National Instruments PCI-6025E manuale d’uso

DAQ PCI-6023E/6024E/6025E User Manual Multifunction I/O Boards for PCI Bus Computers PCI-6023E/6024E/6025E User Manual October 1998 Edition Part Number 3220 72A-01 PCI.book Page 1 Wednesday, September 16, 199 8 9:09 AM[...]

Internet Support E-mail: s upport@natinst.com FTP Site: ftp.natinst.com Web Address: http://www.natinst.com Bulletin Board Support BBS United States: 512 794 5422 BBS United Kingdom: 01635 551422 BBS France: 01 48 65 15 59 Fax-on-Demand Support 512 418 1111 Telephone Support (USA) Tel: 512 795 8248 Fax: 512 794 5678 International Offices Australia [...]

Important Information Warranty The PCI-6023E, PCI-602 4E, and PCI-60 25E b oards are warrant ed again st defects i n mat erial s an d w orkmans hi p for a period of one year from the date of shipment, as evid enced by receipts or other documentation. Nati onal Instruments will, at its option, repair or replace equipment that proves to be defective [...]

© National Instruments Corporation v PCI-6023E/6024E/6025E User Manual Contents About This Manual Organization of This Manual .............. ........... ............ .............. ........... ........... ............ .... xi Conventions Used in This Manual .......................... ........... ........... ............ .............. ....... xii [...]

Contents PCI-6023E/6024E/6025E User Manual vi © National Instruments Corporation RTSI Triggers .................. .. ............ ... ........... ........... ... ........... ............ .. ............ 3-8 Chapter 4 Signal Connections I/O Connector ................... ........... .............. ........... ........... ............ .............. [...]

Contents © National Instruments Corporation vii PCI-6023E/6024E/6025E User Manual AIGATE Signal.................... ... ........... ............ .. ............ ........... ... ....... 4-39 SISOURCE Signal ..................... ........... .............. ............ ........... ....... 4-40 Waveform Generation Timing Connections ................ [...]

Contents PCI-6023E/6024E/6025E User Manual viii © National Instruments Corporation Glossary Index Figures Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware ............ ........... ... ........... ... ........... ... ......... 1-5 Figure 3-1. PCI-6023E, PCI-6024E, and PC I-6025E Block Diagram .............[...]

Contents © National Instruments Corporation ix PCI-6023E/6024E/6025E User Manual Figure 4-28. CONVERT* Output Signal Timing ................ ........... .............. ........... .. 4-39 Figure 4-29. SISOURCE Signal Timing ........................ ........... ............ .............. ....... 4-40 Figure 4-30. WFTRIG Input Signal Timing .......[...]

© National Instruments Corporation xi PCI-6023E/6024E/6025E User Manual About This Manual The PCI E Series boards are high-performance multifunction analog, digital, and timing I/O boards for PCI bus computers. Supported functions include analog input, analog outpu t, digital I/O, and timing I/O. This manual describes the electrical and mechanical[...]

About This Manual PCI-6023E/6024E/6025E User Manual xii © National Instruments Corporation • The Index contains an alphabetical list of key terms and topics in this manual, including the page where you can find each one. Conventions Used in This Manual The following con ventions are used in this manual: < > Angle brackets enclose the name [...]

About This Manu al © National Instruments Corporation xiii PCI-6023E/6024E/6025E User Manual SCXI SCXI stands for Signal Conditioning eXtensions for Instrumentation and is a National Instruments product lin e designed to perform front-end signal conditioning for National Instruments plug-in DA Q boards. National Instruments Documentation The PCI-6[...]

About This Manual PCI-6023E/6024E/6025E User Manual xiv © National Instruments Corporation Related Documentation The following documents contain information you may f ind helpful: • DAQ-STC Technical Reference Manual • National Instruments Application Note 025, Field Wiring and Noise Considerations for Analog Signals • PCI Local Bus Specific[...]

© National Instruments Corporation 1-1 PCI-6023E/6024E/6025E User Manual 1 Introduction This chapter describes the PCI-6023E, PCI-6 024E, and PCI-6025E boards, lists what you need to get started, gives unpacking instructions, and describes the optional software and equipment. Features of the PCI-6023E, PCI-6024E, and PCI-6025E Thank you for buying[...]

Chapter 1 Introduction PCI-6023E/6024E/6025E User Manual 1-2 © National Instruments Corporation What Y ou Need to Get Started To set up and use your board, you will need the following: ❑ One of the follo wing boards: PCI-6023E PCI-6024E PCI-6025E ❑ PCI-6023E/6024E/6025E User Manual ❑ One of the follo wing software packages and documentation:[...]

Chapter 1 Introduction © National Instruments Corporation 1-3 PCI-6023E/6024E/6025E User Manual Software Programming Choices You have several options to choose fro m when programming your National Instruments DAQ and SCXI hardware. You can use National Instruments application software, NI-DAQ, or register-level programming. National Instruments Ap[...]

Chapter 1 Introduction PCI-6023E/6024E/6025E User Manual 1-4 © National Instruments Corporation accessory products, except for the SCXI-1200. NI-DAQ has an extensive library of functions that you can call from your application programming environment. These functions include routines for analog input (A/D conversion), buffered data acquisition (hi[...]

Chapter 1 Introduction © National Instruments Corporation 1-5 PCI-6023E/6024E/6025E User Manual Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Y our Hardware Register-Level Programming The final option for programming any Natio nal In struments DAQ hardware is to write register-level software. Writing register-level [...]

