Manuale d’uso / di manutenzione del prodotto AT E Series del fabbricante National Instruments
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DAQ AT E Series User Manual Multifunction I/O Devices for the PC AT A T E Series User Manual May 2002 Edition Part Number 370507 A-01.
Support 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 Off.
Important Information Warranty The AT E Series devices are 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 opti on, repair or replace equipment that proves to be defective during the warranty period.
Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interf erence.
Canadian Depart ment of Communicati ons This Class B digital apparatus meets all requirements of the Canadian I nterference-Causing Equipment Regulations. Cet appareil num é rique de la classe B respecte toutes les exigences du R è gleme nt sur le mat é r iel brouilleur du Canada.
© National Instruments Corporation vii AT E Series User Manual Contents About This Manual Conventions ............ ........... .............. ............ ........... .............. ........... ............ .............. .... x i National Instruments Documentation .
Contents AT E Series User Manual viii ni.com Dither ..... .............. ............ ........... ........... .............. ............ ........... .............. ...... 3-10 Multiple-Channel Scanning Considerations ................. .............. .
Contents © National Instruments Corporation ix AT E Series User Manual SISOURCE Signal ............ .............. ............ .............. ........... ............. 4-39 SCANCLK Signal ............. ............ .............. ........... .......
Contents AT E Series User Manual x ni.com Appendix D Technical Support and Professional Services Glossary Index.
© National Instruments Corporation xi A T E Series User Manual About This Manual This manual describes the electrical and mechanical aspects of each de vice in the A T E Series product line and contains informati on concerning their operation and programming.
About This Man ual A T E Series User Manual xii ni.com bold Bold text denotes items that you must select or click in the software, such as menu items and dialog box opti ons. Bold text also denotes parameter names. italic Italic text denotes v ariables, emphasis, a cross reference, or an introduction to a key concept.
About This Manual © National Instruments Corporation xiii A T E Series User Manual or the NI-D A Q documentation to help you wri te your application. If you hav e a large and complicated system, it is worthwhil e to look through the software documentation before you configure the hardware.
© National Instruments Corporation 1-1 A T E Series User Manual 1 Introduction This chapter describes the AT E Series devices, lists what you need to get started, describes the optional s oftware and optional equi pment, and explains how to u npack the AT E Series device.
Chapter 1 Introduction A T E Series User Manual 1-2 ni.com interface and a ribbon cable to route timing and trigg er signals between se v eral functions on as many as f i v e D A Q de vices in the PC.
Chapter 1 Introduction © National Instruments Corporation 1-3 A T E Series User Manual Software Programming Choices When programming National Instrumen ts DAQ hardware, you can use an NI application development environment (ADE) or other ADEs. In either case, you use NI-DAQ.
Chapter 1 Introduction A T E Series User Manual 1-4 ni.com National Instruments ADE Software LabVIEW features interactive graphics, a state-of-the-art interfac e, and a powerful graphical programming language.
Chapter 1 Introduction © National Instruments Corporation 1-5 A T E Series User Manual Optional Equipment NI offers a variety of products to use with the AT E Series device, including cables, connect.
Chapter 1 Introduction A T E Series User Manual 1-6 ni.com Unpacking The A T E Series de vice is shipped in an antistatic package to prevent electrostatic damage to the device. Electrostatic discharge can damage several components on t he device. Caution Never touch the exposed pins of connectors.
Chapter 1 Introduction © National Instruments Corporation 1-7 A T E Series User Manual pollution degree stated in Appendix A , S pecifications . Pollution is foreig n matter in a solid, liquid, or gaseous state that can produce a reduction of dielectric strength or surface resisti vity .
Chapter 1 Introduction A T E Series User Manual 1-8 ni.com • Installation Category III is for measurements performed i n the building installation. This category is a distribution le vel referring to hardwired equipment that does not rely on standard building insulation.
© National Instruments Corporation 2-1 A T E Series User Manual 2 Installing and Configuring the Device This chapter explains how to install and con figure the AT E Series device. Installing the Software Complete the followi ng steps to install th e software befor e installing the DAQ device.
Chapter 2 Installing and Configuring the Device A T E Series User Manual 2-2 ni.com 6. Insert the A T E Series device into an EISA or 16-bi t ISA slot. It may be a tight fit, but do not force the de vice into place. 7. Scre w the mounting bracket of the A T E Series de vice to the back panel rail of the computer .
Chapter 2 Installing and Configuring the Device © National Instruments Corporation 2-3 A T E Series User Manual Application software can query the Conf iguration Manager to determine the resources assigned to each device without your in volvement.
