the function generator For more information about the software controls for the function generator refer to the NI ELVIS Traditional Help DMM Connectors CURRENT Banana Jacks e HI The positive input to all the DMM functionality except measuring voltage e LO The negative input to all the DMM functionality except measuring voltage VOLTAGE Banana Jacks e HI The positive input for voltage measurements e LO The negative input for voltage measurements If you use the front panel DMM inputs do not use the DMM inputs on the prototyping board AN Caution By connecting different signals to both the DMM terminals on the prototyping board and the DMM connectors on the control panel you are shorting them together potentially damaging the circuit on the prototyping board yl Note The NI ELVIS DMM is ground referenced Oscilloscope Scope Connectors CHA BNC Connector The input for channel A of the Oscilloscope CHB BNC Connector The input for channel B of the Oscilloscope Trigger BNC Connector The input to the trigger of the Oscilloscope If you use the front panel scope inputs do not use the scope inputs on the prototyping board AN Caution By con
17. 0 GATE CTRO_OUTPUT Output CTR 0 OUT CTR1_SOURCE Input CTR 1 SRC CTR1_GATE Input CTR 1 GATE CTR1_OUTPUT Output CTR 1 OUT FREQ OUT Output FREQ OUT On E B Series DAQ devices you can configure all of these signals as inputs or output however when used with the NI ELVIS workstation these signals are fixed direction either input or output Refer to the PFI Signal Description section and the E Series User Manual for more complete descriptions of these signals PFI Signal Description PFI You can use these signals to supply an external source for AI AO DI and DO timing signals or counter timer inputs National Instruments Corporation E 3 NI ELVIS Hardware User Manual Using Bypass Communication Mode This appendix describes the function of the Communications switch on the NI ELVIS workstation front panel In most applications set the communications switch to Normal The following DAQ device functions are routed directly to the prototyping board Analog input e Analog output e Counter I O You can access these functions directly regardless of the position of the communications switch by using the native NI DAQmx functions supported by the DAQ device Refer to the NJ DAQmx Help for more information When the Variable Power Supply and Function Generator are switched to Manual mode they are controlled directly by the controls on the NI ELVIS workstations and are not affected by the position of the communications
18. 10 mA 10 V 0to 12V 0 25 7 bits 0 5 V at 160 mA 5 V at 275 mA 12 V at 450 mA 0to 12 V 0 25 7 bits 0 5 V at 130 mA 5 V at 290 mA 12 V at 450 mA Total current drawn from 15 V and the negative variable power supply cannot exceed 500 mA O National Instruments Corporation NI ELVIS Hardware User Manual Appendix A Specifications Physical Dimensions eee 31 75 x 30 48 x 12 7 cm 12 5 x 12 0x 5 in KEE 4 08 kg 9 0 Ib Prototyping board Suggested field wiring diameter 22 AWG single connector Maximum Working Voltage Maximum working voltage refers to the signal voltage plus the common mode voltage Channel to earth sess x20 V Measurement Category I Channel to channel x20 V Measurement Category I N Caution Do not use for connection to signals in Categories II III or IV Environmental Operating temperature sesse see see ee 0 to 40 C Storage temperature esse sees ee ee 20 to 70 C Humidity aiite thea 10 to 90 relative humidity noncondensing Maximum alomde sees see ee ee 2 000 m Pollution Degree indoor use only 2 Safety This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use e IEC 61010 1 EN 61010 1 e UL 61010 1 CSA 61010 1 ei Note For UL and other safety certifications refer to the
19. 3 16 connectors See I O connectors conventions used in the manual iv counter timers connecting signals 3 16 resistor pack B 4 resource conflicts table D 2 CURRENT HI signal See also DMM connecting analog input signals 3 14 fuses figure B 3 signal description table 3 8 theory of operation DMM C 3 impedance analyzer C 8 three wire current voltage analyzer C 13 two wire current voltage analyzer C 12 CURRENT LO signal See also DMM connecting analog input signals 3 14 fuses figure B 3 impedance analyzer theory of operation figure C 9 signal description table 3 8 theory of operation DMM C 3 three wire current voltage analyzer C 13 two wire current voltage analyzer C 12 D DAC lt 0 1 gt signals See also analog output connecting analog output signals 3 14 National Instruments Corporation Index 3 Index fuses figure B 3 internally using caution 3 14 signal description table 3 8 theory of operation three wire current voltage analyzer C 13 two wire current voltage analyzer C 12 DAQ hardware definition 1 2 NI ELVIS components figure 2 1 2 2 overview 1 3 resource conflicts table D 2 theory of operation C 1 DC power supplies prototyping board power 3 7 signal descriptions table 3 9 specifications 5 V power supply A 3 15 V supply A 2 debugging the protection board B 2 DI lt 0 7 gt signals See also digital I O connecting digital I O sign
20. 3 17 signal description table 3 10 NI ELVIS components figure 2 1 2 2 configuring 2 4 hardware overview 2 2 O National Instruments Corporation Index 5 Index instrument launcher 2 4 LabVIEW API 2 8 overview 1 5 benchtop workstation 2 2 DAQ hardware 1 3 LabVIEW 1 3 prototyping board 2 3 parts locator diagram 2 1 2 2 software overview 2 3 theory of operation C 1 using in academic disciplines 2 10 2 11 oscilloscope connectors figure 3 2 connectors on benchtop workstation 3 4 overview 2 6 resource conflicts overview 3 13 table D 2 signal descriptions table 3 8 specifications A 6 power supply DC See DC power supply prototyping board 3 7 variable See variable power supplies programmable function I O resistor pack B 4 protection board debugging B 2 overview 3 6 reinstalling B 4 removing the protection board B 1 theory of operation C 1 prototyping board connecting signals analog input NI ELVIS Hardware User Manual Index DMM 3 14 generic analog input 3 12 grounding 3 12 oscilloscope 3 14 resource conflicts overview 3 13 table D 2 analog output DC power supplies 3 15 function generator 3 15 generic analog output 3 14 variable power supplies 3 15 counter timer signals 3 16 digital I O 3 16 overview 2 3 3 6 parts locator diagram 3 7 power supply 3 7 switch figure 3 2 signal descriptions table 3 8 theory of operatio
21. Benchtop Workstation control panel connection is always connected DAQ Device The DAQ device reads the reference sine wave on AI 5 The AI 5 voltage reading is the input from the NI ELVIS to the DUT CURRENT LO The hardware connection to the CURRENT LO pin is shown in Figure C 6 The paragraphs that follow the figure describe each section of the figure in more detail Impedance Analyzer Signal Path A B C D Prototyping Protection Board NI ELVIS Motherboard DAQ Device Board i Gain Gain CURRENT LO i i i i H Gain ri i Benchtop i e Workstation Fuse Switch Gain Control SE Panel FIG o6 0 Al 7 i i MUX i i IG i z 0OAI 15 CURRENT LO alps ee ee eee NA 7 Note This CURRENT LO signal routes first to the motherboard and then to the protection board as shown Figure C 6 CURRENT LO Block Diagram Prototyping Board and Benchtop Workstation Connectors When the NI ELVIS Prototyping Board is powered off the CURRENT LO pin from the prototyping board is disconnected The NI ELVIS Benchtop Workstation control panel connection is always connected Protection Board The signal from the DUT passes through a fuse on the protection board This fuse adds resistance to the measurement National Instruments Corporation C 9 NI ELVIS Hardware User Manual Appe
22. Chapter 3 Hardware Overview Eight LEDs are provided for general digital output The anode of each LED is connected to the distribution strip through a 220 Q resistor and each cathode is connected to ground Refer to Table 3 1 for more information about the signal names for the user configurable I O connectors National Instruments Corporation 3 17 NI ELVIS Hardware User Manual Calibration Electronic components such as ADCs are characterized by nonlinearities and drift due to time and temperature Compensating for these inherent sources of error requires device self calibration To improve the accuracy of the system you should periodically calibrate both the NI ELVIS workstation and the M Series DAQ device Running the NI ELVIS Traditional Calibration Utility Complete the following steps to self calibrate the M Series DAQ device 1 Launch MAX Expand Devices and Interfaces Find the M Series DAQ device in the list of devices and interfaces Right click the appropriate M Series DAQ device Select Self Calibrate EG p To calibrate the NI ELVIS workstation run the calibration utility included in the NI ELVIS Traditional software from Start National Instruments NI ELVIS Traditional Calibration Wizard You can use the NI ELVIS Traditional Calibration Wizard to calibrate the Variable Power Supply and Function Generator 3 Note This calibration is only applied when using these instruments in software mode N
23. Glossary 3 Glossary Celsius The ability to hold an electrical charge Channel Pin or wire lead to which you apply or from which you read the analog or digital signal Analog signals can be single ended or differential For digital signals you group channels to form ports Ports usually consist of either four or eight digital channels A circuit that counts external pulses or clock pulses timing Counter 0 gate signal Counter 0 output signal Counter 0 source signal Counter gate signal Counter output signal Input signals for current related measurements for the DMM Digital to analog D A converter Data acquisition Decibel the unit for expressing a logarithmic measure of the ratio of two signal levels dB 20log10 V1 V2 for signals in volts Direct current A default parameter value recorded in the driver In many cases the default input of a control is a certain value often 0 that means use the current default setting NI ELVIS Hardware User Manual Glossary DI differential input digital trigger DIO diode DMM DO DOC DSA DUT E ECG EEPROM ELVIS EMC EMI EXTSTROBE FCC FGEN NI ELVIS Hardware User Manual Digital I O input signals sent to the DI bus An analog input consisting of two terminals both of which are isolated from computer ground whose difference is measured A TTL level signal having two discrete levels a high level and a low level Digi
24. HI O Current Meter Signal Path Protection Board B o C NI ELVIS Motherboard Switches Shunt Diff Amp CURRENT LO OO Benchtop Workstation Control Panel CURRENT HI CURRENT LO Note This CURRENT HI and CURRENT LO signal routes first to the motherboard and then to the protection board as shown D DAQ Device MUX oAI 7 OAI 15 Figure C 2 NI ELVIS Current Meter Block Diagram Prototyping Board and Benchtop Workstation Connectors The input to the NI ELVIS current meter circuit can come from the NI ELVIS Prototyping Board or from the connectors on the NI ELVIS Benchtop Workstation control panel When the prototyping board is powered off the CURRENT HI and CURRENT LO terminals from the prototyping board are disconnected and any current from the prototyping board stops flowing Protection Board The protection board has fuses for each channel These fuses handle overcurrent conditions NI ELVIS Hardware User Manual C 4 ni com Appendix C Theory of Operation NI ELVIS Motherboard A 0 5 Q current shunt resistor is used at the input of a difference amplifier to convert the current to a voltage The current meter is not adjusted for common mode rejection The common mode rejection of the current meter is determined by the difference amplifier The out
25. I NI ELVIS I INSTRUMENTS PROTOTYPING BOARD T anon ages gogna d 8 BEBE SEHR 13008 les x 8 8 use Hanea aaaEa oola dae BEBSE manea og 8 Bm ooooo monum ooooo ooooo DO DigitalUO zs alije Goong ooo S aljo Haaaa ooo00 BS S um ala BREE BadBa Gg SWS Base vaner Die ele Eg EEN EE D all S nn gagag 3 Bm BANANA sv eS Bl D aeeoa Su alle 85588 See 202 ele 4 a s0 0 o nunnu ooooo ojo anao ooooo goooo O H2 ae sela alle alle aa als al ut 8 Sje penama Basse efie alja Haese aaaea ala Se rd BEBBA opp Donen nana E ER sojlo s s BREER s Gages 2 alle gasae ROSE se Sc BANANA B ac o o o nanna anann ollle allo nanan nnana ojja ala Oscilloscope oan O ao o EIER ooooo oj alo ooooo goooo off alles sels alle sues eee Ble oe Besas Base Z gps n l BU Gaana s aeaaea olle a Soo saana G SC K Tm nmnnuu ooooo ooooo nunnnu d KM 1 Pesalnaue 718 alle goood Haaaa SIE alle goooo oo000 Ss a O youre ljo BIG Goong oomoo el aljo BEER BR ae ales KO BANANA C le ZS ausa ooooo AE 8 8 senon s sees BI gs VO xS B ESCH b 2 SECH 25885 3 Bum Pa Se peana BEER af OW Baaaa adea g P3 B O 8 8118 musa ooooo 8108 SB mass goon DIS 8 D DDDDD ooooo ajo ana ooooo gooooo o 8 8 onono ooo ele ojo oooo0 e nunun 8 O BODDE Ger HODGE ononon 9 B NANAD BREE ees b 3 Ese Haag OZ o dadoa godda AJ 9 gadda daada g O 9 nans usan BB SB onoono g onoono 8 LM 8 nagoa aesaa dle SIG Hasan aaaea 8 slo off siana Ha