Chapter 1 Introduction PCI-6023E/6024E/6025E User Manual 1-6 © National Instruments Corporation Optional Equipment National Instruments offers a variety of products to use with your board, including cables, connector blocks, and other accessories, as follows: • Cables and cable assemblies, shielded and ribbon • Connector blocks, shielded and u[...]

© National Instruments Corporation 2-1 PCI-6023E/6024E/6025E User Manual 2 Installation and Configuration This chapter explains how to install and configure your PCI-6023E, PCI-6024E, or PCI-602 5E board. Software Installation Install your software before you install your board . Refer to the appropriate release notes indicated belo w for specif i[...]

Chapter 2 Installation and Configuration PCI-6023E/6024E/6025E User Manual 2-2 © National Instruments Corporation Y ou can modify data acquisition-related configuration settings, such as analog input range and mod e, through application lev el software. Refer to Chapter 3, Hardware Overview , for more information about the various settings av aila[...]

© National Instruments Corporation 3-1 PCI-6023E/6024E/6025E User Manual 3 Hardware Overview This chapter presents an overview of the hardware functions on your board. Figure 3 -1 shows a block diagram fo r the PCI-6023E, PCI-602 4E, and PCI-6025E. Figure 3-1. PCI-6023E, PCI-6024E, and PCI-6025E Block Diagram Timing PFI / Trigger DIO (24) I/O Conn[...]

Chapter 3 Hardware Over view PCI-6023E/6024E/6025E User Manual 3-2 © National Instruments Corporation Analog Input The analog input section of each board is software configurable. The following sections describe in detail each of the analog input settings. Input Mode The boards have three different input modes—nonreferenced single-ended (NRSE) i[...]

Chapter 3 Hardware Overview © National Instruments Corporation 3-3 PCI-6023E/6024E/6025E User Manual 12-bit analog-to-digital converter (ADC) resolution. With the proper gain setting, you can use the full resolution of the ADC to measure the input signal. Table 3-2 shows the input range and precision according to the gain used. Dither When you ena[...]

Chapter 3 Hardware Over view PCI-6023E/6024E/6025E User Manual 3-4 © National Instruments Corporation Figure 3-2. Dither Multichannel Scanning Considerations The PCI-6023E, PCI-6024E, and PCI-6025E boards can scan multiple channels at the same maximum rate as thei r single-channel rate; however, pay careful attention to the settling times for each[...]

Chapter 3 Hardware Overview © National Instruments Corporation 3-5 PCI-6023E/6024E/6025E User Manual multiplexer switches to channel 1 and the PGIA swi tches to a gain of 100, the new full-scale range is ±50 m V . The approximately 4 V step from 4 V to 1 mV is 4,000% of the new full-scale range. It may take as long as 100 µs for the circuitry to[...]

Chapter 3 Hardware Over view PCI-6023E/6024E/6025E User Manual 3-6 © National Instruments Corporation Digital I/O The PCI-6023E, PCI-6024, and PCI-6025E boards contain eight lin es of digital I/O (DIO<0..7>) for g eneral-purpose use. You can individually software-configure each line for either input or output. At system startup and reset, th[...]

Chapter 3 Hardware Overview © National Instruments Corporation 3-7 PCI-6023E/6024E/6025E User Manual Figure 3-3. CONVER T* Signal Routing This figure sho ws that CONVER T * can be generated from a number of sources, including the external signals R TSI<0..6> and PFI<0..9> and the internal signals Sample Interv al Counter TC and GPCTR0_[...]

Chapter 3 Hardware Over view PCI-6023E/6024E/6025E User Manual 3-8 © National Instruments Corporation UPDATE* signal as an output on the I/O connector, software can turn on the output dri ver for the PFI5/U PDATE* pin. Board and RTSI Clocks Many board functions require a frequency timebase to generate the necessary timing signals for controlling A[...]

Chapter 3 Hardware Overview © National Instruments Corporation 3-9 PCI-6023E/6024E/6025E User Manual Figure 3-4. RTSI Bus Signal Connection Refer to the Timing Connections section of Chapter 4, Signal Connections , for a description of the signals shown in Figure 3-4. RTSI Bus Connector switch RTSI Switch Clock Trigger 7 DAQ-STC TRIG1 TRIG2 CONVER[...]