Chapter 2 Installing and Configuring the Device A T E Series User Manual 2-4 ni.com The following tables provide information con cerning possible conflicts when configuring the AT E Series device.
Chapter 2 Installing and Configuring the Device © National Instruments Corporation 2-5 A T E Series User Manual 380 to 38C SDLC Communications 380 to 389 Bisynchronous (BSC) Communi cations (alternat.
Chapter 2 Installing and Configuring the Device A T E Series User Manual 2-6 ni.com Note EISA computers also have channels 0 – 3 av ailable as 16-bit DMA channels.
© National Instruments Corporation 3-1 A T E Series User Manual 3 Hardware Over view This chapter presents an ov erview of the hardware functions on the AT E Series device. Figure 3-1 shows the block diagram for the A T-MIO-16E-1 and A T -MIO-16 E-2.
Chapter 3 Hardware Over view A T E Series User Manual 3-2 ni.com Figure 3-2 shows the block diagram for the A T-MIO-6 4E-3. Figure 3-2. A T-MIO-64E-3 Block Diagram Timing PFI / Trigger I/O Connector 3.
Chapter 3 Hardware Over view © National Instruments Corporation 3-3 A T E Series User Manual Figure 3-3 shows the block diagram for the A T-MIO-1 6E-10 and A T -MIO-16D E-10.
Chapter 3 Hardware Over view A T E Series User Manual 3-4 ni.com Figure 3-4 shows a block diagram for t he A T-MIO-16XE-10. Figure 3-4. A T-MIO-16XE-10 Block Diagram Timing PFI / Trigger I/O Connector.
Chapter 3 Hardware Over view © National Instruments Corporation 3-5 A T E Series User Manual Figure 3-5 shows a block diagram for t he A T- AI-1 6XE-10.
Chapter 3 Hardware Over view A T E Series User Manual 3-6 ni.com Figure 3-6 shows a block diagram for t he A T-MIO-16XE-50. Figure 3-6. A T -MIO-16XE-50 Block Diagram Analog Input The AI section of each AT E Series device is software configurable.
Chapter 3 Hardware Over view © National Instruments Corporation 3-7 A T E Series User Manual 12 channels — four differentially configured channels and eight single-ended channels.
Chapter 3 Hardware Over view A T E Series User Manual 3-8 ni.com A T-MIO -16E-10, and A T-MIO-16DE-10 hav e gains of 0.5, 1, 2, 5, 10, 20, 50, and 100 and are suited for a wid e variety of signal le v els. W ith the proper gain setting, you can use the full resoluti on of the ADC to measu re the input signal.
Chapter 3 Hardware Over view © National Instruments Corporation 3-9 A T E Series User Manual Note Y o u can calibrate the A T-MIO-16XE-10, A T -AI-16XE-10, and A T-MIO-16XE-50 AI circuitry for either a unipolar or bipolar polarity .
Chapter 3 Hardware Over view A T E Series User Manual 3-10 ni.com Considerations for Selecting Input Ranges Which input polarity and range you select depen ds on the expected range of the incoming signal. A large input range can accommodate a large signal variation but reduces the voltag e resolution.
Chapter 3 Hardware Over view © National Instruments Corporation 3-11 A T E Series User Manual Figure 3-7. Dither Y ou cannot disable dither on the A T-MIO -16XE-10, A T -AI-16 XE-10, or A T-MIO -16XE-50. This is because the resolution of the ADC is so f ine that the ADC and the PGIA inherentl y produce almost 0.
Chapter 3 Hardware Over view A T E Series User Manual 3-12 ni.com When scanning among channels at v arious gains, the settling times may increase. When the PGIA switches to a higher gain, the signal on the pre vious channel may be well outsi de the new , smaller range.
Chapter 3 Hardware Over view © National Instruments Corporation 3-13 A T E Series User Manual Analog Output ♦ A T-MIO -16E-1, A T-MIO-16E-2, A T-MIO-64E-3, A T-MIO-16E-10, an d A T -MIO-16D E-10 The A T E Series devices supply two channels of A O voltage at the I/O connector .
Chapter 3 Hardware Over view A T E Series User Manual 3-14 ni.com Selecting a bipolar range for a particul ar D A C means that any data written to that D AC is interpreted as two ’ s compl ement format. In two ’ s complement mode, data v alues written to the A O channel can be either positi ve or ne gati v e.
