NI Educational Laboratory Virtual Instrumentation Suite II (NI ELVIS
Contents
1. rijo Q ii i ODES To 1 NI ELVIS II Series Prototyping Board 6 Prototyping Board Mounting Screw Holes 2 DMM Fuse 7 Prototyping Board Connector 3 DMM Connectors 8 Prototyping Board Power Switch 4 Oscilloscope Connectors 9 Status LEDs 5 Function Generator Output Digital Trigger Input 10 Variable Power Supplies Manual Controls Connector 11 Function Generator Manual Controls Figure 2 2 Top View of NI ELVIS II Benchtop Workstation with Prototyping Board NI ELVIS II User Manual 2 2 ni com Chapter 2 NI ELVIS II Hardware The benchtop workstation has the following controls and indicators e USB LEDs Ready lIndicates that the NI ELVIS II hardware is properly configured and ready to communicate with the host computer Active Indicates activity on the USB connection to the host computer Table 2 1 Benchtop Workstation USB LED Patterns ACTIVE LED READY LED Description Off Main power is off Yellow Off No connection to the host computer is detected Make sure NI DAQmx driver software is loaded and the USB cable is connected Off Green Connected to a full speed USB host Off Yellow Connected to a high speed USB host Green Green or Yellow Communicati2. 2008 National Instruments Corporation All rights reserved Important Information Warranty The NI ELVIS II 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 accuracy In t
3. Counter 0 Out PFI3 Programmable Function Static Digital I O line P1 3 CTR1_SOURCE Interface PFI3 Default function Counter 1 Source PFI4 Programmable Function Static Digital I O line P1 4 CTR1_GATE Interface PFI4 Default function Counter 1 Gate PFI13 Programmable Function Static Digital I O line P2 5 CTR1_OUT Interface PFI13 Default function Counter 1 Out PFI14 Programmable Function Static Digital I O line P2 6 FREQ_OUT Interface PFI14 Default function Frequency Output LED lt 0 7 gt User Configurable I O LEDs 0 through 7 Apply 5 V for 10 mA device DSUB SHIELD User Configurable I O Connection to D SUB shield DSUB PIN lt 1 9 gt User Configurable I O Connections to D SUB pins 5 V DC Power Supply 5V Fixed Power Supply GROUND DC Power Supply Ground Connecting Signals A Caution Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires NI ELVIS II User Manual 2 10 ni com Analog Input Chapter 2 NI ELVIS II Hardware The NI ELVIS II Series Prototyping Board has eight differential AI channels available ACH lt 0 7 gt You can configure these inputs in referenced single ended RSE or non referenced single ended NRSE modes In RSE mode each signal is referenced to AIGND In NRSE mode each signal is referenced
4. Help menu in SignalExpress For more information about SignalExpress refer to the Getting Started with SignalExpress Guide NI ELVIS II User Manual 3 6 ni com 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 self calibrate the NI ELVIS IL You can self calibrate the NI ELVIS II by right clicking the device in MAX and choosing the self calibration option ei Note Disconnect all protoyping board signals or remove the prototyping board before running self calibration National Instruments Corporation 4 1 NI ELVIS I User Manual
5. CN 2 ES e OOOO A ddd eo OOOO VH g e oooo Ge 1 NI14 mm td 1 Connectors for Voltage Resistance Diode Continuity 2 Connectors for Current 3 Connectors for Capacitance Inductance Figure 2 6 Connections for DMM Measurements National Instruments Corporation 2 13 NI ELVIS H User Manual Chapter 2 NI ELVIS H Hardware Oscilloscope Analog Output Capacitance and Inductance The capacitance and inductance measurements of the DMM use the nonisolated Impedance Analyzer terminals DUT and DUT on the prototyping board Refer to Figure 2 6 The two oscilloscope channels are available at BNC connectors on the side of the benchtop workstation These channels have 1 MQ input impedance and can be used with 1X 10X attenuated probes You can also use high impedance Analog Input channels lt AI 0 7 gt available on the prototyping board NI ELVIS II provides access to the two analog outputs at the AOO and AOI terminals These channels are used for arbitrary waveform generation AOO is also used internally for BASE excitation in the 3 Wire Voltage Current Analyzer Search for NI ELVIS II Theory of Operation at zone ni com for more details Function Generator FGEN Power Supplies Digital 1 0 NI ELVIS II User Manual The function generator output can be routed to either the FGEN TRIG BNC connector or the FGEN terminal on the prototyping board A 5 V digital