26. IS instruments you can also use the general AI AO DIO and CTR functionality available on the NI ELVIS hardware in SignalExpress Refer to Figure 2 1 Parts Locator Diagram for Desktop NI ELVIS Systems for an illustration of NI ELVIS National Instruments Corporation 1 5 NI ELVIS Hardware User Manual Chapter 1 DAQ System Overview Related Documentation NI ELVIS Hardware User Manual The following documents contain information that you might find helpful as you read this manual DAQ device documentation Getting Started with LabVIEW LabVIEW Help available by selecting Help VI Function and How To Help from the LabVIEW block diagram or front panel LabVIEW Fundamentals Measurement amp Automation Explorer Help for DAQmx available by selecting Help Help Topics NI DA Qmx from the Measurement amp Automation Explorer MAX window Where to Start with NI ELVIS available in PDF format on the NI ELVIS Traditional software media NI ELVIS Traditional Help available on the NI ELVIS Traditional software media Getting Started with SignalExpress NI Express Workbench Help available by selecting Help Express Workbench Help from the SignalExpress window ni com academic for various academic resources You can download NI documents from ni com manuals 1 6 ni com NI ELVIS Overview NI ELVIS combines hardware and software into one complete laboratory suite This chapter provides an overview of the h
27. LVIS Traditional software created in LabVIEW takes advantage of the capabilities of virtual instrumentation The software includes SFP instruments the LabVIEW API and SignalExpress blocks for programming the NI ELVIS hardware SFP Instruments NI ELVIS Traditional ships with the SFP instruments created in LabVIEW and the source code for the instruments You cannot directly modify the executable files but you can modify or enhance the functionality of these instruments by modifying the LabVIEW code The instruments are virtual instruments VIs that are necessary in typical laboratory applications ei Note For a detailed explanation of the SFP instruments and instructions for taking a measurement with each instrument refer to the NJ ELVIS Traditional Help National Instruments Corporation 2 3 NI ELVIS Hardware User Manual Chapter 2 NI ELVIS Overview NI ELVIS Hardware User Manual Instrument Launcher The NI ELVIS Traditional Instrument Launcher provides access to the NI ELVIS Traditional SFP instruments Launch the NI ELVIS Traditional Instrument Launcher by double clicking the NI ELVIS Traditional desktop icon or navigate to Start All Program Files National Instruments NI ELVIS Traditional NI ELVIS Traditional After initializing the suite of LabVIEW SFP instruments opens To launch an instrument click the button corresponding to the desired instrument If the NI ELVIS Traditional software is properly configured and
28. M This commonly used instrument can perform the following types of measurements e DC voltage e AC voltage e Current DC and AC e Resistance e Capacitance e Inductance e Diode test e Audible continuity You can connect to the DMM from the NI ELVIS Prototyping Board or from the banana style connectors on the front panel of the benchtop workstation National Instruments Corporation 2 5 NI ELVIS Hardware User Manual Chapter 2 NI ELVIS Overview NI ELVIS Hardware User Manual Dynamic Signal Analyzer DSA This instrument is especially useful in advanced electrical engineering and physics classes This instrument uses the analog input of the DAQ device to make measurements and can either continuously make measurements or make a single scan You can also apply various window and filtering options to the signal Function Generator FGEN This instrument provides you with choices for the type of output waveform sine square or triangle amplitude selection and frequency settings In addition the instrument offers DC offset setting frequency sweep capabilities and amplitude and frequency modulation Impedance Analyzer This instrument is a basic impedance analyzer that is capable of measuring the resistance and reactance for passive two wire elements at a given frequency Oscilloscope Scope This instrument provides the functionality of the standard desktop oscilloscope found in typical undergraduate lab
29. MAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Conventions 3 AN A N bold DAQ device ELVIS italic monospace The following conventions are used in this manual Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name for example AO lt 3 0 gt The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of prec
30. NI Educational Laboratory Virtual Instrumentation Suite NI ELVIS Hardware User Manual NATIONAL August 2008 lt A 373363F 01 ON INSTRUMENTS Worldwide Technical Support and Product Information ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 Worldwide Offices Australia 1800 300 800 Austria 43 662 457990 0 Belgium 32 0 2 757 0020 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 5050 9800 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 358 0 9 725 72511 France 01 57 66 24 24 Germany 49 89 7413130 India 91 80 41190000 Israel 972 3 6393737 Italy 39 02 41309277 Japan 0120 527196 Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 495 783 6851 Singapore 1800 226 5886 Slovenia 386 3 425 42 00 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 2005151 Taiwan 886 02 2377 2222 Thailand 662 278 6777 Turkey 90 212 279 3031 United Kingdom 44 0 1635 523545 For further support information refer to the Signal Conditioning Technical Support Information document To comment on National Instruments documentation refer to the National Instruments Web site at ni com info and enter the info code
31. T Fuses 7 5 V Current Limiting Circuitry 4 Resistor Packs lt 1 8 gt Figure B 2 Parts Locator Diagram for NI ELVIS Protection Board O National Instruments Corporation B 3 NI ELVIS Hardware User Manual Appendix B Protection Board Fuses Table B 1 shows the relationship between the resistor packs and the NI ELVIS components Table B 1 Resistor Packs and NI ELVIS Components Resistor Pack NI ELVIS Component RP Analog input RP2 Analog input RP3 AM_IN FUNC_OUT SYNC_OUT AI SENSE RP4 Counter timer I O RP5 Digital output RP6 Digital input RP7 SCANCLK programmable function I O RP8 ADDRESS lt 0 3 gt Reinstalling the Protection Board Reinstall the NI ELVIS Protection Board before resuming use of NI ELVIS To replace the protection board complete the following steps 1 NI ELVIS Hardware User Manual Reinsert the PCI connector of the protection board into the benchtop workstation rear connector Tighten the four captive screws located on the back of the protection board Plug in the 68 pin cable and the power supply Plug in the power cable Power on NI ELVIS B 4 ni com Theory of Operation This appendix provides additional information about the basic operation of the NI ELVIS circuitry for the DMM function generator impedance analyzer two and three wire current voltage analyzers and analog output 3 Note To reduce measurement error calibrate the DAQ
32. academic use of NI ELVIS 2 10 2 11 ACH lt 0 5 gt signals analog input signal mapping table 3 12 signal description table 3 8 ACH lt 0 5 gt signals analog input signal mapping table 3 12 signal description table 3 8 ADDRESS lt 0 3 gt signals See also digital I O resistor pack B 4 signal description table 3 10 AI GND signal analog input signal mapping table 3 12 connecting analog input signals 3 12 signal description table 3 8 AI SENSE signal analog input signal mapping table 3 12 connecting analog input signals 3 12 resistor pack B 4 signal description table 3 8 AM IN signal See also function generator connecting analog output signals 3 15 resistor pack B 4 signal description table 3 9 analog input connecting signals 3 12 resistor packs B 4 resource conflicts 3 13 signal mapping table 3 12 software instruments bode analyzer SFP 2 5 DMM SFP 2 5 DSA SFP 2 6 impedance analyzer SFP 2 6 scope SFP 2 6 NI ELVIS Hardware User Manual Index three wire current voltage analyzer SFP 2 7 two wire current voltage analyzer SFP 2 7 analog output connecting signals 3 14 hardware instruments function generator controls 3 3 overview 2 2 variable power supplies controls 3 3 overview 2 2 software instruments ARB SFP 2 4 FGEN SFP 2 6 variable power supplies 2 7 theory of operation C 15 API overview 2 8 ARB resource conflicts table D 2 SFP overview 2 4 theory of
33. als 3 16 signal description table 3 10 digital bus reader SFP 2 5 digital bus writer SFP 2 5 digital VO connecting signals 3 16 resistor packs B 4 resource conflicts D 1 signal descriptions table 3 9 3 10 software instruments digital bus reader 2 5 digital bus writer SFP 2 5 digital multimeter See DMM DMM connecting signals 3 14 connectors description 3 4 location figure 3 2 NI ELVIS Hardware User Manual Index internally using the DACs caution 3 14 overview 2 5 resource conflicts table D 2 signal descriptions table 3 8 specifications current measurement A 4 voltage measurement A 5 theory of operation C 1 DO lt 0 7 gt signals See also digital I O connecting digital I O signals 3 16 signal description table 3 9 documentation conventions used in the manual iv related documentation 1 6 DSA resource conflicts table D 2 SFP overview 2 6 DSUB PIN signals signal description table 3 10 DSUB SHIELD signal signal description table 3 10 dynamic signal analyzer See DSA E electromagnetic compatibility specifications A 9 ELVIS See NI ELVIS F FGEN See function generator FM_IN signal See also function generator connecting analog output signals 3 15 signal description table 3 9 FUNC_OUT signal See also function generator connecting analog output signals 3 15 resistor pack B 4 NI ELVIS Hardware User Manual signal description table 3 9 function generato
34. alyzing capabilities of the DMM such as the capacitance meter diode tester and so on are used If you are using the Oscilloscope disconnect any signals from ACH3 and ACH4 to avoid double driving the channels For more information about possible resource conflicts refer to Appendix D Resource Conflicts Refer to Table 3 4 for AI channel resource conflicts Table 3 4 AI Channel Resource Conflicts AI Channel Conflict 0 None 1 None 2 None 3 Oscilloscope CH A 4 Oscilloscope CH B 5 DMM Capacitor Diode Tester National Instruments Corporation 3 13 NI ELVIS Hardware User Manual Chapter 3 AN Hardware Overview DMM Both the CURRENT and VOLTAGE inputs are available on the prototyping board along with an additional terminal for three wire transistor measurements The differential voltmeter inputs are labeled VOLTAGE HI and VOLTAGE LO The rest of the functionality of the DMM is available through the CURRENT HI and CURRENT LO pins The 3 WIRE pin is used for three terminal device measurements in conjunction with the CURRENT HI and CURRENT LO pins If you are using the DMM you cannot use ACH 5 Caution By connecting different signals to both the DMM terminals on the prototyping board and the DMM connectors on the control panel you are shorting them together potentially damaging the circuit on the prototyping board Oscilloscope The inputs of the Oscilloscope are available on the prototyping
35. ances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document National Instruments Corporation A 9 NI ELVIS Hardware User Manual Appendix A Specifications Waste Electrical and Electronic Equipment WEEE R EU Customers At the end of the life cycle all products must be sent to a WEEE recycling EZ center For more information about WEEE recycling centers and National Instruments WEEE initiatives visit ni com environment weee Bae is Riehl SDE CAE RoHS OG FHA National instruments 4At E Ft D B ETL SEER EIR ROHS Mea EZE ni com environment rohs_china KF National Instruments F E RoHS Z DU For information about China RoHS compliance go to ni com environment rohs china NI ELVIS Hardware User Manual A 10 ni com Protection Board Fuses This appendix describes the fuses on the NI ELVIS Protection Board and provides instructions on how to remove the protection board from the NI ELVIS Benchtop Workstation debug the protection board and change fuses Removing the Protection Board The protection board detaches from the NI ELVIS Benchtop Workstation as shown in Figure B 1 Refer to the Wher
36. and it offers convenient connectivity in the form of BNC and banana style connectors NI ELVIS Hardware User Manual 2 2 ni com Chapter 2 NI ELVIS Overview to the NI ELVIS Traditional Scope and NI ELVIS Traditional DMM The NI ELVIS Traditional software routes signals in the NI ELVIS Benchtop Workstation between the SFP instruments For example you can route the output of the function generator to a specific channel of the DAQ device and ultimately acquire data on a desired channel of the NI ELVIS Traditional Scope The benchtop workstation also contains a protection board that protects the DAQ device from possible damage resulting from laboratory errors Refer to the NJ ELVIS Benchtop Workstation section of Chapter 3 Hardware Overview for more detailed information about the benchtop workstation including the parts locator diagram NI ELVIS Prototyping Board The NI ELVIS Prototyping Board connects to the benchtop workstation The prototyping board provides an area for building electronic circuitry and allows the connections necessary to access signals for common applications You can use multiple prototyping boards interchangeably with the NI ELVIS Benchtop Workstation Refer to the NJ ELVIS Prototyping Board section of Chapter 3 Hardware Overview for more information about the prototyping board including signal descriptions connection instructions and the parts locator diagram NI ELVIS Traditional Software The NI E
