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DAQ

PCI/PXI

™

-6703/6704

User Manual

DC Analog Output Devices
for PCI/PXI/CompactPCI Bus Computers

PCI/PXI-6703/6704 User Manual

March 1999 Edition

Part Number 322110B-01

Содержание PCI-6703

Страница 1: ...DAQ PCI PXI 6703 6704 User Manual DC Analog Output Devices for PCI PXI CompactPCI Bus Computers PCI PXI 6703 6704 User Manual March 1999 Edition Part Number 322110B 01...

Страница 2: ...8 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherla...

Страница 3: ...LITY 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 Instrumen...

Страница 4: ...in the software such as menu items and dialog box options Bold text also denotes parameter names italic Italic text denotes variables emphasis a cross reference or an introduction to a key concept Th...

Страница 5: ...nfiguration Software Installation 2 1 Hardware Installation 2 1 Device Configuration 2 2 Chapter 3 Signal Connections I O Connector Pin Assignments 3 1 Signal Connection Descriptions 3 3 Analog Output...

Страница 6: ...ications Appendix B Common Questions Appendix C Technical Support Resources Glossary Index Figures Figure 1 1 The Relationship between the Programming Environment NI DAQ and Your Hardware 1 4 Figure 3...

Страница 7: ...struments 6703 6704 device The 6703 6704 devices are precise DC setpoint devices for PCI and PXI The 6703 devices have 16 voltage output channels The 6704 devices have 16 voltage output channels and 1...

Страница 8: ...indows LabWindows CVI for Windows Measure NI DAQ for PC compatibles VirtualBench PC with a free PCI slot or PXI chassis with a free slot 68 pin cable type SH68 68 D1 68 pin terminal block type CB 68 U...

Страница 9: ...rce management utilities and interactive control utilities included with NI DAQ LabVIEW features interactive graphics a state of the art user interface and a powerful graphical programming language Th...

Страница 10: ...acquisition high speed A D conversion analog output D A conversion waveform generation digital I O counter timer operations SCXI RTSI self calibration messaging and acquiring data to extended memory N...

Страница 11: ...screw terminals For more information about these products refer to the National Instruments catalogue or website or call the office nearest you Custom Cabling National Instruments offers cables and a...

Страница 12: ...and application software package You can now install your hardware Hardware Installation You can install your 6703 6704 device in any available expansion slot in your computer However to achieve best...

Страница 13: ...o the chassis 6 Screw the front panel of the PXI 6703 6704 to the front panel mounting rail of the system 7 Visually verify the installation 8 Plug in and turn on your computer Your PXI 6703 6704 is i...

Страница 14: ...any of the maximum ratings of input or output signals on the 6703 6704 device can damage the device and the computer Maximum input ratings for each signal are given in this chapter under the discussio...

Страница 15: ...H9 ICH25 VCH10 ICH26 ICH22 AGND8 AGND24 AGND11 AGND27 AGND12 AGND28 ICH28 VCH13 AGND14 AGND30 ICH30 VCH15 AGND DGND DGND RFU DGND RFU DGND DGND DGND 25 59 24 58 23 57 22 56 21 55 20 54 19 53 18 52 17...

Страница 16: ...omputer system s 5 VDC supply through a self resetting circuit breaker 38 40 RFU Reserved for future use 34 66 31 63 28 60 25 57 22 54 52 17 15 47 12 44 VCH 0 15 Voltage output channels 67 32 64 29 61...

Страница 17: ...at the voltage output channel Warning Because 6703 6704 devices are not electrically isolated from high voltages a load with high common mode voltages can damage the devices National Instruments is NO...

Страница 18: ...ages can damage the 6704 devices National Instruments is NOT liable for any damages resulting from any such signal connections Figure 3 3 shows how to connect a current channel ICH as a current output...

Страница 19: ...rom your higher output current channels Power up Condition All current outputs are within 1 1 mA maximum of their user defined values within 0 5 s of power up board reset The current outputs will sett...

Страница 20: ...nections Pin 1 on the I O connector is connected to the 5 V supply from the PCI or PXI bus power supply This pin is referenced to DGND and can supply power to external circuitry The 5 V supply has a t...

Страница 21: ...onal components of the 6703 6704 devices Figure 4 1 PCI PXI 6703 6704 Block Diagram PCI PXI Bus I O Connector Control Address Data Bus Interface Logic nvRAM DAC Control Digital I O 16 Bit DAC nvSRAM M...