6. Current Digital Reader Waveform Voltage Analyzer Generator ei ms ms NI ELYISmx NI ELYISmx NI ELYISmx NI ELYISmx Digital Writer Digital Multimeter Function Impedance Generator Analyzer ms ma NI ELYISMx NI ELVISmx NI ELYISMx 9 Oscilloscope Three Wire Variable Power Current Voltage Supplies Analyzer National Instruments Corporation 3 5 NI ELVIS I User Manual Chapter 3 NI ELVISmx Software Using NI DAQmx with NI ELVIS II NI ELVIS II is supported by NI DAQmx and therefore you can program it using the NI DAQmx API Furthermore some general AI AO and timing functionality of the device is available through the NI ELVIS II workstation and you can program it using NI DAQmx Refer to NI ELVISmx Help and NI DAQmx Help for more information Using NI ELVIS Il in SignalExpress To use an NI ELVIS II instrument within SignalExpress complete the following steps 1 Launch SignalExpress 1 Click the Add Step button 2 IfNI ELVISmx is installed NI ELVISmx is in the list of steps Expand NI ELVISmx 3 Choose the instrument to add under Analog or Digital Acquire or Generate Signals 4 Select the NI ELVIS II device from Device control 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 II with SignalExpress refer to the NI SignalExpress Workbench Help which you can find through the
7. signal is available at the SYNC terminal The AM and FM terminals provide analog inputs for the amplitude and frequency modulation of the function generator output The DC power supplies provide fixed output of 15 V 15 V and 5 V The variable power supplies provide adjustable output voltages from 0 to 12 V on the SUPPLY terminal and 0 to 12 V on the SUPPLY terminal All power supplies on NI ELVIS II are referenced to GROUND The digital lines exposed on the prototyping board are internally connected to port 0 of the device You can configure them as input or output 2 14 ni com Chapter 2 NI ELVIS II Hardware Programmable Function Interface PFI The PFI lines are TTL compatible I O that can route timing signals to and from the AI AO or counter timer engines They can also be configured as static digital I O User Configurable 1 0 The prototyping board provides several 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 Eight bicolor green yellow LEDs are provided for general digital output on the prototyping board The green anode of each LED is connected to the distribution strip through a 220 Q resistor and each cathode is connected to ground Drive the line with 5 V to turn the LED green or 5 V to turn the LED yellow Bode Analyzer The Bode Analyzer uses the Function Generator to output a st
8. Corporation v NI ELVIS II User Manual Contents Chapter 3 NI ELVISmx Software Using NI ELVIS II with SFP Instruments eee cece cee ceeeeeeceeeeseseeeeseeseeeseeeees NI ELVISmx Instrument Laumncher eee ec eeeeseeseceeeseeeseceeensesseeeseesees Arbitrary Waveform Generator ARD Bode Amaly Zero andere edd E E E R R E ai Digital Reader E IRSCH dal Digital Multimeter DMNM A Dynamic Signal Analyzer DSA 0 ec eseeseeseeeseeneeeseeseeeseceensesseeeaeenees Function Generator FGEN ccccccceesssccesseeeeseeeeseeeeseecnseeeeseeeeessneeensaeees Impedance Analyzer e vers Ho esi hte a erleedegen Oscilloscope Scope c2 esss nea a eh a ad lees Two Wire and Three Wire Current Voltage Analyzers s es Variable Power Supplies ode ANERER een Using NI ELVIS H with LabVIEW ENEE Kab VIEW Express VIS eet EE ees Using NI DAQm x with NI ELVIS I oo eee eseesecseeeesseeeseseeeeeeeees Using NI ELVIS II in SignalExpress 0 0 ceececceseseeeeseeseceseeseeeseeseeesecesesesneeeaes Chapter 4 Calibration Figures Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Tables Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 3 1 NI ELVIS II User Manual Typical NI ELVIS I System AAA Top View of NI ELVIS II Benchtop Workstation with Prototyping Boards ergeet anrea E ENa AREE Rear View of NI ELVIS I System eeeeesseeseeeesssrsresrsersrrsreresrrereeesres Bottom View of NI ELVIS II Bencht
9. NI Educational Laboratory Virtual Instrumentation Suite Il NI ELVIS II User Manual April 2008 7 NATIONAL 374629801 IE 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 feedback
10. 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 A A A bold 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 precautions to take to avoid injury data loss or a system crash When this icon is marked on the p