37. ardware and software components of the NI ELVIS Additionally this chapter discusses how you can use NI ELVIS in various academic environments Chapter 3 Hardware Overview provides more detailed information about NI ELVIS hardware components Refer to the NI ELVIS Traditional Help for more information about the software components Refer to Figures 2 1 and 2 2 for a diagram of the NI ELVIS systems 1 Desktop Computer 3 Shielded Cable to M Series Device 2 68 Pin M Series DAQ Device 4 NI ELVIS Benchtop Workstation Figure 2 1 Parts Locator Diagram for Desktop NI ELVIS Systems O National Instruments Corporation 2 1 NI ELVIS Hardware User Manual Chapter 2 NI ELVIS Overview 1 Laptop Computer 4 NI USB M Series Device Power Cord 2 USB Cable 5 Shielded Cable to M Series Device 3 NI USB M Series with Mass Termination Device 6 NI ELVIS Benchtop Workstation Figure 2 2 Parts Locator Diagram for USB NI ELVIS Systems NI ELVIS Hardware The following sections briefly describe the hardware components of NI ELVIS For more specific information about these components refer to Chapter 3 Hardware Overview NI ELVIS Benchtop Workstation Together the benchtop workstation and the DAQ device create a complete laboratory system The workstation provides connectivity and functionality The workstation control panel provides easy to operate knobs for the function generator and variable power supplies
38. as Z SS Haas sanoa iz else 2 CURRENT Dpppn ooooo OOOOE ooooo D DR Ls o Die o 00000 ooooo jo E oo000 G0000 haa crro cur Count gowno ojja ooooo 00000 oi ole ooooo o0000 oz el omme js xe elle Doooo opppp Su Silla mmmmn opnng ala a emo mcr Aw mela s s BREER Games elle alle BEER sasaa 202 af er SE ch M 8 B sage masse Se oe Sassa Baasa alle SS Dsus ume swo ovr O 8 nuunu 5 O0000 lo E namun 5 gogoo 5 ale mme uS ale BEEBE HEBES ol ale Begge gagag os gje mg sa Gamma bands Su Bg Base base BV gl r dm nnmnnunu ooooo ooooo ooooo M E o Bs 50 Ou 00000 00000 ole alje 00000 00000 Spa Sir selg SUE Bu ooooo S aljo Annan ooooo 23 Biz pa ute Set TS Slo munne oomoo elf Sn eeep oomoo ail Besse pel BNC2 Configurable st o alle ooo00 ooooo alla alla oo000 nnnnn Ga all steen ki m ese vo mjo olo Dopnpn ooooo elle alle BooOE ooooo O lg osse F ace fo olo nunuu amp ooooo ig alo nnunuun 5 ooooo old Q os rns sla olio oo000 G0000 ole aio goooo BBBDDB ol aserne Variable Power rt O a o0000 O00000 lo ol BBBBH 00000 2 See Sirois ore Eug Goen nuum elf aljo mama goon 2002 8 some usor o eig 8 alija nunon s goog Su 8B Buen s goood S PS B mem oven ed ENE ele ale els al OO OS wit S 3 85 onse oomoo og Bu e messe maaan e lU ad onor suy NON ON Lol 0o00 ooo00 ooo00 jo ol oo000 ooooo 13000 sewe DC ppi 55858 Soe Pooos oooo BEBAE Sec A ELECTROSTATIC SENSITIVE CONNECTORS i
39. atents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DA
40. ational Instruments Corporation 4 1 NI ELVIS Hardware User Manual Specifications This appendix lists the specifications of the NI ELVIS These specifications are typical after a 30 minute warm up time at 23 C unless otherwise noted 3 Note NI ELVIS includes a calibration utility so that you can recalibrate the circuitry for the variable power supplies and function generator Analog Input Refer to the Analog Input section of the DAQ device specifications documentation Arbitrary Waveform Generator Analog Output Number of output channels 2 Maximum frequency sese DC to DAQ device AO update rate 10 Full power bandwidth 27 kHz Output amplitude 10 V Resolution rerererarrrnrrrnrnrnnnnnnnvrrrvvvrvevener 12 bits or 16 bits DAQ device dependent Output drive Current eee 25 mA Output impedance sess 1Q Slew rater annet 1 5 V us 1 The Arbitrary Waveform Generator does not work with the NI 6014 NI 6024E or NI 6036E O National Instruments Corporation A 1 NI ELVIS Hardware User Manual Appendix A Specifications Bode Analyzer Amplitude accuracy eese Phase Ted SA atlas Frequency range eee DC Power Supplies 15 V Supply Output current oe se ee se ke ee ke Output voltage esee Line regulation eene Load regulati
41. autions to take to avoid injury data loss or a system crash When this icon is marked on the product refer to the Read Me First Safety and Radio Frequency Interference document shipped with the product for precautions to take When symbol is marked on a product it denotes a warning advising you to take precautions to avoid electrical shock When symbol is marked on a product it denotes a component that may be hot Touching this component may result in bodily injury Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names DAQ device refers to any National Instrument DAQ device that meets the conditions listed in Chapter 3 Hardware Overview Educational Laboratory Virtual Instrumentation Suite Italic text denotes variables emphasis a cross reference or an introduction to a key concept Italic text also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions Contents Chapter 1 DAQ System Overview What is Virtual Instrumentation sreenrornnenonrnrrnnenrnennrnenrnenras
42. ccuracy In the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult National Instruments if errors are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow th
43. channels two waveforms may be simultaneously generated You can choose continuous output or a single output The maximum output rate of the NI ELVIS Traditional ARB SFP is determined by the maximum update rate of the DAQ device connected to the NI ELVIS hardware Refer to the DAQ device documentation for these specifications 2 4 ni com Chapter 2 NI ELVIS Overview Bode Analyzer By combining the frequency sweep feature of the function generator and the AI capability of the DAQ device a full function Bode Analyzer is available with NI ELVIS Traditional You can set the frequency range of the instrument and choose between linear and logarithmic display scales Refer to the NJ ELVIS Traditional Help for required hardware connections Digital Bus Reader This instrument reads digital data from the NI ELVIS digital input DI bus You can either continuously read from the bus or you can take a single reading Digital Bus Writer This instrument updates the NI ELVIS digital output DO bus with user specified digital patterns You can manually create a pattern or select predefined patterns such as ramp toggle or walking 1s This instrument can either continually output a pattern or just perform a single write The output of the NI ELVIS Traditional Digital Bus Writer SFP stays latched until the instrument is stopped or another pattern is output Output voltage levels of the NI ELVIS DO bus are TTL compatible Digital Multimeter DM
44. d dad paaa EE EET BEE 6 1 Al Oscilloscope and Programmable 6 DMM AO Function Generator Function I O Signal Rows User Configurable VO Variable Power Supplies DIO Signal Rows and DC Power Supplies Signal Rows LED Array 7 Power LEDs D SUB Connector 8 BNC Connectors Counter Timer User Configurable I O 9 Banana Jack Connectors and DC Power Supply Signal Rows OP oh Figure 3 3 Prototyping Board Parts Locator Diagram Prototyping Board Power The prototyping board provides access to a 15 V and a 45 V power supply You can use these voltage rails to construct many common circuits Refer to Appendix A Specifications for more information about these voltage rails If any of the power LEDs are not lit when the prototyping board power is enabled refer to Appendix B Protection Board Fuses for details about replacing NI ELVIS fuses National Instruments Corporation 3 7 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview Prototyping Board Signal Descriptions Tables 3 1 and 3 2 describe the signals on the NI ELVIS prototyping board The signals are grouped by the functionality section where they are located on the prototyping board Table 3 1 Signal Descriptions Signal Name Type Description ACH lt 0 2 gt General AI Analog Input Channels 0 through 2 Positive and negative input c
45. de or Software mode In Manual mode the voltage knob controls the negative power supply In Software mode the Variable Power Supply SFP controls the negative power supply Voltage Adjust Knob Controls the output of the negative supply The negative supply can output between 12 and 0 V You must set the Manual switch to Manual mode to use this knob Supply Controls Manual Switch Controls whether the positive supply is in Manual mode or Software mode In Manual mode the voltage knob controls the positive power supply In Software mode the Variable Power Supply SFP controls the positive power supply Voltage Adjust Knob Controls the output of the positive supply The positive supply can output between 0 and 12 V You must set the Manual switch to Manual mode to use this knob For more information about the software controls for the NI ELVIS Traditional Variable Power Supplies SFP refer to the NI ELVIS Traditional Help Function Generator Controls Manual Switch Controls whether the function generator is in Manual mode or Software mode In Manual mode the Function Selector Amplitude Knob Coarse Frequency Knob and Fine Frequency Knob controls the function generator In Software mode the FGEN SFP controls the Function Generator Function Selector Selects what type of waveform is generated NI ELVIS can generate sine square or triangle waves Amplitude Knob Adjusts the peak amplitude of the generated
46. device before each session DMM Measurements The DAQ device is configured for differential measurement mode for all DMM measurements Each DMM reading is referenced to the NI ELVIS GROUND signal The NI ELVIS Traditional software typically sets the input signal limitations but some NI ELVIS Traditional SFP instruments allow you to manually change the limits yl Note NI ELVIS does not support measuring signals with large common mode voltages You must ground reference floating signals Voltmeter When you use the voltmeter differential channel seven of the DAO device AI 7 and AI 15 is used to read the voltage signal from NI ELVIS NI ELVIS applies a gain of 0 5 to the voltages that are applied to VOLTAGE HI and VOLTAGE LO National Instruments Corporation C 1 NI ELVIS Hardware User Manual Appendix C Theory of Operation Block Diagram Figure C 1 shows a basic block diagram of the NI ELVIS voltmeter The paragraphs that follow the figure describe each section of the figure in more detail Voltmeter Signal Path A Prototyping Board QO B Protection Board C D NI ELVIS Motherboard DAQ Device 511 kQ OAI 7 WW 2 MUX WW VOLTAGE HI i i Benchtop Workstation Control i Panel VOLTAGE HI VOLTAGE LO Note This VOLTAGE HI and VOLTAGE LO signal routes first to the motherboard and then to the protection board where they are shor
47. e NI Express Workbench Help available by selecting Help gt Express Workbench Help from the SignalExpress window NI ELVIS Hardware User Manual 1 4 ni com Chapter 1 DAQ System Overview NI ELVIS Overview NI ELVIS uses LabVIEW based software instruments a multifunction DAQ device and a custom designed benchtop workstation and prototyping board to provide the functionality of a suite of common laboratory instruments The NI ELVIS hardware provides a function generator and variable power supplies from the benchtop workstation The NI ELVIS Traditional LabVIEW soft front panel SFP instruments combined with the functionality of the DAQ device and the NI ELVIS workstation provide the functionality of the following SFP instruments e Arbitrary Waveform Generator ARB e Bode Analyzer e Digital Bus Reader e Digital Bus Writer e Digital Multimeter DMM e Dynamic Signal Analyzer DSA e Function Generator FGEN e Impedance Analyzer e Oscilloscope Scope e Two Wire Current Voltage Analyzer e Three Wire Current Voltage Analyzer e Variable Power Supplies In addition to the SFP instruments NI ELVIS Traditional has a set of high level LabVIEW functions which you can use to customize your display and experiments to control the NI ELVIS workstation from LabVIEW With NI ELVIS Traditional 3 0 and later you can control the NI ELVIS instruments in a nonprogramming environment with SignalExpress In addition to the NI ELV
48. e National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation National Instruments respects the intellectual property of others and we ask our users to do the same NI software is protected by copyright and other intellectual property laws Where NI software may be used to reproduce software or other materials belonging to others you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction Trademarks National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies Patents For patents covering National Instruments products technology refer to the appropriate location Help P
49. e Three Wire Current Voltage Analyzer SFP The base current output on the CURRENT HI pin is from the DAQ device AO 0 The CURRENT HI pin is read on AI 5 as a voltage The DAQ device can only read voltage so the current is converted to voltage The voltage read is then converted back to current by using Ohm s Law For R use the NI ELVIS onboard 332 Q resistor and for V use the CH5 voltage Ib Amps CHS voltage The Base current Ib is not displayed on the SFP The input collector current is measured on the CURRENT LO pin of the prototyping board The CURRENT LO pin is read on AI 7 The DAQ device can only read voltage so the current is converted to voltage The NI ELVIS Traditional Impedance Analyzer circuitry is used to convert the current to voltage C 14 ni com Appendix C Theory of Operation The voltage read is then converted back to current by using Ohm s Law For R use the NI ELVIS feedback resistor CA Slope and for V use the CH7 voltage CH7 voltage Ic in Amps CA Slope The collector current is displayed as Current Ic A To determine the Beta 8 of the DUT use the following equation le BEG B is not displayed on the SFP Arbitrary Waveform Generator Analog Output The NI ELVIS buffers the output from the DAQ device This buffer prevents damage to the DAQ device The NI ELVIS is protected against overvoltage and overcurrent conditions Figure C 9 shows a basic block diagram of t