© National Instruments Corporation 4-1 PCI-6023E/6024E/6025E User Manual 4 Signal Connections This chapter describes how to make input and output signal co nnections to your board via the I/O connector. The I/O connector for the PCI-6023 and PCI-6024E has 68 pins that you can connect to 68-pin accessories with the SH6868 shielded cable or the R686[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-2 © National Instruments Corporation Figure 4-1. I/O Connector Pin Assignment for the PCI-6023E/PCI-6024E FREQ_OUT GPCTR0_OUT PFI9/GPCTR0_GATE DGND PFI6/WFTRIG PFI5/UPDATE* DGND +5 V DGND PFI1/TRIG2 PFI0/TRIG1 DGND DGND +5 V DGND DIO6 DIO1 DGND DIO4 RESERVED DAC1OUT 1 DAC0OUT 1 ACH15[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-3 PCI-6023E/6024E/6025E User Manual Figure 4-2. I/O Connector Pin Assignment for the PCI-6025E 50 100 49 99 48 98 47 97 46 96 45 95 44 94 43 93 42 92 41 91 40 90 39 89 38 88 37 87 36 86 35 85 34 84 33 83 32 82 31 81 30 80 29 79 28 78 27 77 26 76 25 75 24 74 23 73 22 72 21 71 20 70 1[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-4 © National Instruments Corporation T able 4-1 shows the I/O connector signal descriptions for the PCI-6023E, PCI-6024E, and PCI-6025E. Table 4-1. I/O Connector Signal Descriptions Signal Name Reference Direction Description AIGND — — Analog Input Ground—These pins are the ref[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-5 PCI-6023E/6024E/6025E User Manual SCANCLK DGND Output Scan Clock—This pin pulses once for each A/D con version in scanning mode when enabled. The low-to-high edge indicates when the input signal can be removed from the input or switched to another signal. EXTSTROBE* DGND Output [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-6 © National Instruments Corporation PFI5/UPD A TE* DGND Input Output PFI5/Update—As an input, this is one of the PFIs. As an output, this is the UPDA TE* (AO Update) signal. A high-to-low edge on UPD A TE* indicates that the analog output primary group is being updated for the PCI[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-7 PCI-6023E/6024E/6025E User Manual T able 4-2 sho ws the I/O signal summary for the PCI-6023E, PCI-6024E, and PCI-6025E. Table 4-2. I/O Signal Summary Signal Nam e Signal T ype and Direction Impedance Input/ Output Protection (V olts) On/Off Source (mA at V) Sink (mA at V) Rise Tim[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-8 © National Instruments Corporation Analog Input Signal Over view The analog input signals for these boards are A CH<0..15>, ASENSE, and AIGND. Connection of these analog input signals to your board depends on the type of input signal source and the configuration of the analog[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-9 PCI-6023E/6024E/6025E User Manual Floating Signal Sources A floating signal source is not connected in any way to the building ground system but, rather, has an isolated ground-reference point. Some examples of floating signal sources are outputs of transformers, thermocouples, ba[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-10 © National Instruments Corporation Figure 4-3. Programmable Gain Instrumentation Amplifier (PGIA) In single-ended mode (RSE and NRSE), signals connected to ACH<0..15> are routed to the positi v e input of the PGIA. In dif ferential mode, signals connected to A CH<0..7>[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-11 PCI-6023E/6024E/6025E User Manual gain setting of the amplifier . The amplifier output voltage is referenced to the ground for the board. Y our board’ s A/D conv erter (ADC) measures this output voltage when it performs A/D con versions. Y ou must reference all signals to groun[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-12 © National Instruments Corporation Figure 4-4. Summary of Analog Input Connections Input Diff erential (DIFF) Single-Ended — Ground Referenced (RSE) Single-Ended — Nonreferenced (NRSE) Floating Signal Source (Not Connected to Building Ground) Grounded Signal Sour ce Examples ?[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-13 PCI-6023E/6024E/6025E User Manual Differential Connection Considerations (DIFF Input Configuration) A differential connection is one in which the analog input signal has its own reference signal or signal return path. These connections are available when the selected channel is c[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-14 © National Instruments Corporation Differential Connections for Ground-Referenced Signal Sources Figure 4 -5 shows how to connect a ground-referenced signal source to a channel on the board configured in DIFF input mode. Figure 4-5. Differential Input Connections for Ground-Refere[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-15 PCI-6023E/6024E/6025E User Manual Differential Connections for Nonreferenced or Floating Signal Sources Figure 4 -6 shows how to connect a floating signal source to a channel configured in DIFF input mode. Figure 4-6. Differential Input Connections for Nonreferenced Signals Figur[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-16 © National Instruments Corporation of the PGIA and connect the negati ve side of the signal to AIGND as well as to the negati ve input of the PGIA, without any resistors at all. This connection works well for DC-co upled sources with low source impedance (less than 100 Ω ). Ho w[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-17 PCI-6023E/6024E/6025E User Manual Single-Ended Connection Considerations A single-ended connection is one in which the bo ard analog input signal is referenced to a ground that can be shared with other input signals. The input signal is tied to the positive input of the PGIA, and[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-18 © National Instruments Corporation Single-Ended Connections for Floating Signal Sources (RSE Configuration) Figure 4 -7 shows how to connect a floating signal source to a channel configured for RSE mode. Figure 4-7. Single-Ended Input Connections for Nonreferenced or Floating Sign[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-19 PCI-6023E/6024E/6025E User Manual Figure 4 -8 sho ws how to connect a grounded signal source to a channel configured for NRSE mode. Figure 4-8. Single-Ended Input Connections for Ground- Referenced Signals Common-Mode Signal Rejection Considerations Figures 4-5 and 4-8 show conne[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-20 © National Instruments Corporation Analog Output Signal Connections ♦ PCI-6024E and PCI-6025E The analog output signals are D A C0OUT , D AC1OUT , and A OGND. D AC0OUT and D A C1OUT are not av ailable on the PCI-6023E. D AC0OUT is the voltage output signal for analog output chan[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-21 PCI-6023E/6024E/6025E User Manual Digital I/O Signal Connections All Boards All boards have digital I/O signals DIO<0..7> and DGND. DIO<0..7> are the signals making up the DIO port, and DGND is the ground reference signal for the DIO port. You can program all lin es i[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-22 © National Instruments Corporation switch sho wn in the figure. Digital output applications include sending TTL signals and dri ving external devices such as the LED sho w n in the fig u r e. PCI-6025E Only The PCI-6025E board uses an 82C55A PPI to provide an additional 24 lines o[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-23 PCI-6023E/6024E/6025E User Manual In Figure 4-11, port A of one PPI is configured for digital output, and port B is configured for digital input. Digital input applications include recei ving TTL signals and sensing e xternal de vice states such as the s tate of the switch in Fig[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-24 © National Instruments Corporation Digital I/O Power -up State ♦ (PCI-6025E Only) The PCI-6025E contains bias resistors that control the state of the digital I/O lines P A<0..7>,PB <0..7>,PC<0..7> at power up. Each digital I/O line is configured as an input, pu[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-25 PCI-6023E/6024E/6025E User Manual 2. Using the follo wing formula, calculate the lar gest possible load to maintain a logic low le vel of 0.4 V and suppl y the max imum driving current: V = I * R L ⇒ R L = V/I, where: V = 0.4 V ; V oltage across R L I = 46 µ A + 10 µ A ; 4.6 [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-26 © National Instruments Corporation AC K * Input Ack nowledge Input—A low signal on this handshaking line indicates that the data written to the port has been accepted. This signal is a response from the e xternal de vice indicating that it has recei v ed the data from your DIO b[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-27 PCI-6023E/6024E/6025E User Manual Mode 1 Input T iming Timing specifications for an input transfer in mode 1 are as follows: Figure 4-13. Timing Specifications fo r Mode 1 Input T ransfer Name Description Minimum Maximum T1 STB* Pulse Width 100 — T2 STB* = 0 to IBF = 1 —1 5 0[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-28 © National Instruments Corporation Mode 1 Output T iming Timing specifications for an output transfer in mode 1 are as follows: Figure 4-14. Timing Specifications for Mode 1 Output T ransfer Name Description Minimum Maximum T1 WR* = 0 to INTR = 0 —2 5 0 T2 WR* = 1 to Output —2[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-29 PCI-6023E/6024E/6025E User Manual Mode 2 Bidirectional T iming Timing specifications for a bidirectional transfer in mode 2 are as follows: Figure 4-15. Timing Specifications for Mode 2 Bidirectional T ransfer Name Description Minimum Maximum T1 WR* = 1 to OBF* = 0 —1 5 0 T2 Da[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-30 © National Instruments Corporation Power Connections Two pins on the I/0 connector supply +5 V from the computer power supply via a self-resetting fuse. The fuse will reset automatically within a few seconds after the overcurrent condition is removed. These pi ns are referenced to[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-31 PCI-6023E/6024E/6025E User Manual Figure 4-16. Timing I/O Connections Programmable Function Input Connections There are a total of 13 internal timing signals that you can externally control from the PFI pins. The source for each of these signals is software-selectable from any of[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-32 © National Instruments Corporation will depend upon the particular timing signal being controlled. The detection requirements for each timing signal are listed within the section that discusses that individual signal. In edge-detection mode, the minimum pulse width required is 10 [...]