11. diode measurements Current Banana Jack red The positive input for DMM current measurements Fuse Cartridge Replaceable fuse to protect the current signal path Refer to the NI ELVIS IT Specifications at ni com manuals for fuse information i Note The NI ELVIS H DMM connections for voltage current resistance and diode measurements are available only through the banana jacks They are not routed to the prototyping board e Oscilloscope Scope Connectors CH0 BNC Connector tThe input for channel 0 of the oscilloscope CH1BNC Connector tThe input for channel 1 of the oscilloscope ei Note The NI ELVIS II Oscilloscope channels 0 and 1 are available only through the BNC connectors They are not routed to the prototyping board e FGEN Trigger Connector Optional output of the function generator or a digital trigger input NI ELVIS H User Manual 2 4 ni com Chapter 2 NI ELVIS II Hardware NI ELVIS II Rear Panel The NI ELVIS II rear panel has the following components as shown in Figure 2 3 e The benchtop workstation power switch Use this switch to power on or power off the NI ELVIS II e An AC DC power supply connection Use this connector to provide power to the workstation e A USB port Use this to connect the workstation to a computer e A Kensington security cable tie slot Use this connector to secure the workstation e A laptop security cable lock connector Use this connector to s
12. ditioning circuits for common sensors such as photoelectric multipliers or light detector sensors Related Documentation The following documents contain information that you might find helpful as you read this manual e Where to Start with NI ELVIS II available in PDF format on the NI ELVIS II Software CD e NI ELVISmx Help available on the NI ELVISmx Software CD e NIELVIS II Specifications available at zone ni com manuals e NI ELVIS II Theory of Operations available at zone ni com e Getting Started with LabVIEW available by selecting National Instruments LabVIEW x x LabVIEW Manuals e LabVIEW Help available by selecting Help VI Function and How To Help from the LabVIEW block diagram or front panel e LabVIEW Fundamentals available by selecting National Instruments LabVIEW x x LabVIEW Manuals e Measurement amp Automation Explorer Help for DAQmx available by selecting Help Help Topics NI DAQm x from the Measurement amp Automation Explorer MAX window e Getting Started with SignalExpress available by selecting National Instruments LabVIEW SignalExpress National Instruments Corporation 1 3 NI ELVIS II User Manual Chapter 1 About NI ELVIS II e NI Express Workbench Help available by selecting Help Express Workbench Help from the SignalExpress window e Using NI ELVISmx Instruments in NI Multisim available in the NI Multisim Help e ni com academic for various academic resources NI d
13. ecure the workstation 1 Prototyping Board Power Switch 4 USB Port 2 Benchtop Workstation Power Switch 5 Cable Tie Slot 3 AC DC Power Supply Connector 6 Kensington Security Slot Figure 2 3 Rear View of NI ELVIS II System National Instruments Corporation 2 5 NI ELVIS I User Manual Chapter 2 NI ELVIS H Hardware NI ELVIS Il Bottom Panel The NI ELVIS II benchtop workstation bottom panel has two hinged legs to elevate the rear of the workstation as shown in Figure 2 4 S 7 500 in 190 5 mm 9 500 in gt 241 3 mm 1 Hinged Rear Elevation Legs 2 Key Slot Vertical Mounting Holes Figure 2 4 Bottom View of NI ELVIS II Benchtop Workstation You can mount the benchtop workstation on a panel if required for your application Figure 2 4 shows the mounting hole dimensions for panel mounting the benchtop workstation NI ELVIS II Circuit Protection NI ELVIS II uses solid state circuit protection on all I O lines The only user servicable fuse protects the DMM and is accessible through the removable cartridge shown in Figure 2 2 NI ELVIS II User Manual 2 6 ni com Chapter 2 NI ELVIS II Hardware NI ELVIS Il Series Prototyping Board This section describes the NI ELVIS II Series Prototyping Board and how to use it to connect circ