50. e to Start with NI ELVIS document for more parts locator diagrams of the NI ELVIS Benchtop Workstation 1 NI ELVIS Protection Board 2 NI ELVIS Benchtop Workstation Figure B 1 NI ELVIS Benchtop Workstation with Protection Board Removed National Instruments Corporation B 1 NI ELVIS Hardware User Manual Appendix B Protection Board Fuses Complete the following steps to remove the protection board from the benchtop workstation Refer to Figure B 1 as needed 1 Unplug the power cable Refer to the Where to Start with the NI ELVIS document for an illustration of the switch location 2 Unplug the 68 pin cable and the power supply cable from the benchtop workstation 3 Disconnect the prototyping board from the benchtop workstation 4 Unscrew the captive screws located on the back of the NI ELVIS Protection Board 5 Gently pull on the captive screws to remove the protection board Debugging the Protection Board NI ELVIS Hardware User Manual The protection board provides a level of electrical protection between the prototyping board and the motherboard of the NI ELVIS workstation This protection consists of fuses for the high current signals such as the AO channels and DMM and 100 Q current limited resistors for the low current signals such as the AI channels and digital signals If too much current begins to flow to or from a particular signal on the prototyping board the fuse or resistor breaks
51. enrnenresensnennnsenssensnsnnssenseee 1 1 KEIER E EE 1 2 DAQ ren EE 1 3 BEES ER AE dost edited eee rien e ene bee den 1 3 LabVIEW gn minke deret teet iret Hee EA 1 3 SignalEXpIess EE 1 4 NEBLVIS OVerVIeW ses e o E E ro e ER EE ERO ORAE NER IE 1 5 Rel ted Documentation 2 teet tene eR enn ttt tent etie Re ener dan OR AREE 1 6 Chapter 2 NI ELVIS Overview NIELVIS EE EE 2 2 NI ELVIS Benchtop Workstation 00 0 0 cece ses see se ee ee ee ee ee Re ee ee 2 2 NI ELVIS Prototyping Board 2 3 NI ELVIS Traditional Software 2 3 SEP Instr mehts is or p etitm E OR een 2 3 Instrument auncher nne nne 2 4 Arbitrary Waveform Generator ARD 2 4 Bode Analyzer eut rd eerte 2 5 Digital ER IR eta deed egest 2 5 Digital Bus Wier ENEE tret rep ertet reper 2 5 Digital Multimeter DMM sess 2 5 Dynamic Signal Analyzer DSA see 2 6 Function Generator FGEN essere 2 6 Impedance Analyz r eee egre de oen 2 6 Oscilloscope SCODp6 i ee dre teet Pe RE 2 6 Two Wire and Three Wire Current Voltage Analyzers 2 7 Variable Power Supplies tr tenete far 2 7 Using NI ELVIS Traditional with LabVIEW see 2 7 LabVIEW Ex press VIS sier et m Ee een 2 7 Low Level NI ELVIS Traditional AT 2 8 Using NI DAQmx with NI ELVIS Traditional 2 9 Using NI ELVIS Traditional in SignalExpress eee 2 9 NI ELVIS T
52. ense signal Amplitude modulation the process in which the amplitude of a carrier wave is varied to be directly proportional to the amplitude of the modulating signal Amplification modulation input signal A type of signal conditioning that improves accuracy in the resulting digitized signal and reduces noise The voltage amplitude of a signal When speaking of the amplitude of a signal it is usually assumed to be the RMS value for an AC signal However amplitude can also refer to the instantaneous amplitude or the peak peak to peak or average amplitude if so specified Analog output Arbitrary waveform generator Pictorial description or representation of a program or algorithm The block diagram consists of executable icons called nodes and wires that carry data between the nodes The block diagram is the source code for the VI The block diagram resides in the block diagram window of the VI A type of coaxial signal connector The plot of the gain and phase of a system as a function of frequency The group of conductors that interconnect individual circuitry in a computer Typically a bus is the expansion vehicle to which I O or other devices are connected An example of a PC bus is the PCI bus Glossary 2 ni com C C capacitance CH channel counter timer CTRO GATE CTRO OUT CTRO SOURCE CTR1_GATE CTR1_OUT CURRENT D D A DAC DAQ dB DC default setting National Instruments Corporation
53. example installing a thermocouple jack on the prototyping board allows robust thermocouple connections The programmable power supply can provide excitation for strain gauges used in strain measurements NI ELVIS in Biological Sciences UN Caution The NI ELVIS hardware is not environmentally sealed therefore exercise caution for use in chemical and biological sciences NI ELVIS Hardware User Manual Biomedical engineering departments have challenges that are similar to those of mechanical departments Students typically learn basic electronics and build instruments such as an electrocardiogram ECG monitor The prototyping board offers signal conditioning capability for ECG sensors and the NI ELVIS Traditional SFP instruments are ideal for testing the circuits as students build the signal conditioning circuits 2 10 ni com Chapter 2 NI ELVIS Overview NI ELVIS in Physical Sciences Physics students typically learn electronics and circuit design theory NI ELVIS provides these students with the opportunity to implement these concepts Physics students sometimes need signal conditioning for common sensors such as photoelectric multipliers or light detector sensors Students can build high gain low noise circuits on the removable printed circuit board PCB and study them in modern physics labs National Instruments Corporation 2 11 NI ELVIS Hardware User Manual Hardware Overview This chapter describes the hardware compone
54. feedback 2003 2008 National Instruments Corporation All rights reserved Important Information Warranty The NI ELVIS hardware is warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical a
55. hannels to differential AI channel ACH lt 3 4 gt General AI Analog Input Channels 3 and 4 Positive and negative input channels to differential AI channel If you are using the oscilloscope you cannot use ACH lt 3 4 gt ACH 5 General AI Analog Input Channel 5 Positive and negative input channel to differential AI channel If you are using the DMM you cannot use ACH 5 AI SENSE General AI Analog Input Sense Reference for the analog channels in nonreferenced single ended NRSE mode For more information about AI modes refer to the DAQ device documentation AI GND General AI Analog Input Ground AI ground reference for the DAQ device This ground signal is not connected to the NI ELVIS GROUND signals CH lt A B gt Oscilloscope Oscilloscope Channels A and B Positive input for the Oscilloscope channels CH lt A B gt Oscilloscope Oscilloscope Channels A and B Negative input for the Oscilloscope channels TRIGGER Oscilloscope Oscilloscope Trigger Trigger input for the Oscilloscope referenced to AI GND 3 WIRE DMM Three Wire Voltage source for the DMM for three wire transistor measurements CURRENT HI DMM Positive Current Positive input for the DMM for all measurements besides voltage The NI ELVIS is ground referenced CURRENT LO DMM Negative Current Negative input for the DMM for all measurements besides voltage The NI ELVIS is ground referenced VOLTAGE HI DMM Positive Voltage Positi
56. he NI ELVIS AO circuitry The paragraphs that follow the figure describe each section of the figure in more detail DAQ Device NI ELVIS Motherboard Prototyping 10 KQ Board DAC lt 0 1 gt 15 Figure C 9 Analog Output Block Diagram National Instruments Corporation C 15 NI ELVIS Hardware User Manual Appendix C Theory of Operation NI ELVIS Hardware User Manual Prototyping Board You can only access the output channels of the NI ELVIS DAC lt 0 1 gt on the prototyping board When the prototyping board is powered off the output is disconnected NI ELVIS Motherboard The DAQ device AO 0 and AO 1 are buffered on the NI ELVIS This buffer allows the NI ELVIS power supply to drive DACH and DAC 1 on the prototyping board The DAQ device provides the voltage but not the current The output signal is not adjusted for offset caused by NI ELVIS Refer to the Arbitrary Waveform Generator Analog Output section of Appendix A Specifications for further details DAQ Device The DAQ device must have analog output capability to use the NI ELVIS analog output In order to generate waveforms or patterns the DAQ device must have buffered output C 16 ni com Resource Conflicts Figure D 1 summarizes the resource conflicts you might encounter if you run certain NI ELVIS circuitry simultaneously The variable power supplies and digital circuitry are not included in this figure because they do not
57. is amplified sometimes expressed in decibels General purpose counter timer 0 gate signal available from a DAQ device General purpose counter timer 0 output signal available from a DAC device General purpose counter timer 0 clock source signal available from a DAQ device General purpose counter timer 1 gate signal available from a DAQ device General purpose counter timer 1 output signal available from a DAQ device General purpose counter timer 1 clock source signal available from a DAQ device Prototyping board ground signal Glossary 5 NI ELVIS Hardware User Manual Glossary H hardware triggering VO in impedance inductance JFET L LabVIEW LATCH LED NI ELVIS Hardware User Manual A form of triggering where you set the start time of an acquisition and gather data at a known position in time relative to a trigger signal Hertz the number of scans read or updates written per second Input output the transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces Inch or inches The electrical characteristic of a circuit expressed in ohms and or capacitance inductance The characteristic of a coil that generates a voltage due to changes in the current An inductor creates a voltage that is the derivative of the current while a capacitor creates a voltage that is the integral of the current
58. isabled therefore most NI ELVIS Traditional software functionality is unavailable in Bypass mode F 2 ni com Common Questions This appendix lists common questions related to the use of the NI ELVIS workstation Can I use the NI ELVIS Traditional SFP and the NI ELVIS Traditional API at the same time No Due to software conflicts you can only use one at a time In order to use the LabVIEW API you must first close the ELVIS Traditional SFP When using the current DMM function why are measurements made at the positive side of the circuit less accurate than measurements made on the grounded side The ELVIS DMM has limited common mode rejection capabilities For optimal accuracy make current measurements on the grounded side of the circuit Can I use multiple NI ELVIS Workstations on one computer NI ELVIS Traditional version 2 0 5 added the ability to open multiple simultaneous sessions of the NI ELVIS Traditional Instrument Launcher that you can use to control multiple NI ELVIS workstations This assumes that each workstation is connected to a separate DAQ device Each time you open the NI ELVIS Traditional executable a new session is instantiated so you can have a single session open for each workstation Once you open the NI ELVIS Traditional Instrument Launcher click the Configure button to set both Instrument Launchers to use different DAQ devices for communication The NI ELVIS Traditional LabVIEW API currently does not
59. lies Negative Output of 12 to 0 V variable power supply 15 V DC Power Supplies 15 V Source Output of fixed 15 V power supply referenced to the GROUND signal 15 V DC Power Supplies 15 V Source Output of fixed 15 V power supply referenced to the GROUND signal GROUND DC Power Supplies Ground Prototyping board ground These ground pins are connected together 5V DC Power Supplies 5V Source Output of fixed 5 V power supply referenced to the GROUND signal DO lt 0 7 gt DIO Digital Output Lines 0 through 7 Output of the write bus These channels are used by the NI ELVIS Digital Bus Writer SFP to generate digital data WR ENABLE DIO Write Enable Active low signal that updates when DO lt 0 7 gt are updated LATCH DIO Latch Active low signal that pulses when data is ready on DO lt 0 7 gt GLB RESET DIO Global Reset Active low signal that is used to reset all of the NI ELVIS hardware settings RD ENABLE DIO Read Enable Active low signal that indicates data is being read from DI lt 0 7 gt National Instruments Corporation 3 9 NI ELVIS Hardware User Manual Hardware Overview Chapter 3 Hardware Overview Table 3 1 Signal Descriptions Continued Signal Name Type Description DI lt 0 7 gt DIO Digital Input Lines 0 through 7 Input to read bus These channels are used by the NI ELVIS Traditional Digital Bus Reader SFP to acquire digital data ADDRESS lt 0 3 g