Chapter 4 Signal Connections © National Instruments Corporation 4-33 PCI-6023E/6024E/6025E User Manual Figure 4-18. T ypical Pretriggered Acquisition SCANCLK Signal SCANCLK is an output-only signal that generates a pulse with the leading edge occurring approximately 50 to 100 n s after an A/D conversion begins. The polarity of this output is softw[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-34 © National Instruments Corporation Figure 4-20. EXTSTROBE* Signal Ti ming TRIG1 Signal Any PFI pin can externally input the TRIG1 signal, which is available as an output on the PFI0/TRIG1 pin. Refer to Figures 4-17 and 4-18 for the relationship of TRIG1 to the D A Q sequence. As a[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-35 PCI-6023E/6024E/6025E User Manual Figure 4-22. TRIG1 Output Signal T iming The board also uses the TRIG1 signal to initiate pretriggered D A Q operations. In most pretriggered applications, the TRIG1 signal is generated by a software trigger . Refer to the TRIG2 signal descriptio[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-36 © National Instruments Corporation Figures 4 -23 and 4 -24 show the input and output timing requirements for the TRIG2 signal. Figure 4-23. TRIG2 Input Signal Timing Figure 4-24. TRIG2 Output Signal T iming ST AR TSCAN Signal Any PFI pin can externally input the STARTSCAN signal, [...]

Chapter 4 Signal Connections © National Instruments Corporation 4-37 PCI-6023E/6024E/6025E User Manual ST AR TSCAN will be deasserted t off after the last con v ersion in the scan is initiated. This output is set to tri-state at startup. Figures 4 -25 and 4 -26 show the input and output timing requirements for the ST AR TSCAN signal. Figure 4-25. [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-38 © National Instruments Corporation A counter on y our board internally generates the ST AR TSCAN signal unless you select some external source. This counter is started b y the TRIG1 signal and is stopped either b y software or b y the sample counter . Scans generated by either an [...]

Chapter 4 Signal Connections © National Instruments Corporation 4-39 PCI-6023E/6024E/6025E User Manual Figure 4-28. CONVERT* Output Signal T iming The sample interval counter on the board normally generates the CONVER T* signal unless you select some external source. The counter is started by the ST AR TSCAN signal and continues to count down and [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-40 © National Instruments Corporation SISOURCE Signal Any PFI pin can externally input the SISOURCE signal, which is not available as an output on the I/O connector. The onboard scan interval counter uses the SISOURCE signal as a clock to time the generation of the STARTSCAN signal. [...]