14. elated Doc ment ti Ms ee enin ae REE EEEE EEEE S 1 3 Chapter 2 NI ELVIS Il Hardware NI ELVIS II Benchtop Workstation sesssseeseeessesseeesesessrsrssreresresesresrenenresreresresrsseneees 2 2 NI ELVIS I Rear ane diesen DrzeiegZeeucgd iea a i iea aa aon 2 5 NIL ELVIS ILBottom Panel ceruaren aa a 2 6 NLELVIS M Circuit Protectio sis cescsccessccistscassecveyecsssccseugcasscekouscaanctcuecascessens 2 6 NI ELVIS II Series Prototyping Board 2 7 Prototyping Board Power AAA 2 8 Signal Descriptions en oiee n SEENEN hoes 2 9 Connecting Sienale soere a i E EE RE EE E T R 2 10 Analog IMPUN rer e iein Soest ein OTE EE E dE EE EENEN DE 2 11 Grounding Considerations sssssesesessseesesrsresrrsreresreresrsrrresrrsrsresre 2 12 Resource Conflicts renee oea ENA ERTE 2 12 BMM EE 2 12 Voltage Current Resistance Diode and Continuity 0 0 0 2 12 Capacitance and Inductance eee ees sseeeseeseeseeeeeeeeseeneeeseeseenaees 2 14 Oscilloscope EE 2 14 RE EE 2 14 Function Generator POEN nenc iiien es ee rie erei 2 14 Power Supplies ery esoe aaa T a a E EE a a e a ioiii 2 14 Digital VO H 2 14 Programmable Function Interface DPI 2 15 User Configurable VO errean aS a E a aaa E aE aE 2 15 Pode nally EE 2 15 Two Wire Current Voltage Analvzer ce eeeeeeseeseeeseeseeeseeseeeaeenseeseeneeaes 2 15 Three Wire Current Voltage Analvzer eee eeseesesseceseeseeseeeseeeeeeseeneeaes 2 15 Eeumter mee ei egene Eeer aa ae 2 16 National Instruments
15. es SFP instruments LabVIEW Express VIs and SignalExpress blocks for programming the NI ELVIS II hardware Using NI ELVIS Il with SFP Instruments NI ELVISmx provides 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 ELVISmx Help NI ELVISmx Instrument Launcher The NI ELVIS Instrument Launcher provides access to the NI ELVISmx SFP instruments Launch the Instrument Launcher by navigating to Start All Program Files National Instruments NI ELVISmx NI ELVISmx Instrument Launcher This opens the suite of LabVIEW SFP instruments To launch an instrument click the button corresponding to the desired instrument Select the NI ELVIS II device from the Device control Some instruments perform similar operations using the same resources of the NI ELVIS II hardware 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 ELVISmx software generates an error dialog describing the conflict The instrument with the error is disabled and will not fu
16. exibility in setting parameters such as voltage and current ranges and can save data to a file In addition the three wire instrument offers base current settings for measurements of NPN and PNP transistors Refer to NI ELVISmx 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 NI ELVIS II User Manual 3 4 ni com Using NI ELVIS II with LabVIEW Chapter 3 NI ELVISmx Software This section provides an overview of using NI ELVIS II with LabVIEW LabVIEW Express Vis With NI ELVISmx the NI ELVIS II instruments have an associated LabVIEW Express VI 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 ELVISmx Express VIs open a LabVIEW block diagram and select Measurement I O NI ELVISmx from the function palette Table 3 1 shows the available NI ELVISmx Express VIs Refer to the NI ELVISmx Help for more information Table 3 1 NI ELVISmx Express VIs NI ELVISmx Express VI NI ELYISmx NI ELYISmx Bode NI ELVISmx Two NI ELVISmx Arbitrary Analyzer Wire
17. he 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 the National Ins
18. imulus and then uses analog input channels AI 0 and AI 1 to measure the response and stimulus respectively Two Wire Current Voltage Analyzer Connect the signal to DUT and DUT when using the Two Wire Current Voltage Analyzer Three Wire Current Voltage Analyzer The Three Wire Current Voltage Analyzer uses DUT DUT and BASE to plot the current voltage response of a NPN or PNP bipolar transistor Table 2 4 shows the transistor to prototyping board connections Table 2 4 Transistor to Prototyping Board Connections Transistor Node Prototyping Board Connections Base BASE Collector DUT Emitter DUT National Instruments Corporation 2 15 NI ELVIS II User Manual Chapter 2 NI ELVIS H Hardware Counter Timer NI ELVIS II User Manual The prototyping board provides access to the two counter timers on the device which are also accessible from software These inputs are used for counting TTL signals edge detection and pulse generation applications The CTRO_SOURCE CTRO_GATE CTRO_OUT CTR1_GATE and CTR1_OUT signals are connected to the default Counter 0 and Counter 1 PFI lines Refer to the M Series User Manual for more information 2 16 ni com NI ELVISmx Software This chapter provides an overview of the NI ELVISmx software available for use with the NI ELVIS II The NI ELVISmx software created in LabVIEW takes advantage of the capabilities of virtual instrumentation The software includ