60. lyzer eee 3 15 Three Wire Current Voltage Analyzer see 3 16 Impedance AnalyZerz iere ree cl 3 16 Connecting Digital I O Signals essere 3 16 Connecting Counter Timer Sgenals esee 3 16 Connecting User Configurable Signals eee 3 16 Chapter 4 Calibration Running the NI ELVIS Traditional Calibration Utility eee 4 1 NI ELVIS Hardware User Manual vi ni com Contents Appendix A Specifications Appendix B Protection Board Fuses Appendix C Theory of Operation Appendix D Resource Conflicts Appendix E Supported DAQ Devices Appendix F Using Bypass Communication Mode Appendix G Common Questions Glossary Index Figures Figure 1 1 Typical DAQ System oiia eene eene 1 3 Figure 2 1 Parts Locator Diagram for Desktop NI ELVIS Systems 2 1 Figure 2 2 Parts Locator Diagram for USB NI ELVIS Systems esse ses see sees sees 2 2 Figure 3 1 Control Panel Diagram of the Benchtop Workstation 3 2 Figure 3 2 Back View of NI ELVIS Benchtop Workstation ees see sesse eee 3 5 Figure 3 3 Prototyping Board Parts Locator Diagram eee see se eects ee 3 7 Figure B 1 NI ELVIS Benchtop Workstation with Protection Board Removed B 1 Figure B 2 Parts Locator Diagram for NI ELVIS Protection Board B 3 National Instruments Corpo
61. me type and rating The fuses on NI ELVIS are glass Use care when removing the fuses to prevent injury from broken glass Figure B 2 shows the location of the different fuses and circuit protection circuitry for the NI ELVIS hardware and the location of the resistor packs For Patents ni com paten 500 mA S B 5X20mm CURRENT Nil TO5AL250V AO FRONT PAN o VAR PWR SUPPLY O CURRENT HI OTOTYPING BOARD fe 6 6 9696969969 oH F2 a CURRENT LO o 9 TO FRONT PANEL T 2 Ago VAR PWR SUPPLY Ho lb deen O 1 J FO CURRENT LO EE 6666665 6 od TYPROTOTYPING BO RD zB Hd We 4 MADE NUSA S o lasssessel 55260535 d mama Soe NATIONAL esistor Networks NI ELVIS B i g e PROTECTION BOARD A O 1 Power Supply 5 15 V Current Limiting Circuitry 2 Power Supply 6 15V Current Limiting Circuitry 3 CURREN
62. more detail A Prototyping Board Impedance Analyzer Signal Path gt B C NI ELVIS Motherboard Protection Board Fuses Switch 075 6 Benchtop Workstation Control Panel Al5 oF F Mux o Function Generator Al 13 Oo CURRENT HI Note This CURRENT HI signal routes first to the motherboard and then to the protection board as shown MUX D DAQ Device NI ELVIS Hardware User Manual Figure C 5 CURRENT HI Block Diagram NI ELVIS Motherboard The output of the NI ELVIS hardware function generator is routed internally to the gain of the CURRENT HI pin The gain circuit labeled G in Figure C 5 provides a resistive element labeled R in Figure C 5 to always insure a minimum resistance CURRENT HI is routed to AI 5 for measurements Because the AI 5 voltage is measured after the onboard resistor the onboard resistor is not included in the calculations The output to the NI ELVIS Prototyping Board is controlled by the prototyping board power switch Protection Board The output of the CURRENT HI is fused for overcurrent protection Simple shorts should not blow the fuse C 8 ni com Appendix C Theory of Operation Prototyping Board and Benchtop Workstation Connectors When the NI ELVIS Prototyping Board is powered off the CURRENT HI pin from the prototyping board is disconnected however the NI ELVIS
63. n C 1 R RD_ENABLE signal See also digital I O signal description table 3 9 related documentation 1 6 removing protection board B 1 resistor packs location figure B 3 NI ELVIS components table B 4 resource conflicts table D 1 S safety specifications A 8 SCANCLK signal resistor pack B 4 Scope See oscilloscope SFP instruments NI ELVIS Hardware User Manual ARB 2 4 bode analyzer 2 5 digital bus reader SFP 2 5 digital bus writer 2 5 DMM 2 5 DSA 2 6 FGEN 2 6 impedance analyzer 2 6 instrument launcher 2 4 overview 2 3 resource conflicts table D 2 Scope 2 6 three wire current voltage analyzer 2 7 two wire current voltage analyzer 2 7 variable power supplies 2 7 signal descriptions table 3 8 specifications analog input A 1 bode analyzer A 2 DC power supplies 5 V supply A 3 15 V supply A 2 DMM current measurement A 4 voltage measurement A 5 electromagnetic compatibility A 9 function generator A 6 oscilloscope A 6 safety A 8 variable power supplies negative supply A 7 positive supply A 7 SUPPLY signal See also variable power supplies connecting analog output signals 3 15 signal description table 3 9 SUPPLY signal See also variable power supplies signal description table 3 9 Index 6 ni com SYNC_OUT signal See also function generator connecting analog output signals 3 15 resistor pack B 4 signal description table 3 9 system power LED figure
64. ndix C Theory of Operation NI ELVIS Motherboard When the prototyping board is powered off the CURRENT LO pin from the prototyping board is disconnected You can switch the input path between impedance and current measurements by modifying the LabVIEW VIs that are included in the NI ELVIS Traditional source code You cannot measure impedance and current at the same time The input voltage across the DUT has a programmable gain applied NI ELVIS has four programmable gain ranges that you can select with the NI ELVIS Traditional Impedance Analyzer SFP The input to the op amp is protected from overvoltage and overcurrent conditions This protection should prevent damage to the op amp or the gain stage The output of the op amp is multiplexed to differential channel seven DAQ Device The DAQ device reads the output sine wave on differential channel seven The AI 7 reading is used as the signal reference B for the impedance measurements Internal Calculations NI ELVIS Hardware User Manual The following values are stored in the NI ELVIS EEPROM e Gain System gain error correction gain error correction for NI ELVIS and the DAQ device e Inductance Offset System inductance offset error correction NI ELVIS and the DAQ device e Capacitance Offset System capacitance offset error correction NI ELVIS and the DAQ device e CA Slope Actual calibrated value of each feedback resistor four values The software acqui
65. necting different signals to the Scope terminals on the prototyping board and the Scope connectors on the control panel you are shorting them together potentially damaging the circuit on the prototyping board NI ELVIS Hardware User Manual 3 4 ni com Chapter 3 Hardware Overview NI ELVIS Rear Panel The NI ELVIS rear panel has the following components shown in Figure 3 2 e The workstation power switch Use this switch to completely power off the workstation e An AC DC power supply connection Use this connector to power the workstation e A 68 pin DAQ device connection Use this connector to attach the DAQ device to the workstation 1 Benchtop Workstation Power Switch 3 68 Pin DAQ Device Connector 2 AC DC Power Supply Connector Figure 3 2 Back View of NI ELVIS Benchtop Workstation National Instruments Corporation 3 5 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview NI ELVIS Protection Board NI ELVIS protects the DAQ device installed in the desktop computer by means of a protection board located inside the NI ELVIS Benchtop Workstation This removable protection board provides short circuit protection from unsafe external signals Removing the protection board enables you to quickly replace a nonfunctioning board with a replacement unit You can obtain the components on the protection board from electronics vendors and therefore service the protection board without sending it to NI for re
66. nformation about using the Low Level API to program NI ELVIS Using NI DAQmx with NI ELVIS Traditional Some general AI AO and timing functionality of the DAQ device is available through the NI ELVIS workstation and you can program it using NI DAQmx Refer to NI ELVIS Traditional Help and NI DAQmx Help for more information Using NI ELVIS Traditional in SignalExpress To use an NI ELVIS Traditional instrument within SignalExpress complete the following steps 1 Launch SignalExpress 1 Click the Add Step button 2 IF NI ELVIS Traditional 3 0 or later is installed NI ELVIS Traditional is in the list of steps Expand NI ELVIS Traditional 3 Choose the instrument to add under Analog or Digital Acquire or Generate Signals 4 Click the Configure button to select the DAQ device cabled to the NI ELVIS Benchtop Workstation 5 Set the various controls on the configuration panel appropriately for the measurement 6 Run the SignalExpress project For more information about using NI ELVIS with SignalExpress refer to the NI SignalExpress Workbench Help which you can find through the Help menu in SignalExpress For more information about SignalExpress refer to the Getting Started with SignalExpress Guide NI ELVIS Traditional Calibration Utility The NI ELVIS Traditional 2 0 or later software includes a calibration utility that you can use to recalibrate the NI ELVIS variable power supplies and function generator circuitry
67. nt voltage response of a NPN BJT Table 3 5 NPN Transistor to Prototyping Board Connections NPN Transistor Node Prototyping Board Connections Collector 3 Wire Base Current Hi Emitter Current Low Impedance Analyzer Connect the signal to Current Hi and Current Low when using the NI ELVIS Impedance Analyzer Connecting Digital VO Signals The digital I O signals are TTL compatible Refer to Appendix A Specifications for information about the behavior of the DI and DO signals If you are using Bypass Mode refer to Appendix F Using Bypass Communication Mode for information about using digital I O signals Connecting Counter Timer Signals The prototyping board provides access to the DAQ device counter timer inputs which are also accessible from software These inputs are used for counting TTL signals and for edge detection The CTRO_SOURCE CTRO_GATE CTRO_OUT CTR1_GATE and CTR1_OUT signals are connected to the default Counter 0 and Counter PFI lines on the DAQ device refer to Table 3 2 Refer to the DAQ device documentation for details on using and configuring counter timers Connecting User Configurable Signals NI ELVIS Hardware User Manual The prototyping board provides several different user configurable connectors four banana jacks two BNC connectors and a D SUB connector Each pin of the connector has a connection to the distribution strips of the prototyping board 3 16 ni com
68. ntel to replace ISA and EISA It is achieving widespread acceptance as a standard for PCs and workstations it offers a theoretical maximum transfer rate of 132 Mbytes s A measure of signal amplitude the difference between the highest and lowest excursions of the signal Programmable function input The simplest semiconductor structure It consists of a positive or P region containing positive ions in junction with a negative or N region containing negative electrons Glossary 7 NI ELVIS Hardware User Manual Glossary R RD_ENABLE referenced signal sources resistance rms S S s SCANCLK Scope SFP SYNC_OUT T TIO TRIG trigger TRIGGER TTL NI ELVIS Hardware User Manual Read enable signal DIO output signal that indicates when data is being read from the read bus Signal sources with voltage signals that are referenced to a system ground such as the earth or a building ground Also called grounded signal sources The resistance to the flow of electric current One ohm Q is the resistance through which one volt of electric force causes one ampere to flow Root mean square Seconds Samples Samples per second used to express the rate at which a DAQ device samples an analog signal Scan clock signal Abbreviation for oscilloscope Soft front panel TTL signal of the same frequency of the function generator Timing I O Trigger signal Any event that causes or starts some form
69. nts of NI ELVIS including the DAQ device the benchtop workstation and the prototyping board Appendix C Theory of Operation provides more information about the circuitry used for the different NI ELVIS measurements DAQ Hardware The NI ELVIS workstation is designed to work with National Instruments M Series DAQ devices which are high performance multifunction analog digital and timing I O devices for PCI bus computers Supported functions on DAQ devices include AI AO DIO and timing I O TIO Recommended DAQ Devices NI ELVIS Traditional software version 3 0 and later is recommended for use with the following DAQ devices e NI PCI 6251 M Series DAQ device e NIUSB 6251 Mass Termination M Series DAQ device ei Note Fora complete list of other supported DAQ devices refer to Appendix E Supported DAQ Devices Use one of the following cables to connect the NI ELVIS workstation e PCI M Series DAQ device SHC68 68 EPM SHC68 68 RC68 68 e NI USB 6251 mass termination device H68 68 EP National Instruments Corporation 3 1 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview NI ELVIS Benchtop Workstation UN Caution Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires This section describes the NI ELVIS Benchtop Workstation Refer to Figure 3 1 for the parts locator diagram for
70. o the voltage reading that is displayed in the NI ELVIS Traditional software Internal Calculations The following values are stored in the NI ELVIS EEPROM e Gain Gain error correction for NI ELVIS and the DAQ device e Offset Otffset error correction for NI ELVIS and the DAQ device These values are used when calculating voltage readings from the NI ELVIS To calculate the voltage read on differential channel seven use the following formula VOLTAGE HI VOLTAGE LO Voltage Read 5 The NI ELVIS Traditional software then performs the following calculations Voltage Returned DC Voltage Read Offset x Gain Voltage Returned AC Gain x VA Ce VDC Voltage Returned is displayed in the NI ELVIS Traditional software Current Meter When you use the current meter differential channel seven of the DAQ device AI 7 and AI 15 is used to read the current from NI ELVIS The current read from NI ELVIS is referenced to the NI ELVIS GROUND signal The current is measured across the CURRENT HI and CURRENT LO terminals The current flowing across the shunt is converted to voltage by a difference amplifier National Instruments Corporation C 3 NI ELVIS Hardware User Manual Appendix C Theory of Operation Block Diagram Figure C 2 shows a basic block diagram of the NI ELVIS current meter The paragraphs that follow the figure describe each section of the figure in more detail A Prototyping Board CURRENT