Chapter 4 Signal Connections © National Instruments Corporation 4-41 PCI-6023E/6024E/6025E User Manual externally triggered by another PFI. The output is an active high pulse with a pulse width of 50 to 100 ns. This output is set to tri-state at startup. Figures 4 -30 and 4 -31 show the input and output timing requirements for the WFTRIG signal. F[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-42 © National Instruments Corporation Figures 4 -32 and 4-33 sho w the input and output timing requ irements for the UPD A TE* signal. Figure 4-32. UPDA TE* Input Signal T iming Figure 4-33. UPDA TE* Output Signal Timing The D ACs are updated within 100 ns of the leading edge. Separa[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-43 PCI-6023E/6024E/6025E User Manual Figure 4-34. UI SOURCE Signal T iming The maximum allowed frequenc y is 20 MHz, with a minimum pulse width of 23 ns high or low . There is no minimum freq uency limitation. Either the 20 MHz or 100 kHz internal timebase normally generates the UIS[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-44 © National Instruments Corporation Figure 4-35. GPCTR0_SOURCE Signal Timing The maximum allowed frequency is 20 MHz, with a minimum pulse width of 23 ns high or low . There is no minimum freq uency limitation. The 20 MHz or 100 kHz timebase normally generates the GPCTR0_SOURCE sig[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-45 PCI-6023E/6024E/6025E User Manual Figure 4 -36 shows the timing requirements for the GPCTR0_GA TE signal. Figure 4-36. GPCTR0_GA TE Signal Timing in Edge-Detection Mode GPCTR0_OUT Signal This signal is available only as an output on the GPCTR0_OUT pin. The GPCTR0_OUT signal refle[...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-46 © National Instruments Corporation GPCTR1_SOURCE Signal Any PFI pin can ex ternally input the GPCTR1_SOURCE sign al, which is available as an output on the PFI3/GPCTR1_SOURCE pin. As an input, the GPCTR1_SOURCE signal is conf igured in the edge-detection mode. Y ou can select any [...]

Chapter 4 Signal Connections © National Instruments Corporation 4-47 PCI-6023E/6024E/6025E User Manual As an output, the GPCTR1_GA TE signal monitors the actual gate signal connected to general-purpose counter 1. This is true e ven if the g ate is being externally generated b y another PFI. This output is set to tri-state at startup. Figure 4 -39 [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-48 © National Instruments Corporation leave the DIO7 pin free for general use. Figure 4-41 shows the timing requirements for the GATE and SOURCE input signals and the timing specifications for the OUT output signals of your board. Figure 4-41. GPCTR T iming Summar y The GA TE and OUT[...]

Chapter 4 Signal Connections © National Instruments Corporation 4-49 PCI-6023E/6024E/6025E User Manual arrangement results in an uncertainty of one source clock period with respect to unsynchronized gating sources. The OUT output timing parameters are referenced to the signal at the SOURCE input or to one of the internally generated clock signals [...]

Chapter 4 Signal Connections PCI-6023E/6024E/6025E User Manual 4-50 © National Instruments Corporation The following recommendations apply for all signal connections to your board: • Separate board signal lines from high-current or high-voltage lines. These lines can induce currents in or voltages on the board signal lines if they run in paralle[...]

© National Instruments Corporation 5-1 PCI-6023E/6024E/6025E User Manual 5 Calibration This chapter discusses the calibration procedures for your board. If you are using the NI-DAQ device driver, that software includes calibration functions for performing al l of the steps in the calibration process. Calibration refers to the process of minimizing[...]

Chapter 5 Calibration PCI-6023E/6024E/6025E User Manual 5-2 © National Instruments Corporation vary with time and temperature. It is better to self-calibrate when the board is installed in the en vironment in which it will be used. Self-Calibration Your board can measure and correct for almost all of its calibration-related errors without any exte[...]

Chapter 5 Calibration © National Instruments Corporation 5-3 PCI-6023E/6024E/6025E User Manual Other Considerations The CalDACs adjust the gain error of each analog output channel by adjusting the value of the reference voltage supplied to that channel. This calibration mechanism is designed to work only with the internal 10 V reference. Thus, in [...]

© National Instruments Corporation A-1 PCI-6023E/6024E/6025E User Manual A Specifications This appendix lists the specif ications of PCI-6023E, PCI-6024E, and PCI-6025E boards. These specifications are typical at 25° C unless otherwise noted. Analog Input Input Characteristics Number of channels ................ .............. . 16 single-ended o[...]

Appendix A Specifications PCI-6023E/6024E/6025E User Manual A-2 © National Instruments Corporation Overvoltage protection FIFO buffer size....................... ........... ....512 S Data transfers ...................... ........... .........DMA, interrupts, programmed I/O DMA modes ............................ .............. .Scatter-gather (Sin[...]

Appendix A Specifications © National Instruments Corporation A-3 PCI-6023E/6024E/6025E User Manual T ransfer Characteristics Relative accuracy ................................... ±0.5 LSB typ dithered, ±1.5 LSB max undithered DNL ....................... .............. .............. .... ±0.5 LSB typ, ±1.0 LSB max No missing codes ............[...]

Appendix A Specifications PCI-6023E/6024E/6025E User Manual A-4 © National Instruments Corporation Dynamic Characteristics Bandwidth Settling time for full scale step ........... ....5 µ s max to ±1.0 LSB accuracy System noise (LSBrms, not including quantization) Crosstalk ......... ........... ........... .............. ....–60 dB, DC to 100 [...]