19. nal Analyzer DSA Function Generator FGEN Impedance Analyzer Oscilloscope Scope 1 1 NI ELVIS I User Manual Chapter 1 About NI ELVIS II e Two Wire Current Voltage Analyzer e Three Wire Current Voltage Analyzer e Variable Power Supplies Also included are LabVIEW Express VIs and SignalExpress steps to program NI ELVIS II in these environments as well as NI ELVIS instruments integrated into NI Multisim Refer to Figure 2 1 Typical NI ELVIS IT System for an illustration of NI ELVIS IL NI ELVIS Il in Academic Disciplines You can use NI ELVIS II in engineering physical sciences and biological sciences laboratories Instructors can implement the NI ELVIS II curriculum with beginning to advanced classes to provide hands on experience to students NI ELVIS Il in Engineering NI ELVIS II User Manual NI ELVIS II 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 datalogging capabilities needed for such training Students can use the removable NI ELVIS II Series Prototyping Board prototyping board at home to build circuits thus using laboratory time more effectively NI ELVIS II SFP instruments such as the Bode Analyzer and Dynamic Signal Analyzer offer instructors an opportunity to teach advanced courses in signal analysis and processing For example students can co
20. nana Jacks A through D Connects to the banana jacks BNC lt 1 2 gt User Configurable UO BNC Connectors 1 and 2 Positive lines tie to the center pins of the BNC connectors negative lines tie to the shells of the BNC connectors SCREW User Configurable UO Connects to the screw terminals TERMINAL lt 1 2 gt National Instruments Corporation 2 9 NI ELVIS II User Manual NI ELVIS II Hardware Chapter 2 NI ELVIS H Hardware Table 2 2 Signal Descriptions Continued Signal Name Type Description SUPPLY Variable Power Supplies Positive Variable Power Supply Output of 0 to 12 V GROUND Power Supplies Ground SUPPLY Variable Power Supplies Negative Variable Power Supply Output of 12 to 0 V 15 V DC Power Supplies 15 V Fixed Power Supply 15 V DC Power Supplies 15 V Fixed Power Supply GROUND DC Power Supplies Ground 5V DC Power Supplies 5V Fixed Power Supply DIO lt 0 23 gt Digital Input Output Digital Lines 0 through 23 These channels are general purpose DIO lines that are used to read or write data PFI8 Programmable Function Static Digital I O line P2 0 CTRO_SOURCE Interface PFI8 Default function Counter 0 Source PFI9 Programmable Function Static Digital I O line P2 1 CTRO_GATE Interface PFI9 Default function Counter 0 Gate PFI12 Programmable Function Static Digital I O line P2 4 CTRO_OUT Interface PFI12 Default function
21. nction until the conflict is resolved Search for NI ELVIS II Theory of National Instruments Corporation 3 1 NI ELVIS I User Manual Chapter 3 NI ELVISmx Software Operation at zone ni com for information about possible resource conflicts Arbitrary Waveform Generator ARB This advanced level SFP instrument uses the AO capabilities of the device You can create a variety of signal types using the Waveform Editor software which is included with the NI ELVISmx software You can load waveforms created with the NI Waveform Editor into the ARB SFP to generate stored waveforms Refer to the NJ ELVISmx Help for more information about the Waveform Editor Since the device has two AO channels two waveforms may be simultaneously generated You can choose to run continuously or run once Bode Analyzer By combining the frequency sweep feature of the function generator and the AI capability of the device a full function Bode Analyzer is available with NI ELVISmx You can set the frequency range of the instrument and choose between linear and logarithmic display scales Refer to the NI ELVISmx Help for required hardware connections Digital Reader This instrument reads digital data from the NI ELVIS II digital lines You can read eight consecutive lines at a time 0 7 8 15 16 23 either continuously or you can take a single reading Digital Writer This instrument updates the NI ELVIS II digital lines with user specified digital