71. of data capture Trigger input signal for the oscilloscope Transistor to transistor logic Glossary 8 ni com VI VOLTAGE Vp p W waveform WR_ENABLE Glossary Volt or volts Virtual instrument a combination of hardware and or software elements typically used with a PC that has the functionality of a classic stand alone instrument Input signals for the DMM voltmeter Peak to peak voltage Multiple voltage readings taken at a specific sampling rate DIO output signal that indicates data is being written to the write bus National Instruments Corporation Glossary 9 NI ELVIS Hardware User Manual Index Symbols 5 V 5 V power supply prototyping board power 3 7 specifications A 3 5V signal See also DC power supplies connecting analog output signals 3 15 signal description table 3 9 fuse figure B 3 15 V 15 V signal See also DC power supplies signal description table 3 9 15 V signal See also DC power supplies connecting analog output signals 3 15 signal description table 3 9 15 V power supply prototyping board power 3 7 specifications A 2 15 V signal connecting analog output signals 3 15 fuses figure B 3 Numerics 3 WIRE signal See also DMM connecting analog input signals 3 14 fuse figure B 3 signal description table 3 8 three wire current voltage analyzer theory of operation C 13 National Instruments Corporation Index 1 A
72. on eese Ripple and noise sesse ee ee ee 15 V Supply Output current esse se see se ke ee ke Output voltage oe sesse se ee ee ee Line regulation ke ee ss Load regulation esses Ripple and noise ssssss 12 or 16 bits DAQ device dependent 1 degree 5 Hz to 35 kHz Self resetting circuitry not to shut down at or below 500 mA 15 V at 45 no load 0 5 max 1 typ 5 max 0 to full load 1 Self resetting circuitry not to shut down at or below 500 mA 15 V at 5 no load 0 5 max 196 typ 596 max O to full load Full load refers to the maximum current output of the power supply Load regulation is linear over 0 to full load therefore at 50 of full load the output drops by 50 of the load regulation specification Total current drawn from 15 V supply and variable power supplies cannot exceed 500 mA NI ELVIS Hardware User Manual A 2 ni com 5 V Supply Output current sese Output voltage esee Line regulation eene Load regulation eonrnonnronrnonrnrvnvnensnenr Ripple and noise es Digital VO Resolution Digital input channels Digital output channels Digital addressing ernrronnnonrnronrnenrnennnnen Digital Input Appendix A Specifications Self rese
73. onal Express VIs NI ELVIS Traditional Express VI c 9 3 009 co 3 9 dhd E ee ee ee ee NI ELVIS Digital Multimeter NI ELVIS Bode NI ELVIS Two NI ELVIS Analyzer Wire Current Oscilloscope Voltage Analyzer Fa VW wc 3 v Wc ed NI ELVIS NI ELVIS Variable Impedance Power Supplies NI ELVIS Analyzer Arbitrary NI ELVIS Three Waveform Wire Current Generator Voltage Analyzer gt um Be gt H t NI ELVIS Digital NI ELVIS Writer Function Generator M NI ELVIS Digital Reader Low Level NI ELVIS Traditional API Before the NI ELVIS Traditional Express VIs were created the API consisted of the NI ELVIS Traditional instrument driver VIs now referred to as the Low Level NI ELVIS Traditional API which enabled you to programming the following components e Digital VO DIO e Digital Multimeter DMM e Function Generator FGEN e Variable Power Supplies VPS e Communication Bypass NI ELVIS Hardware User Manual 2 6 ni com Chapter 2 NI ELVIS Overview The NI ELVIS Traditional Express VIs expose all of the functionality for each instrument and are the recommended method for programming NI ELVIS in LabVIEW The Low Level NI ELVIS Traditional VIs are included to provide backwards compatibility for NI ELVIS Traditional applications written previous to NI ELVIS Traditional 3 0 Refer to the NI ELVIS Traditional Help for more i
74. or output signal FUNC_OUT after the 50 Q resistor for other internal instruments You can disconnect the function generator from the NI ELVIS Prototyping Board with the prototyping board power switch Impedance Analyzer The NI ELVIS Traditional Impedance Analyzer is an SFP instrument that can measure specific device under test DUT impedance characteristics NI ELVIS determines impedance using an AC sine wave source that is produced by the NI ELVIS function generator on the CURRENT HI pin to excite the DUT The resulting sine waves are measured on CURRENT HI and CURRENT LO The NI ELVIS Impedance Analyzer breaks out the phase magnitude resistance and reactance of the DUT Block Diagram Figure C 4 shows a basic block diagram of the NI ELVIS impedance analyzer The diagrams and paragraphs that follow Figure C 4 describe the circuitry for the CURRENT HI and CURRENT LO signals Impedance Analyzer Signal Path gt A B C NI ELVIS Motherboard Prototyping Board DAQ Device gt CURRENT HI AI 5 Function Ly DUT L CURRENT LO Al 7 Generator i b Figure C 4 Impedance Analyzer Block Diagram National Instruments Corporation C 7 NI ELVIS Hardware User Manual Appendix C Theory of Operation CURRENT HI The hardware connection to the CURRENT HI pin is shown in Figure C 5 The paragraphs that follow the figure describe each section of the figure in
75. oration 1 3 NI ELVIS Hardware User Manual Chapter 1 DAQ System Overview The flexibility modular nature and ease of use programming possible with LabVIEW makes it popular in top university laboratories With LabVIEW you can rapidly create applications using intuitive graphical development and add user interfaces for interactive control Scientists and engineers can use the straightforward I O functionality of LabVIEW along with its analysis capabilities You can also use LabVIEW in the classroom to solve purely analytical or numerical problems For more information about programming with LabVIEW refer to Getting Started with LabVIEW and LabVIEW Fundamentals available at ni com manuals The LabVIEW Help is available by selecting Help Search the LabVIEW Help from the LabVIEW block diagram or front panel SignalExpress SignalExpress is an interactive standalone nonprogramming tool for making measurements You can use SignalExpress interactively for the following e Acquiring generating analyzing comparing importing and saving signals e Comparing design data with measurement data in one step e Extending the functionality of SignalExpress by importing a custom VI created in LabVIEW or by converting a SignalExpress project to a LabVIEW program so you can continue development in the LabVIEW environment For more information about SignalExpress refer to Getting Started with SignalExpress available at ni com manuals and th
76. oratories The NI ELVIS Traditional Scope SFP has two channels and provides scaling and position adjustment knobs along with a modifiable timebase You can also choose trigger source and mode settings The autoscale feature allows you to adjust the voltage display scale based on the peak to peak voltage of the AC signal for the best display of the signal Depending on the DAQ device cabled to the NI ELVIS hardware you can choose between digital or analog hardware triggering You can connect to the NI ELVIS Traditional Scope SFP from the NI ELVIS Prototyping Board or from the BNC connectors on the front panel of the benchtop workstation The FGEN or DMM signals can be internally routed to this instrument In addition this computer based scope display has the ability to use cursors for accurate screen measurements The sampling rate of the Oscilloscope is determined by the maximum sampling speed of the DAQ device installed in the computer attached to the NI ELVIS hardware Refer to the DAQ device documentation for information about the type of triggering supported on the device and for the maximum sampling speed specifications of the device 2 6 ni com Chapter 2 NI ELVIS Overview Two Wire and Three Wire Current Voltage Analyzers These instruments allow you to conduct diode and transistor parametric testing and view current voltage curves The two wire instrument offers full flexibility in setting parameters such as voltage and current
77. pairs Refer to Appendix B Protection Board Fuses for more information about replacing the fuses on the NI ELVIS Protection Board NI ELVIS Prototyping Board This section describes the NI ELVIS Prototyping Board and how you can use it to connect circuits to NI ELVIS This section also describes the signals that you can connect to NI ELVIS from the prototyping board and the connectors you can use to do so AN Caution Ensure the power to the prototyping board power switch is off before inserting the prototyping board into the NI ELVIS Benchtop Workstation You can use the prototyping board connector to install custom prototype boards you develop This connector is mechanically the same as a standard PCI connector The prototyping board exposes all the signal terminals of the NI ELVIS for use through the distribution strips on either side of the breadboard area Each signal has a row and the rows are grouped by function Refer to Figure 3 3 for the parts locator diagram for the prototyping board yl Note NI recommends using 22 AWG single connector wire for circuits built on the prototyping board NI ELVIS Hardware User Manual 3 6 ni com Chapter 3 Hardware Overview D NATIONAL
78. product label or the Online Product Certification section NI ELVIS Hardware User Manual A 8 ni com Appendix A Specifications Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use e EN 61326 IEC 61326 Class A emissions Basic immunity e EN 55011 CISPR 11 Group 1 Class A emissions e AS NZS CISPR 11 Group 1 Class A emissions e FCC 47 CFR Part 15B Class A emissions e ICES 001 Class A emissions 3 Note For the standards applied to assess the EMC of this product refer to the Online Product Certification section EI Note For EMC compliance operate this product according to the documentation CE Compliance C This product meets the essential requirements of applicable European Directives as follows e 2006 95 EC Low Voltage Directive safety e 2004 108 EC Electromagnetic Compatibility Directive EMC Online Product Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column Environmental Management NI is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous subst
79. put voltage is multiplexed to differential channel seven DAQ Device The DAQ device takes the reading on differential channel seven and converts the voltage reading into the current that is displayed in the NI ELVIS Traditional software Internal Calculations The following values are stored in the NI ELVIS EEPROM e Gain Shunt resistor value gain error correction for NI ELVIS and the DAQ device are included e Offset System offset error correction includes NI ELVIS and DAQ device offset The voltage returned can represent AC or DC current The offset variable should remove most offset caused by NI ELVIS and or the DAQ device VDC DC measurement of the voltage on differential channel seven VAC AC measurement of the voltage on differential channel seven Current AC Gainx J VAC VDC Current DC VDC Offset x Gain Current AC or Current DC is displayed in the NI ELVIS Traditional software National Instruments Corporation C 5 NI ELVIS Hardware User Manual Appendix C Theory of Operation Function Generator Block Diagram NI ELVIS includes a hardware function generator The function generator can generate sine triangle and square waves You can modulate the output amplitude and frequency manually with software or using a combination of both Figure C 3 shows a basic block diagram of the NI ELVIS function generator The paragraphs that follow the figure describe each section of the figure in mo
80. r calibration utility 2 9 connecting signals 3 15 hardware controls description 3 3 controls location figure 3 2 overview 2 6 resource conflicts table D 2 signal descriptions table 3 9 specifications A 6 theory of operation C 6 fuses debugging the protection board B 2 location figure B 3 G GLB RESET signal See also digital I O signal description table 3 9 GROUND signal See also DC power supplies variable power supplies connecting analog output signals 3 15 signal description table 3 9 H hardware connecting signals 3 11 DAQ definition 1 2 overview 1 3 fuses B 1 B 3 installation documentation 1 1 NI ELVIS components benchtop workstation 3 2 DAQ device 3 1 overview figure 2 1 2 2 protection board 3 6 ni com prototyping board 3 6 resource conflicts table D 2 specifications A 1 theory of operation C 1 I O connectors I O connector descriptions 3 16 location figure 3 7 signal descriptions table 3 8 impedance analyzer resource conflicts table D 2 SFP overview 2 6 theory of operation C 7 installation documentation location 1 1 instrument launcher 2 4 instrumentation virtual 1 1 L LabVIEW NI ELVIS Traditional software instruments 2 3 overview 1 3 virtual instrumentation 1 1 LATCH signal See also digital I O signal description table 3 9 launcher instrument 2 4 LED lt 0 7 gt signals connecting user configurable I O signals