Страница 22: ...to create 16 voltage outputs 16 current outputs and four calibration channels Data is stored in a nonvolatile RAM nvRAM The nvRAM DAC control reads the DAC channel data stored in the nvRAM and update...

Страница 23: ...current offset channel and the current gain channel The outputs of these calibration channels are continuously compared to onboard references and the 16 bit DAC offset and gain are adjusted to minimi...

Страница 24: ...function Set_DAQ_Device_Info deviceNumber infoType infoValue with infoType equal to ND_CALIBRATION_ENABLE and infoValue equal to ND_YES You may then write to the calibration channels by calling AO_VW...

Страница 25: ...wrote to the output channel The voltage you write to the voltage gain channel will be close to 10 V and increasing it will lower the magnitude of the voltage you measure You can also calibrate using...

Страница 26: ...mming the outputs by connecting them together This will reduce the sensitivity of the calibration process to interchannel mismatch the slight differences in the output characteristics of the channels...

Страница 27: ...unless otherwise stated Analog Output Number of voltage channels 16 Number of current channels for the 6704 16 Resolution 16 bit Recommended warm up time 15 minutes Transfer Characteristics INL 1 LSB...

Страница 28: ...nal excitation source Output impedance 1 G min Output compliance 0 to 10 V Absolute accuracy 2 A max Noise 1 A rms DC to 1 MHz Protection Short circuit and open circuit Power up state Independent user...

Страница 29: ...Digital I O Number of channels 8 I O Compatibility TTL Power on state Input high impedance Digital logic levels Bus Interface Type Slave Power Requirement 5 V 6703 700 mA 6704 1 A 12 V 70 mA 12 V 70 m...

Страница 30: ...he I O connector They assume that all voltage and current outputs are fully loaded Physical Dimensions not including connectors PCI 6703 6704 9 9 by 17 5 cm 3 9 by 6 9 in PXI 6703 6704 10 by 16 cm 3 9...

Страница 31: ...breaker in series If the circuit breaker protection is activated simply remove the circuit causing the heavy current load and the circuit breaker will reset itself For more information on this output...

Страница 32: ...iew for more information Analog Output What are the power on states of the voltage and current outputs At system power on and reset all analog outputs are at the values you last saved How fast do the...

Страница 33: ...b address is www natinst com From this Web site you can connect to our Web sites around the world www natinst com niglobal and access technical support www natinst com support FTP Site To access our F...

Страница 34: ...rio 905 785 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 India 91805275406 Israel 03 612...

Страница 35: ...ossary Prefix Meaning Value n nano 10 9 micro 10 6 m milli 10 3 k kilo 103 M mega 106 G giga 109 Numbers Symbols degrees negative of or minus ohms per percent plus or minus positive of or plus A A amp...

Страница 36: ...ight digital channels D D A digital to analog DAC D A converter DAQ data acquisition 1 collecting and measuring electrical signals from sensors transducers and test probes or fixtures and inputting th...

Страница 37: ...ogrammable Read Only Memory ROM that can be erased usually by ultraviolet light exposure and reprogrammed F function a set of software instructions executed by a single line of code that may have inpu...

Страница 38: ...I O input output the transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces IOH current output high IOL...

Страница 39: ...ommunicates with installed hardware or peripheral devices P PC personal computer port 1 a communications connection on a computer or a remote controller 2 a digital port consisting of four or eight li...

Страница 40: ...te the output equivalent of a scan One or more analog or digital output samples Typically the number of output samples in an update is equal to the number of channels in the output group For example o...

Страница 41: ...t calibration for 6704 5 3 to 5 4 gain adjustment 5 4 offset adjustment 5 4 external calibration 5 1 to 5 2 6703 calibration channel numbers table 5 2 6704 calibration channel numbers table 5 2 saving...

Страница 42: ...ware 2 1 to 2 2 software 2 1 unpacking the PCI PXI 6703 6704 1 2 to 1 3 I O connector overview 4 2 pin assignments figure 3 2 signal connection descriptions table 3 3 L LabVIEW and LabWindows CVI soft...

Страница 43: ...ection descriptions table 3 3 power connections 3 7 software installation 2 1 software programming choices 1 3 to 1 4 National Instruments application software 1 3 to 1 4 NI DAQ driver software 1 4 sp...

Страница 44: ...Index PCI PXI 6703 6704 User Manual I 4 National Instruments Corporation W Web site support C 1...

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