22. ng with host e Prototyping Board Power Switch and LED Controls the power to the prototyping board UN Caution Ensure that the prototyping board power switch is off before inserting or removing it from the benchtop workstation e Variable Power Supplies Controls Positive Voltage Adjust Knob Controls the output voltage of the positive variable power supply The positive supply can output between 0 and 12 V Negative Voltage Adjust Knob Controls the output voltage of the negative variable power supply The negative supply can output between 0 and 12 V ei Note These knobs are only active when the associated variable power supply is set to Manual Mode An LED next to each knob lights when the variable power supply is in Manual Mode National Instruments Corporation 2 3 NI ELVIS I User Manual Chapter 2 NI ELVIS H Hardware e Function Generator Controls Frequency Knob Adjusts the output frequency of the generated waveform Amplitude Knob Adjusts the amplitude of the generated waveform 3 Note These knobs are only active when the Function Generator is set to Manual Mode An LED next to each knob lights when the Function Generator is in Manual Mode e DMM Connectors Voltage Resistance and Diode Banana Jack red The positive input for voltage based DMM functionality Common Banana Jack black The common reference connection for DMM voltage current resistance and
23. nstruct software filters in LabVIEW and hardware filters on the prototyping board and compare the performance 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 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 1 2 ni com Chapter 1 About NI ELVIS II NI ELVIS Il in Biological Sciences UN Caution The NI ELVIS II hardware is not environmentally sealed therefore exercise caution when using NI ELVIS II in chemical and biological applications Biomedical engineering departments have challenges that are similar to those of mechanical departments Students typically learn basic electronics and build instruments such as those used to measure temperature The prototyping board offers signal conditioning capability for temperature sensors and the NI ELVISmx SFP instruments are ideal for testing the circuits as students build the signal conditioning circuits NI ELVIS Il in Physical Sciences Physics students typically learn electronics and circuit design theory NI ELVIS II provides these students with the opportunity to implement these concepts For example physics students can use NI ELVIS II to build signal con
24. ocumentation is also available at ni com NI ELVIS II User Manual 1 4 ni com NI ELVIS Il Hardware NI ELVIS II combines hardware and software into one complete laboratory suite This chapter provides an overview of the NI ELVIS I Benchtop Workstation Figure 2 1 shows a typical diagram of an NI ELVIS II system 1 Laptop Computer 4 Prototyping Board 2 USB Cable 5 AC DC Power Supply Included with NI ELVIS II 3 NI ELVIS II Benchtop Workstation 6 To Power Outlet Figure 2 1 Typical NI ELVIS II System National Instruments Corporation 2 1 NI ELVIS II User Manual Chapter 2 NI ELVIS H Hardware NI ELVIS I 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 II Benchtop Workstation The workstation control panel provides easy to operate knobs for the variable power supplies and function generator and offers convenient connectivity and functionality in the form of BNC and banana style connectors to the function generator scope and DMM instruments Figure 2 2 shows the control panel parts locator diagram NATIONAL INSTRUMENTS NI ELVIS II Ki oO el fe OC iy E enooseo ll S E
25. op Workstation NI ELVIS II Series Prototyping Board Connections for DMM Measurements eee ee eeeeseeseeeseeneeeeeeseeees Benchtop Workstation USB LED Battes Signal Des riptiOns EE Analog Input Signal Mapping 00 eee eee eeseereceeeeseeeeeeeseeeeseeseens Transistor to Prototyping Board Connectong eee eeeeeeeeeereeeees NI ELVISmx Express EE vi ni com About NI ELVIS Il This document contains information about the National Instruments Educational Laboratory Virtual Instrumentation Suite IT NI ELVIS ID architecture and instruments This chapter provides an overview of the NI ELVIS II and its possible uses in various academic disciplines ei Note Refer to the Where to Start with NI ELVIS II document for information about how to set up the NI ELVIS II What You Need to Get Started Refer to Where to Start with NI ELVIS II for a list of hardware software documentation and tools you need to set up and use the NI ELVIS II NI ELVIS II Overview NI ELVIS II uses LabVIEW based software instruments and a custom designed benchtop workstation and prototyping board to provide the functionality of a suite of common laboratory instruments NI ELVISmx is the software that supports NI ELVIS II hardware It provides the following LabVIEW soft front panels SFPs National Instruments Corporation Arbitrary Waveform Generator ARB Bode Analyzer Digital Reader Digital Writer Digital Multimeter DMM Dynamic Sig