81. raditional Calibration Utility eee 2 9 National Instruments Corporation V NI ELVIS Hardware User Manual Contents NI ELVIS in Academic Disciplines esse sesse see ese se see se ee ee Ge ke ee ee ee ee ee ee ee 2 10 NIELVIS in Engineering sissies Eege rea 2 10 NI ELVIS in Biological Sciences esse esse see ese ese ee ee ee ee Se ee Se Re ee ee 2 10 NI ELVIS in Physical Sciences 5 itte iere ph tte cite 2 11 Chapter 3 Hardware Overview BIN AMP EER AE ER Dt e e ee a it hd 3 1 Recommended DAQ Devices ees AR enne enne 3 1 NI ELVIS Benchtop Workstation eene rennen eene 3 2 NEELVIS Rear Panel 3 bietet e e e eps 3 5 NEEEVIS Protection Board m erret oerte ep 3 6 NI ELVIS Prototyping Board 3 6 Prototyping Board Dower AA 3 7 Prototyping Board Signal Description eee sek se ee Se ee Se ee ee 3 8 PEL Signal Descriptions ss deg uereg etr etos 3 11 Connecting signals aede ipea pee eg 3 11 Grounding Considerations eene 3 12 Connecting Analog Input Signals eese 3 12 Generic Analog Input etel eme 3 12 Resource Conthicts as ached viii Set ded eniin 3 13 IER 3 14 Oscill scope 3 eu RU S we eee 3 14 Connecting Analog Output Stenals esee 3 14 Generic Analog Out 3 14 DE Power Supplies ace i ie e d hey Pre YE ele 3 15 Function Generator PORN 3 15 Variable Power Supplies serene 3 15 Bode Analyzer de ROG ded teen 3 15 Two Wire Current Voltage Ana
82. ranges and can save data to a file In addition the three wire instrument offers base current settings for measurements of NPN transistors Refer to NJ ELVIS Traditional Help for connection details Both instruments have cursors for more accurate onscreen measurements Variable Power Supplies You can control the output of the positive or negative variable power supply with these SFP instruments The negative power supply can output between 12 and 0 V and the positive power supply can output between 0 and 12 V Using NI ELVIS Traditional with LabVIEW This section provides an overview of using NI ELVIS with LabVIEW LabVIEW Express Vis When using NI ELVIS Traditional 3 0 or later many of the NI ELVIS Traditional instruments have an associated LabVIEW Express VI The Express VIs are the recommended method for programming NI ELVIS in LabVIEW Express VIs allow you to interactively configure the settings for each instrument This enables you to develop LabVIEW applications without extensive programming expertise To access the NI ELVIS Traditional Express VIs open a LabVIEW block diagram and select Instrument I O Instrument Drivers NI ELVIS Traditional from the function palette National Instruments Corporation 2 7 NI ELVIS Hardware User Manual Chapter 2 NI ELVIS Overview Table 2 1 shows the available NI ELVIS Traditional Express VIs Refer to the NI ELVIS Traditional Help for more information Table 2 1 NI ELVIS Traditi
83. ration vii NI ELVIS Hardware User Manual Contents Figure C 1 NI ELVIS Voltmeter Block Diagram ee C 2 Figure C 2 NI ELVIS Current Meter Block Diagram esse esse ese esse see see ese ee ee ee CA Figure C 3 Function Generator Block Diagram eee C 6 Figure C 4 Impedance Analyzer Block Diagram eee ee see C 7 Figure C 5 CURRENT HI Block Diagram eene C 8 Figure C 6 CURRENT LO Block Diagram eene C 9 Figure C 7 Two Wire Measurement Block Diagram eee C 12 Figure C 8 Three Wire Measurement Block Diagram ee see C 14 Figure C 9 Analog Output Block Diagram eee C 15 Figure D 1 Possible Resource Contes D 2 Figure F 1 NI ELVIS Traditional Enable Communications Bypass VI F 2 Tables Table 2 1 NI ELVIS Traditional Express NI 2 8 Table 3 1 Signal Descriptions eet emi ER P tegi 3 8 Table 3 2 M Series DAQ Device Routing iese se sesse se se ee ee ee ee ke 3 10 Table 3 3 Analog Input Signal Mapping 0 0 eee eee eee 3 12 Table 3 4 AI Channel Resource Conflicts essere 3 13 Table 3 5 NPN Transistor to Prototyping Board Connections 3 16 Table B 1 Resistor Packs and NI ELVIS Components eese B 4 Table E 1 E B Series DAQ Device Routing eene E 3 NI ELVIS Hardware User Manual viii ni com DAQ Sys
84. re detail Function Generator Signal Path lt A B C Prototyping Protection NI ELVIS Motherboard Board Board Fuse Switch FM Amplitude XR2206 o r TG H O6 500 Gain MUX AM Ee i i Wave Select FUNC OUT op 07 HESS NI ELVIS Hardware User Manual Figure C 3 Function Generator Block Diagram Prototyping Board and Benchtop Workstation Connectors The function generator output signal FUNC OUT is only on the prototyping board Protection Board On the protection board the function generator passes through a 100 Q current fused resistor NI ELVIS Motherboard NI ELVIS uses a monolithic function generator integrated circuit IC to generate waveforms This IC accepts frequency and amplitude modulation You can adjust the output amplitude C 6 ni com Appendix C Theory of Operation of the XR 2206 with an internal 8 bit MDAC or manually with a knob on the NI ELVIS Benchtop Workstation control panel The coarse frequency is set by using one of four frequency selection capacitors The fine frequency is adjusted by the adjusting the onboard 8 bit DAC The adjusted output signal is multiplexed into a unity gain circuit The output of the gain circuit runs through a 50 Q resistor NI ELVIS uses the function generat
85. rement or to improve accuracy or reduce noise The most common types of signal conditioning include amplification excitation linearization isolation and filtering DAQ hardware Hardware used to acquire measure and analyze data Software NI application software is designed to help you easily design and program measurement and control applications 1 2 ni com Chapter 1 DAQ System Overview Figure 1 1 shows the components of a typical DAQ system Data Acquisition and Analysis Hardware Software Personal Computer Figure 1 1 Typical DAQ System DAQ Hardware The DAQ Hardware section of Chapter 3 Hardware Overview describes in greater detail the DAQ device used as part of the NI ELVIS Refer to the DAQ device documentation available at ni com manuals for specific information about the functionality and operation of the device DAQ Software The following sections describe the LabVIEW and SignalExpress software you can use with NI EL VIS LabVIEW LabVIEW is a graphical programming language frequently used for creating test measurement and automation applications LabVIEW uses icons instead of lines of text to create applications Unlike text based programming languages LabVIEW uses dataflow programming where the flow of data determines execution A virtual instrument VI is a LabVIEW program that models the appearance and function of a physical instrument National Instruments Corp
86. res two waveforms from differential channel seven the signal and AI 5 the reference channel and applies the following formula Referenced Amplitude Gain Amplitude SEH Signal Amplitude C 10 ni com Appendix C Theory of Operation Gain Amplitude is combined with the feedback resistor used on the NI ELVIS to determine the impedance CA Slope is calibrated at the factory to determine the actual impedance for the feedback resistor CA Slope Impedance Z S 2 Gain Amplitude Z is combined with the phase to determine the resistive and reactive components of the DUT The phase difference of the acquired sine waves is measured in reference to AI 5 T R sg Ph a eactance X COS ase X 180 React Zxsi Ph x eactance sine ase 180 1 Susceptance Reactance to determine the inductive or capacitive elements of the DUT Reactance and Susceptance The magnitude of the phase determines which element is present The frequency is the frequency you set Inductance Ke Inductance Offset 2x1 x Frequency Susceptance 2 xn x Frequency Capacitance Capacitance Offset Each inductance and capacitance reading includes the offset variable stored in the EEPROM to help eliminate offset errors Resistance Meter The resistance meter is a subset of the NI ELVIS Traditional Impedance Analyzer and it uses the same circuitry To get more accurate readings the function generator output frequency is set to
87. sides the function generator output signal FUNC_OUT The SYNC_OUT signal outputs a TTL compatible clock signal of the same frequency as the output waveform The AM_IN and FM_IN signals control the amplitude modulation AM and the frequency modulation FM respectively Leave FM_IN and AM_IN disconnected if you do not want to apply modulation to the FGEN signal These signals are in addition to the fine frequency and amplitude controls on the benchtop workstation Software AM is controlled by DACO and software FM is controlled by DAC1 Variable Power Supplies The variable power supplies provide adjustable output voltages from 0 to 12 V on the SUPPLY terminal and 12 to 0 V on the SUPPLY terminal The GROUND pin provides a connection to the same ground of the DC power supplies Bode Analyzer The NI ELVIS Bode Analyzer uses the Function Generator to output 3 stimulus and then uses analog input channels ACH 0 and ACH 1 to measure the stimulus and response On the prototyping board connect FUNC OUT to the input of the circuit and ACH 1 Connect the output to ACH 0 Two Wire Current Voltage Analyzer Connect the signal to Current Hi and Current Low when using the Two Wire Current Voltage Analyzer National Instruments Corporation 3 15 NI ELVIS Hardware User Manual Chapter 3 Hardware Overview Three Wire Current Voltage Analyzer The Three Wire Current Voltage Analyzer uses Current Hi Current Low and 3 wire to plot the curre
88. support using multiple NI ELVIS workstations on the same computer Where can I find additional NI ELVIS resources for professors or students There are a number of resources for professors and students using NI ELVIS available at ni com academic National Instruments Corporation G 1 NI ELVIS Hardware User Manual Appendix G Common Questions Can I use the digital I O lines on the second connector of a M Series DAQ device without interfering with NI ELVIS If you use an M Series DAQ device with additional DIO functionality on the second connector with NI ELVIS only port 0 of the DAQ device is reserved for NI ELVIS You can use the rest of the ports without a problem NI ELVIS Hardware User Manual G 2 ni com Glossary Symbol Prefix Value p pico 10 12 n nano 10 9 u micro 10 6 m milli 10 3 k kilo 103 M mega 106 Symbols Percent Negative of or minus Positive of or plus Per R Degree Q Ohm Plus or minus d Square root A AC ACH ADDRESS Amperes Alternating current Analog input channel signal The DIO output signals of the address bus National Instruments Corporation Glossary 1 NI ELVIS Hardware User Manual Glossary Al AI GND AI SENSE AM AM IN amplification amplitude AO ARB block diagram BNC bode plot bus NI ELVIS Hardware User Manual Analog input Analog input ground signal Analog input s
89. switch Normal Mode When the communications switch on the NI ELVIS workstation is set to Normal the digital I O lines of the DAQ device are used for communicating to the NI ELVIS workstations and controlling its instruments from software All NI ELVIS Traditional software functionality is available when the communications switch is set to Normal In Normal mode the DI and DO digital ports are accessed using the NI ELVIS DIO functions National Instruments Corporation F 1 NI ELVIS Hardware User Manual Appendix F Using Bypass Communication Mode Bypass Mode NI ELVIS Hardware User Manual When the NI ELVIS workstation is set to Bypass mode the eight digital I O lines on Port 0 of the DAQ device are routed directly to DI lt 0 7 gt on the NI ELVIS prototyping board In order to enable Bypass Mode you must first set the communications switch on the NI ELVIS workstation to Bypass and then execute the NI ELVIS Traditional Enable Communications Bypass VI from LabVIEW Figure F 1 shows the VI NI ELVIS Traditional Enable Communications Bypass vi Figure F 1 NI ELVIS Traditional Enable Communications Bypass VI To access the DAQ device Digital I O lines after enabling Bypass mode you must use the NI DAQmx Digital I O functions Information about using these functions is available in the NI DA Qmx Help When the communications switch is set to Bypass mode communication to the NI ELVIS workstation is d
90. t DIO Address Lines 0 through 3 Output of address bus LED lt 0 7 gt DSUB SHIELD User Configurable I O User Configurable I O LEDs 0 through 7 Input to the LEDs D SUB Shield Connection to D SUB shield DSUB PIN lt 1 9 gt User Configurable I O D SUB Pins 1 through 9 Connection to D SUB pins 5 V DC Power Supply 5V Source Output of fixed 5 V power supply referenced to the GROUND signal GROUND DC Power Supply Ground Prototyping board ground These ground pins are connected together The NI ELVIS prototype board includes signals that route directly to the M Series DAQ device Table 3 2 describes these signals Table 3 2 M Series DAQ Device Routing Signal Name on M Series Prototype Board Direction Signal Name Description PFI 1 Input PFI 1 P1 1 PFI Input or Static Digital Input PFI 2 Input PFI 2 P1 2 PFI Input or Static Digital Input PFI 5 Input PFI 5 P1 5 PFI Input or Static Digital Input PFI 6 Input PFI 6 P1 6 PFI Input or Static Digital Input PFI 7 Input PFI 7 P1 7 PFI Input or Static Digital Input SCANCLK Output PFI 11 P2 3 PFI Output or Static Digital Output RESERVED Output PFI 10 P2 2 PFI Output or Static Digital Output CTRO_SOURCE Input PFI 8 P2 0 PFI Input or Static Digital Input Defaults to CTR 0 SRC in NI DAQmx CTRO_GATE Input PFI 9 P2 1 PFI Input or Static Digital Input Defaults to CTR 0 GATE in NI DAQm