Appendix A Specifications © National Instruments Corporation A-5 PCI-6023E/6024E/6025E User Manual Type of DAC ................... ................ ....... Double buffered, multiplying FIFO buffer size ....... ........... ........... ....... none Data transfers .................... .............. ....... DMA, interrupts , programmed I/O DMA modes [...]

Appendix A Specifications PCI-6023E/6024E/6025E User Manual A-6 © National Instruments Corporation V oltage Output Range .............. ........... ........... ............ ......± 10 V Output coupling ......... ........... ............ .. ....DC Output impedance ............ ........... ........... .0.1 Ω max Current drive ....................[...]

Appendix A Specifications © National Instruments Corporation A-7 PCI-6023E/6024E/6025E User Manual DIO<0..7> Digital logic lev els Power -on state ........ .............. ........... ....... Input (High-Z), 50 k Ω pull up to + 5V DC Data transfers ............... .............. ........... . Programmed I/O P A<0..7>,PB<0..7>,PC[...]

Appendix A Specifications PCI-6023E/6024E/6025E User Manual A-8 © National Instruments Corporation PB<0..7> .............. ............ ... ........... .........Input (High-Z), 100 k Ω pull up to + 5V DC PC<0..7> .............. ... ............ ........... ... ......Input (High-Z), 100 k Ω pull up to + 5V DC Data transfers ........[...]

Appendix A Specifications © National Instruments Corporation A-9 PCI-6023E/6024E/6025E User Manual Pulse width .......... .............. ............ ......... 10 ns min RT SI Trigger lines ...................... ............ ......... 7 Calibration Interval ............. ............... ........... ........... . 1 year Onboard calibration referen[...]

© National Instruments Corporation B-1 PCI-6023E/6024E/6025E User Manual B Custom Cabling and Optional Connectors This appendix describes the v arious cabling and connector options for the boards. Custom Cabling National Instruments offers cables and accessories for you to prototype your application or to use if yo u frequently change board interc[...]

Appendix B Custom Cabling and Optional Connectors PCI-6023E/6024E/6025E User Manual B-2 © National Instruments Corporation ♦ PCI-6025E AMP 100-position IDC male connector (part number 1-750913-9) AMP backshell, 0.50 max O.D. cable (part number 749081-1) AMP backshell, 0.55 max O.D. cable, (part number 749854-1) Optional Connectors Figure B -1 sh[...]

Appendix B Custom Cabling and Optiona l Connectors © National Instruments Corporation B-3 PCI-6023E/6024E/6025E User Manual Figure B-1. 68-Pin E Series Connector Pin Assignments FREQ_OUT GPCTR0_OUT PFI9/GPCTR0_GATE DGND PFI6/WFTRIG PFI5/UPDATE* DGND +5 V DGND PFI1/TRIG2 PFI0/TRIG1 DGND DGND +5 V DGND DIO6 DIO1 DGND DIO4 RESERVED DAC1OUT 1 DAC0OUT [...]

Appendix B Custom Cabling and Optional Connectors PCI-6023E/6024E/6025E User Manual B-4 © National Instruments Corporation Figure B -2 shows the pin assignments for the 68-pin extended digital input connector . This is the other 68-pin connector av ailable when you use the SH1006868 cable assembly with the PCI-6025E. Figure B-2. 68-Pin Extended Di[...]

Appendix B Custom Cabling and Optiona l Connectors © National Instruments Corporation B-5 PCI-6023E/6024E/6025E User Manual Figure B -3 shows the pin assignments for the 50-pin E Series connector . This connector is available when you use the SH6850 or R 6850 cable assemblies with the PCI-6023E and PCI-6024E. It is also one of the two 50-pin conne[...]

Appendix B Custom Cabling and Optional Connectors PCI-6023E/6024E/6025E User Manual B-6 © National Instruments Corporation Figure B -4 shows the pin assignments for the 50-pin extended digital input connector . This is the other 50-pin connector av ailable when you use the R1005050 cable assembly w ith the PCI-6025E. Figure B-4. 50-Pin Extended Di[...]

© National Instruments Corporation C-1 PCI-6023E/6024E/6025E User Manual C Common Questions This appendix contains a list of commonly asked questions and their answers relating to usage and special features of your board. General Information What is the D A Q-STC? The D A Q-STC is the System T iming Control application-specific integrated circuit [...]

Appendix C Common Questions PCI-6023E/6024E/6025E User Manual C-2 © National Instruments Corporation Installation and Configuration How do I set the base address f or a my board? The base address of your board is assigned automatically through the PCI bus protocol. This assignment is completely transparent to you. What jumpers should I be awar e o[...]

Appendix C Common Questions © National Instruments Corporation C-3 PCI-6023E/6024E/6025E User Manual Can I synchronize a one-channel analog input data acquisition with a one-channel analog output wa vef orm generation on my PCI E Series board? Y es. One way to accomplish this is to use the wav eform generation timing pulses to control the analog i[...]

Appendix C Common Questions PCI-6023E/6024E/6025E User Manual C-4 © National Instruments Corporation are 24-bit counters (unlike the 16-bit counters on boards without the DAQ - S T C ) . If you are using the NI-D A Q language interface or LabW indows/CVI, the answer is no, the counter/timer applications that you wrote pre viously will not work wit[...]

Appendix C Common Questions © National Instruments Corporation C-5 PCI-6023E/6024E/6025E User Manual may ha ve pull-up or pull-do wn resistors connected to them as sho wn in T able 4-2. These resistors weakly pull the output to either a logic high or logic low state. For e xample, DIO(0) will be in t he high impedance state after power on, and T a[...]