26. 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 National Instruments Corporation 3 3 NI ELVIS I User Manual Chapter 3 NI ELVISmx Software Oscilloscope Scope This instrument provides the functionality of the standard desktop oscilloscope found in typical undergraduate laboratories The NI ELVISmx Oscilloscope 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 You can choose between digital or analog hardware triggering You can connect to the NI ELVIS II Oscilloscope from the BNC connectors on the front panel of the benchtop workstation The computer based scope display has the ability to use cursors for accurate screen measurements 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 fl
27. patterns You can manually create a pattern or select predefined patterns such as ramp toggle or walking 1s This instrument can control eight consecutive lines and either continually output a pattern or just perform a single write The output of the NI ELVISmx Digital Writer SFP stays latched until another pattern is output the lines it is using are configured for read or the power is cycled on the NI ELVIS II workstation Output voltage levels of the NI ELVIS II digital lines are TTL compatible NI ELVIS II User Manual 3 2 ni com Chapter 3 NI ELVISmx Software Digital Multimeter DMM 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 For capacitance and inductance measurements you must make connections to the DMM Impedance Analyzer on the prototyping board For all other measurements make connections to the DMM banana jacks on the benchtop workstation Dynamic Signal Analyzer DSA This instrument is especially useful in advanced electrical engineering and physics classes This instrument uses the analog input of the 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
28. roduct 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 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 About NI ELVIS II What You Need to Get Started AA 1 1 NEELVIS IA EE 1 1 NI ELVIS II in Academic Disciplines 0 eee seeeseceeeesesseeeseeseeesecseceseeaeseeeeaeenees 1 2 NI ELVIS Um Engineering 0000 eee a N a n aa 1 2 NI ELVIS II in Biological Sciences 0 eee ec eeeeeesceseeeeceeeeeenseeeenseeseeeaes 1 3 NI ELVIS Min Physical Sciences srias iirinn e 1 3 R
29. s AI SENSE Analog Inputs Analog Input Sense Reference for the analog channels in nonreferenced single ended NRSE mode For more information about AI modes search for NJ ELVIS II Theory of Operation at zone ni com AI GND Analog Inputs Analog Input Ground Ground reference for the Analog Input signals PFI lt 0 2 gt lt 5 7 gt lt 10 11 gt Programmable Functions Interface PFI Lines Used for static DIO or for routing timing signals BASE 3 Wire Voltage Current Base excitation for bipolar junction transistors Analyzer DUT DMM Impedance 2 and Excitation terminal for Capacitance and Inductance measurements 3 Wire Analyzers DMM Impedance Analyzer 2 Wire Analyzer and 3 Wire Analyzer DUT DMM Impedance 2 and Virtual ground and current measurement for capacitance and 3 Wire Analyzers inductance measurements DMM the Impedance Analyzer 2 Wire Analyzer and 3 Wire Analyzer AO lt 0 1 gt Analog Outputs Analog Output Channels 0 and 1 Used for the Arbitrary Waveform Generator FGEN Function Generator Function Generator Output SYNC Function Generator TTL output synchronized to the FGEN signal AM Function Generator Amplitude Modulation Input Analog input used to modulate the amplitude of the FGEN signal FM Function Generator Frequency Modulation Input Analog input used to modulate the frequency of the FGEN signal BANANA lt A D gt User Configurable UO Ba