91. tal I O A specialized electronic component with two electrodes called the anode and the cathode Digital multimeter Digital I O output signals from the DO bus Canadian Department of Communications Dynamic signal analyzer Device under test Electrocardiogram Electrically erasable programmable read only memory ROM that can be erased with an electrical signal and reprogrammed Educational Laboratory Virtual Instrumentation Suite Electromechanical compliance Electromagnetic interference External strobe signal Federal Communications Commission Function generator Glossary 4 ni com floating signal sources FM_IN FREQ OUT frequency front panel FUNC OUT G gain GPCTRO GATE GPCTRO OUT GPCTRO SOURCE GPCTRI GATE GPCTRI OUT GPCTR1 SOURCE GROUND National Instruments Corporation Glossary Signal sources with voltage signals that are not connected to an absolute reference or system ground Also called nonreferenced signal sources Some common example of floating signal sources are batteries transformers or thermocouples Frequency modulation input signal Frequency output signal The basic unit of rate measured in events or oscillations per second using a frequency counter or spectrum analyzer Frequency is the reciprocal of the period of a signal The user interface of a LabVIEW virtual instrument Output signal for the function generator The factor by which a signal
92. tation system without purchasing additional hardware or software virtual instrumentation is an economical choice Finally measurement systems must be scalable to meet future expansion needs The modular nature of virtual instrumentation makes it easy for you to add new functionality NI ELVIS uses LabVIEW based software and NI data acquisition hardware to create a virtual instrumentation system that provides the functionality of a suite of instruments National Instruments Corporation 1 1 NI ELVIS Hardware User Manual Chapter 1 DAQ System Overview What is DAQ NI ELVIS Hardware User Manual DAQ systems capture measure and analyze physical phenomena from the real world Light temperature pressure and torque are examples of the different types of signals that a DAQ system can measure Data acquisition is the process of collecting and measuring electrical signals from transducers and test probes or fixtures and sending them to a computer for processing Data acquisition can also include the output of analog or digital control signals The building blocks of a DAQ system include the following items Transducer A device that converts a physical phenomenon such as light temperature pressure or sound into a measurable electrical signal such as voltage or current Signal The output of the DAQ system transducer Signal conditioning Hardware that you can connect to the DAQ device to make the signal suitable for measu
93. ted to milliamps and displayed Three Wire Current Voltage Analyzer The three wire measurement is made by using the DAQ device AO 0 and AO 1 to generate output voltages that you control The voltage is read before going into the DUT on AI 5 and AI 6 and then across the DUT on AI 7 The NI ELVIS Traditional Impedance Analyzer circuitry provides the feedback resistor that transforms the current flowing into the CURRENT LO pin into a voltage The CURRENT HI pin is the output current source for the DUT on the prototyping board This current is measured and converted to voltage by a 332 Q resistor on NI ELVIS The 3 WIRE pin is measured on AI 6 and is the source voltage that is swept National Instruments Corporation C 13 NI ELVIS Hardware User Manual Appendix C Theory of Operation DAC1 Three Wire Current Voltage Analyzer Signal Path gt A B C NI ELVIS Motherboard Prototyping Board DAQ Device gt 3 WIRE AI 6 DACO Pus L CURRENT LO O AI 7 E E eee HI o AI 5 Figure C 8 Three Wire Measurement Block Diagram Internal Calculations NI ELVIS Hardware User Manual The following values are stored in the NI ELVIS EEPROM CA SLOPE Actual value of each feedback resistor four values The voltage generated on the 3 WIRE pin is from the DAQ device AO 1 This voltage is read on AI 6 internal to NI ELVIS This voltage is displayed as the Voltage Vc in th
94. ted to the signals as shown oAI 15 Common Mode Rejection Adjustment 7 NA NI ELVIS Hardware User Manual Figure C 1 NI ELVIS Voltmeter Block Diagram Prototyping Board and Benchtop Workstation Connectors The input to the NI ELVIS voltmeter circuit can come from the NI ELVIS Prototyping Board or from the connectors on the NI ELVIS Benchtop Workstation control panel When the prototyping board is powered off both connections remain active Protection Board The inputs to the voltmeter are not externally protected on the NI ELVIS Protection Board The two inputs are combined on the protection board and passed to the NI ELVIS motherboard NI ELVIS Motherboard The VOLTAGE HI and VOLTAGE LO input terminals are divided with 511 kQ input resistors A manual adjustment is made at the factory for common mode rejection The adjusted common mode rejection is typically above 80 dB C 2 ni com Appendix C Theory of Operation The operational amplifier used by NI ELVIS is a fully differential JFET input with a gain of 0 5 The input slew rate is typically 11 V us This high slew rate helps minimize AC signal distortion The internal NI ELVIS bus sets the differential channel seven multiplexer to read the voltmeter voltage You cannot run the voltmeter with any other DMM functions DAQ Device The DAQ device takes the voltage reading on differential channel seven and converts the raw voltage int
95. tem Overview The NI ELVIS Hardware User Manual contains information that you need to understand and program the National Instruments Educational Laboratory Virtual Instrumentation Suite NI ELVIS architecture and instruments It also discusses the concept of virtual instrumentation and the components of an NI data acquisition DAQ system This chapter briefly describes the concept of DAQ systems and introduces NI ELVIS a DAQ system designed for educational laboratories yl Note Refer to the Where to Start with NI ELVIS document for information about how to set up the components of the NI ELVIS What is Virtual Instrumentation Virtual instrumentation is defined as the combination of measurement and control hardware and application software with industry standard computer technology to create user defined instrumentation systems Virtual instrumentation provides an ideal platform for developing instructional curriculum and conducting scientific research In an instructional laboratory course students perform various experiments that combine measurements automation and control Tools or systems used in these situations must be flexible and adaptable In research environments virtual instrumentation provides the flexibility that a researcher must have to modify the system to meet unpredictable needs Research and instructional efforts also require that their systems be economical Because you can reuse components in a virtual instrumen
96. the connection to the NI ELVIS workstation National Instruments Corporation E 1 NI ELVIS Hardware User Manual Appendix E Supported DAQ Devices Supported Using E B Series DAQ Devices NI ELVIS supports the following E B Series DAQ devices in addition to M Series DAQ devices e NI6014 e NI6024E e NI6036E e NI 6040E PCI MIO 16E 4 e NI 6052E e NI 6070E PCI MIO 16E 1 The Arbitrary Waveform Generator functionality of NI ELVIS is not available with the NI 6014 NI 6024E or NI 6036E yl Note NI ELVIS supports all E Series devices that meet the criteria listed in the introduction to this appendix Use one of the following cables to connect the E B Series DAO device to the NI ELVIS workstation SH68 68 EP e R6868 NI ELVIS Hardware User Manual E 2 ni com Appendix E Supported DAQ Devices Table E 1 describes signals on the NI ELVIS prototype board that route directly to the E B Series DAQ device When using the NI ELVIS with an E B Series DAQ device refer to Table E 1 Table E 1 E B Series DAQ Device Routing Signal Name on Prototype Board Direction E B Series Signal Name Description PFI 1 Input PFI I Refer to the E Series User Manual for signal PFI 2 Input PFI 2 EES escriptions PFI 5 Input PFI 5 PFI 6 Input PFI 6 PFI 7 Input PFI 7 SCANCLK Output SCANCLK RESERVED Output EXT STROBE CTRO_SOURCE Input CTR 0 SRC CTRO_GATE Input CTR
97. tting circuitry not to shut down at or below 2 A 5 V at 45 no load 0 50 max 22 typ 30 max 0 to full load 1 8 bits 8 bits 4 bits 1 0 HA max 2 0 V min 0 8 V max 3 38 V min at 6 mA 4 4 V min at 20 HA 0 86 V max at 6 mA 0 1 V max at 20 LA Full load refers to the maximum current output of the power supply Load regulation is linear over 0 to full load therefore at 50 of full load the output drops by 50 of the load regulation specification National Instruments Corporation A 3 NI ELVIS Hardware User Manual Appendix A Specifications DMM Capacitance Measurement IACCUFTACy see tre t ae EE 196 Range ent DR 50 pF to 500 uF in three ranges Test frequency sesse nnne 120 or 950 Hz software selectable Max test frequency voltage 1 V sine wave software selectable Continuity Measurement Resistance threshold 15 Q max software selectable Test Voltage ees ea quet 3 89 V software selectable Current Measurement Accuracy Plo 0 25 3 mA KEE 0 25 3 mA Common mode voltage 20 V max Common mode rejection 70 dB min R ang6e ttp 250 mA in two ranges max R sol tiorisJ zeen ER ER ER ei 12 or 16 bits DAQ device dependent Shunt resistance sesse see eee ke ee ke ee 0 59 Voltage burden 0 0 see se ke ee 2 mV mA Diode Measurement Voltage threshold
98. types of signal sources input modes grounding configurations and floating signal sources Generic Analog Input The NI ELVIS Prototyping Board has six differential AI channels available ACH lt 0 5 gt These inputs are directly connected to the DAQ device input channels The NI ELVIS prototyping board also exposes two ground reference pins AI SENSE and AI GND which are connected to the M Series DAQ device Table 3 3 shows how the NI ELVIS input channels map to the DAQ device input channels Table 3 3 Analog Input Signal Mapping NI ELVIS Input Channel DAQ Device Input Channel ACHO AIO ACHO0 AIS ACH1 All ACHI AI9 ACH2 AI2 ACH2 AI 10 ACH3 AI 3 ACH3 AT 11 ACH4 AI 4 NI ELVIS Hardware User Manual 3 12 ni com Chapter 3 Hardware Overview Table 3 3 Analog Input Signal Mapping Continued NI ELVIS Input Channel DAQ Device Input Channel ACH4 AI 12 ACH5 AI5 ACH5 AI 13 AISENSE AI SENSE AIGND AI GND The following sections describe some special considerations for connecting the AI signals on the prototyping board including sections that specifically pertain to the Oscilloscope and DMM Resource Conflicts Some of the AI channels are used by the internal circuitry for other instruments but the majority of the time you can still use the channel You can use ACH lt 0 2 gt without interruption ACHS is interrupted if any of the impedance an
99. ve input for the DMM voltmeter VOLTAGE LO DMM Negative Voltage Negative input for the DMM voltmeter DAC lt 0 1 gt Analog Outputs Analog Output Channels 0 and 1 For more information about the DAQ device analog output signals refer to the M Series User Manual and Appendix C Theory of Operation NI ELVIS Hardware User Manual 3 8 ni com Chapter 3 Table 3 1 Signal Descriptions Continued Signal Name Type Description FUNC_OUT Function Generator Function Output Output of the function generator SYNC_OUT Function Generator Synchronization Output TTL signal of the same frequency as the signal on the FUNC_OUT pin AM_IN Function Generator Amplitude Modulation Input Input to the amplitude modulator for the function generator FM IN Function Generator Frequency Modulation Input Input to the frequency modulator for the function generator BANANA A D User Configurable I O Banana Jacks A through D Connects to the banana jacks pins BNC 1 224 User Configurable I O BNC Connectors 1 and 2 4 Connects to the BNC pins BNC lt 1 2 gt User Configurable I O BNC Connectors 1 and 2 Connects to the BNC pins SUPPLY Variable Power Supplies Positive Output of 0 to 12 V variable power supply GROUND Variable Power Supplies Ground Prototyping board ground These ground pins are connected together SUPPLY Variable Power Supp
100. x CTRO_OUTPUT Output PFI 12 P2 4 PFI Output or Static Digital Output Defaults to CTR 0 OUT in NI DAQmx NI ELVIS Hardware User Manual 3 10 ni com Chapter 3 Hardware Overview Table 3 2 M Series DAQ Device Routing Continued Signal Name on M Series Prototype Board Direction Signal Name Description CTR1_SOURCE Input PFI 3 P1 3 PFI Input or Static Digital Input Defaults to CTR 1 SRC in NI DAQmx CTR1 GATE Input PFI 4 P1 4 PFI Input or Static Digital Input Defaults to CTR 1 GATE in NI DAQmx CTR1 OUTPUT Output PFI 13 P2 5 PFI Output or Static Digital Output Defaults to CTR 1 OUT in NI DAQmx FREQ OUT Output PFI 14 P2 6 PFI Output or Static Digital Output On M Series DAQ devices you can configure all of these signals as inputs or output however when used with the NI ELVIS workstation these signals are fixed direction either input or output Refer to the PFI Signal Descriptions section and the M Series User Manual for more complete descriptions of these signals EI Note Refer to Appendix E Supported DAQ Devices for E Series DAQ device signal descriptions PFI Signal Descriptions PFI Input or Static Digital Input As a PFI input you can use these signals to supply an external source for AI AO DI and DO timing signals or counter timer inputs You can also use these signals as static digital inputs port 1 or port 2 PFI Output or Static Digital Output As a PFI output you can

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