© National Instruments Corporation D-1 PCI-6023E/6024E/6025E User Manual D Customer Communication For your con venience, this appendix contains forms to help you gather the information necessary to help us solv e your tech nical problems and a form you can use to comment on the product documentation. When you contact us, we need the information on[...]

PCI-6023E/6024E/6025E User Manual D-2 © National Instruments Corporation Fax-on-Demand Support Fax-on-Demand is a 24-hour information retrie val system containing a library of documents on a wide range of technical information. Y ou can access Fax-on-Demand from a touch-tone telephone at 512 418 1111. E-Mail Support (Currently USA Only) Y ou can s[...]

T echnical Support Form Photocopy this form and update it each time you mak e changes to your software or hardware, and use the completed copy of this form as a reference for your current conf iguration. Completing this form accurately before contacting National Instruments for technical support helps our applications engineers answer your question[...]

PCI-6023E/6024E/6025E Hardware and Software Configuration Form Record the settings and re visions of your hardware and softw are on the line to the right of each item. Complete a ne w cop y of this form each time you re vise your software or hardware conf iguration, and use this form as a reference for your current conf iguration. Completing this f[...]

Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our pro ducts. This information helps us provide quality products to meet your needs. Ti tl e : PCI-6023E/6024E/60 25E User Manual Edition Date: October 1998 Part Number: 322072A-01 Please comment on the completeness, clarity , and or ganiza[...]

© National Instruments Corporation G-1 PCI-6023E/6024E/6025E User Manual Glossar y Pref ix Meanings V alue p- pico 10 –1 2 n- nano- 10 –9 µ- micro- 10 –6 m- milli- 10 –3 k- kilo- 10 3 M- mega- 10 6 G- giga- 10 9 t- tera- 10 12 Numbers/Symbols % percent + positi ve of, or plus – negati ve of, or min us /p e r °d e g r e e Ω ohm A A am[...]

Glossary PCI-6023E/6024E/6025E User Manual G-2 © National Instruments Corporation A/D analog-to-digital ADC analog-to-digital conv erter—an electronic de vice, often an integrated circuit, that con verts an analog voltage to a digital number ADC resolut ion the resolution of the ADC, which is measured in bits. An ADC with 16 bits has a higher re[...]

Glossary © National Instruments Corporation G-3 PCI-6023E/6024E/6025E User Manual base address a memory address that serv es as the starting address for programmable registers. All other addresses are located b y adding to the base address. BIOS basic input/output system—B IOS functions are the fundamental le v el of any PC or compatible compute[...]

Glossary PCI-6023E/6024E/6025E User Manual G-4 © National Instruments Corporation common-mode range the input range o ver which a circuit can handle a common-mode signal common-mode signal the mathematical av erage voltage, relati ve to the computer’ s ground, of the signals from a dif f erential input con v ersion time the time required, in an [...]

Glossary © National Instruments Corporation G-5 PCI-6023E/6024E/6025E User Manual dB decibel—the unit for expressing a logarithmic measure of the ratio of tw o signal lev els: dB=20log1 0 V1/V 2, for signals in volts DC direct current DC coupled allowing the transmission of both A C and DC signals DGND digital ground signal DIFF diff erential mo[...]

Glossary PCI-6023E/6024E/6025E User Manual G-6 © National Instruments Corporation EXTSTR OBE external strobe signal F FIFO first-in f irst-out memory buf fer—the first data stored is the f irst data sent to the acceptor . FIFOs are often used on D A Q devices to temporarily store incoming or outgoing data until that data can be retrie ved or out[...]

Glossary © National Instruments Corporation G-7 PCI-6023E/6024E/6025E User Manual GPCTR0_OUT general purpose counter 0 output signal GPCTR0_SOURCE general purpose counter 0 clock source signal GPCTR0_UP_DOWN general purpose counter 0 up down GPCTR1_GA TE general purpose counter 1 gate signal GPCTR1_OUT general purpose counter 1 output signal GPCTR[...]

Glossary PCI-6023E/6024E/6025E User Manual G-8 © National Instruments Corporation input bias current the current that flows into the inputs of a circuit input impedance the resistance and capacitance between the input terminals of a circuit input offset current the dif ference in the input bias currents of the two inputs of an instrumentation ampl[...]

Glossary © National Instruments Corporation G-9 PCI-6023E/6024E/6025E User Manual L LabVIEW laboratory virtual instrument engineering workbench LED light-emitting diode library a file containing compiled object modules, each comprised of one of more functions, that can be linked to other object modules that make use of these functions. NID A QMSC.[...]

Glossary PCI-6023E/6024E/6025E User Manual G-10 © National Instruments Corporation noise an undesirable electrical signal—N oise comes from external sources such as the A C po wer line, motors, generators, transformers, fluorescent lights, soldering irons, CR T displays, computers, electrical storms, welders, radio transmitters, and internal sou[...]

Glossary © National Instruments Corporation G-11 PCI-6023E/6024E/6025E User Manual PFI0/TRIG1 PFI0/trigger 1 PFI1/TRIG2 PFI1/trigger 2 PFI2/CONVER T* PF I2/con vert PFI3/GPCTR1_ SOURCE PFI3/general purpose counter 1 source PFI4/GPCTR1_GA TE PFI4/general purpose counter 1 gate PFI5/UPDA TE* PFI5/update PFI6/WFTRIG PFI6/wa veform trigger PFI7/ST AR [...]