30. s 7 DMM AO Function Generator 2 Benchtop Workstation Interface Connector User Configurable I O Variable Power Supplies 3 DIO Signal Rows and DC Power Supplies Signal Rows 4 User Configurable LEDs 8 DC Power Supply Indicators 5 User Configurable D SUB Connector 9 User Configurable Screw Terminals 6 Counter Timer User Configurable UO 10 User Configurable BNC Connectors and DC Power Supply Signal Rows 11 User Configurable Banana Jack Connectors 12 Screw Positions for Locking Figure 2 5 NI ELVIS II Series Prototyping Board Prototyping Board Power NI ELVIS II User Manual The prototyping board provides access to 15 V and a 5 V power supplies You can use these voltage rails to construct many common circuits Refer to the NI ELVIS II Specifications at ni com manual1s for more information about these voltage rails If any of the power indicators are not lit when the prototyping board power is enabled check the connected devices for a short circuit Turn the prototyping board power switch off and back on to reset the current limiters 2 8 ni com Signal Descriptions Table 2 2 describes the signals on the prototyping board The signals are grouped by the functionality section where they are located Chapter 2 Table 2 2 Signal Descriptions Signal Name Type Description AI lt 0 7 gt Analog Inputs Analog Input Channels 0 through 7 Positive and negative input channels lines to differential AI channel
31. s terminals are the three banana jacks on the side of the benchtop workstation For DC Voltage AC Voltage Resistance Diode and Continuity Test modes use the VOF and COM connectors For DC Current and AC Current modes use the A and COM connectors For easy access to circuits on the prototyping board you can use banana to banana cables to wrap the signals from the user configurable banana jacks to the DMM connectors on the benchtop workstation 2 12 ni com Chapter 2 NI ELVIS II Hardware Figure 2 6 shows the banana jacks on the benchtop workstation used for V R Diode Continuity and for Current NATIONAL INSTRUMENTS N e lt FGEN o T Fie Ess gt TRIG is ORES SV TTL ac o TEE 7Vrms MAX a a VE LED DG o H CHO eat ES BANANA A LP 1Ma25pF Wi esesh E F H e DCD 0000 o H cH ae EPH TE BANANA B wem HERR a me OOOO S LE Bet RE L vat BANANAG z om Rb me s as 6OVDC KR mn Oooo Se DO KS Ll GC COM BANANA D 2A MAX m Om Ee CA S SO Gi CO 7 DE Lt L BW pe Gees FUSE Fees 3 TE SS BSH sand Filled o mwwac a lad OC Cel 5 20 mm te o H TZ e BNC2 wert WEE Good Fee OO Cem me D 1 oR
32. the patents txt file on your media or 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 DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE
33. to the floating AISENSE line Table 2 3 shows the channel mapping for each mode Table 2 3 Analog Input Signal Mapping National Instruments Corporation 2 11 NI ELVIS II Series Prototyping Board Differential Mode Terminals Default RSE NRSE Modes AI0 AI 0 AIO AIQ AI 0 AIS All AI 1 All AIl AI 1 AI9 AI2 AI 2 AI 2 AI2 AI 2 AI 10 AI3 AI 3 AI 3 AB AI 3 AI 11 Al4 AI 4 Al 4 AI4 AI 4 AI 12 AI5 AI 5 AI5 AI5 AI 5 AI 13 AI6 AI 6 Al 6 AI6 Al 6 AI 14 AI7 AI 7 AI7 Al7 AI 7 AI 15 AISENSE AI SENSE AIGND AI GND AI GND NI ELVIS II User Manual Chapter 2 NI ELVIS II Hardware DMM NI ELVIS II User Manual Grounding Considerations The analog input channels are differential you must therefore establish a ground point somewhere in the signal path As long as the signal you are measuring is referenced to one of the AI GND pins the measurement is correctly referenced If you are measuring a floating source such as a battery connect one end of the signal to the ground Resource Conflicts The AI timing engine is shared by several instruments within the NI ELVIS II This means that these instruments cannot be used at the same time Search for NI ELVIS II Theory of Operation at zone ni com for more details Voltage Current Resistance Diode and Continuity The primary DMM instrument on NI ELVIS II is isolated and it
34. truments 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 refer to the appropriate location Help Patents in your software
35. uits to NI ELVIS II The NI ELVIS II Series Prototyping Board connects to the benchtop workstation The prototyping board provides an area for building electronic circuitry and has the necessary connections to access signals for common applications You can use multiple prototyping boards interchangeably with the NI ELVIS I Benchtop Workstation UN Caution Ensure that the prototyping board power switch is off before inserting or removing it from the 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 II 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 National Instruments Corporation 2 7 NI ELVIS I User Manual Chapter 2 NI ELVIS H Hardware Figure 2 5 shows the parts locator diagram for the prototyping board NI ELVIS II SERIES p D e PROTOTYPING BOARD si mm mm m mmi m es EE EE EEN DEE DEE DOT SE EE EEN 3 SE EE Ee al IE 1 Aland PFI Signal Row
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