Glossary PCI-6023E/6024E/6025E User Manual G-12 © National Instruments Corporation pulse trains multiple pulses pulsed output a form of counter signal generation by which a pulse is outputted when a counter reaches a certain v alue Q quantization error the inherent uncertainty in digitizing an analog v alue due to the f inite resolution of the con[...]

Glossary © National Instruments Corporation G-13 PCI-6023E/6024E/6025E User Manual R TSI bus real-time system integration b us—t he National Instruments timing bus that connects D A Q boards directly , by means of connectors on top of the boards, for precise synchronization of functions S s seconds S samples sample counter the clock that counts [...]

Glossary PCI-6023E/6024E/6025E User Manual G-14 © National Instruments Corporation Shannon Sampling Theorem a law of sampling theory stating that if a continuous bandwidth-limited signal contains no frequency components higher than half the frequency at which it is sampled, then the original signal can be recovered without distortion S/H sample-an[...]

Glossary © National Instruments Corporation G-15 PCI-6023E/6024E/6025E User Manual T TC terminal count—the highest value of a counter T/H track-and-hold—a circuit that tracks an analog voltage and holds the v alue on command THD total harmonic distortion—the ratio of the total rms signal due to harmonic distortion to the ov erall rms signal,[...]

Glossary PCI-6023E/6024E/6025E User Manual G-16 © National Instruments Corporation V Vv o l t s V DC volts direct current VI virtual instrument—(1) a combination of hardware and/or software elements, typically used with a PC, that has the functionality of a classic stand-alone instrument (2) a LabVIEW softw are module (VI), which consists of a f[...]

© National Instruments Corporation I-1 PCI-6023E/6024E/6025E User Manual Index Numbers +5 V signal analog I/O pin assignments (table), 4-4 description (table), 4-4 self-resetting fuse, C-1 82C55A Programmable Peripheral Interface, 3-6 A A C H<0..15> signal description (table), 4-4 signal summary (table), 4-7 A C K* signal description (table)[...]

Index PCI-6023E/6024E/6025E User Manual I-2 © National Instruments Corporation A OGND signal description (table), 4-4 signal summary (table), 4-7 B bipolar input, 3-2 block diagram, 3-1 bulletin board support, D-1 C cables. See also I/O connectors. custom cabling, B-1 to B-2 field wiring considerations, 4-49 to 4-50 optional equipment, 1-6 calibra[...]

Index © National Instruments Corporation I-3 PCI-6023E/6024E/6025E User Manual digital I/O 82C55A Programmable Peripheral Interface for PCI-6025E, 3-6 changing DIO power -up state to pulled low , 4-24 to 4-25 common questions, C-3 to C-5 ov ervie w , 3-6 signal connections, 4-21 to 4-23 digital I/O specifications, A-6 to A-8 DIO<0..7>, A-7 P[...]

Index PCI-6023E/6024E/6025E User Manual I-4 © National Instruments Corporation description (table), 4-5 general-purpose timing signal connections, 4-47 signal summary (table), 4-8 GPCTR1_UP_DOWN signal, 4-47 to 4-49 ground-referenced signal sources description, 4-9 diff erential connections, 4-14 single-ended connections (NRSE configuration), 4-18[...]

Index © National Instruments Corporation I-5 PCI-6023E/6024E/6025E User Manual N NI-D A Q driv er software, 1-3 to 1-4 noise, en v iro nmental, 4-4 9 to 4-50 NRSE (nonreferenced single-ended) mode configuration, 4-10 description (table), 3-2 diff erential connections, 4-15 to 4-16 recommended configuration (figure), 4-12 single-ended connections f[...]

Index PCI-6023E/6024E/6025E User Manual I-6 © National Instruments Corporation PFIs (programmable fun ction inputs) common questions, C-4 to C-5 signal routing, 3-7 to 3-8 timing connections, 4-31 to 4-32 PGIA (program m able gain instrumentation amplifier) analog input modes, 4-10 to 4-11 diff erential connections ground-referenced signal sources[...]

Index © National Instruments Corporation I-7 PCI-6023E/6024E/6025E User Manual summary of input connections (table), 4-12 types of signal sources, 4-8 to 4-9 analog out put, 4-20 digital I/O, 4-21 to 4-23 all boards, 4-21 to 4-22 PCI-6025E on ly , 4-2 2 to 4-23 power -up state, 4-24 to 4-25 field wiring considerations, 4-49 to 4-50 I/O connectors,[...]

Index PCI-6023E/6024E/6025E User Manual I-8 © National Instruments Corporation P A<0..7>, PB<0..7>, PC<0..7>, A-7 to A-8 operating en vironment, A-9 physical, A-9 power requirement, A-9 storage en vironment, A-9 timing I/O, A-8 triggers, A-8 to A-9 digital trigger , A-8 to A-9 R TSI trigger , A-9 ST AR TSCAN signal, 4-36 to 4-38 [...]

Index © National Instruments Corporation I-9 PCI-6023E/6024E/6025E User Manual V VCC signal (table), 4-7 V irtualBench software, 1-3 voltage output specif i cations, A-6 W wa veform generation, questions about, C-2 to C-3 wa v eform generation timing connection s, 4-40 to 4-43 UISOURCE signal, 4-42 to 4-43 UPD A TE* signal, 4-41 to 4-42 WFTRIG sig[...]