Chapter 3 Hardware Over view © National Instruments Corporation 3-15 A T E Series User Manual the full-scale range of the selected channel, and the resolution is that range di vided by 256 for the A T -MIO-16E-1, A T-MIO-16E-2, and A T -MIO -64E-3, and di vided b y 4,096 fo r the A T -MIO-16XE-10 and A T -AI-16XE-10.
Chapter 3 Hardware Over view A T E Series User Manual 3-16 ni.com Figure 3-9. Below-Low-Level Analog T riggering Mode In abov e-high-le v el analog triggering mode, the trigger is generated when the signal value is greater than highValue . LowValue is unused.
Chapter 3 Hardware Over view © National Instruments Corporation 3-17 A T E Series User Manual In high-hysteresis analog triggering mode, the trigger is generated when the signal v alue is greater than highV alue , with the hysteresis specified b y lowValue .
Chapter 3 Hardware Over view A T E Series User Manual 3-18 ni.com Digital I/O The AT E Series devices contai n eight lines of DIO for general-purpose use. You can individually configure each line through software for either input or output. The AT-MIO-16 DE-10 has 24 additional DIO lines, configured as three 8-bit ports: PA<0.
Chapter 3 Hardware Over view © National Instruments Corporation 3-19 A T E Series User Manual Figure 3-14. CONVER T* Signal Routing This figure sho ws th at CONVER T* can be generated from a number of sources, including the external signals R TSI<0.
Chapter 3 Hardware Over view A T E Series User Manual 3-20 ni.com Programmable Function Inputs The 10 PFIs are connected to the signal routing multiplexer for each timing signal, and software can select one of the PFIs as the external source for a given timing signal.
Chapter 3 Hardware Over view © National Instruments Corporation 3-21 A T E Series User Manual Figure 3-15. RTSI Bus Signal Connectio n Refer to the Timing Connections sect ion of Chapter 4, Co nnecting Signals , for a description of the signals sho wn in Figure 3-15.
© National Instruments Corporation 4-1 A T E Series User Manual 4 Connecting Signals This chapter describes how to make input and output signal connections to the AT E Series device using t he device I/O connect or.
Chapter 4 Connecting Signals A T E Series User Manual 4-2 ni.com Figure 4-1. I/O Connector Pin Assignment for the A T-MIO-16E-1, A T-MIO-16E-2, A T-MIO-16E-10, A T-MIO-16XE-10, A T -AI-16XE-10, and A .
Chapter 4 Connecting Signals © National Instruments Corporation 4-3 A T E Series User Manual Figure 4-2. I/O Connector Pin Assignment for the A T-MIO-64E-3 50 100 49 99 48 98 47 97 46 96 45 95 44 94 .
Chapter 4 Connecting Signals A T E Series User Manual 4-4 ni.com Figure 4-3. I/O Connector Pin Assignment for the A T-MIO-16DE-10 50 100 49 99 48 98 47 97 46 96 45 95 44 94 43 93 42 92 41 91 40 90 39 .
Chapter 4 Connecting Signals © National Instruments Corporation 4-5 A T E Series User Manual I/O Connector Signal Descriptions Table 4-2. I/O Signal Summar y for the A T E Series Signal Name Referenc.
Chapter 4 Connecting Signals A T E Series User Manual 4-6 ni.com PA < 0 . . 7 > DGND Input or Output Port A — These pins are port A of the extra digital I/O signals on the A T-MIO-16DE-10. PB<0..7> DGND Input or Output Port B — These pins are port B of the extra digital I/O signals on the A T-MIO-16DE-10.
Chapter 4 Connecting Signals © National Instruments Corporation 4-7 A T E Series User Manual PFI3/GPCTR1_SOURCE DGND Input Output PFI3/Counter 1 Source — As an input, this is one of the PFIs. As an output, this is the GPCTR1_SOURCE signal. This signal reflects the actua l source connected to the general-purpose counter 1 .
Chapter 4 Connecting Signals A T E Series User Manual 4-8 ni.com GPCTR0_OUT DGND Output Counter 0 Output — This output is from the general- purpose counter 0 output. FREQ_OUT DGND Output Frequency Output — This output is from the frequenc y generator ou tput.
Chapter 4 Connecting Signals © National Instruments Corporation 4-9 A T E Series User Manual PFI1/TRIG2 DIO — V cc +0.5 3.5 at (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu PFI2/CONVER T * DIO — V cc +0.5 3.5 at (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu PFI3/GPCTR1_SOURCE DIO — V cc +0.
Chapter 4 Connecting Signals A T E Series User Manual 4-10 ni.com Table 4-4. I/O Signal Summary for the A T-MIO-16E-10 and A T-MIO-16DE-10 Signal Name Driv e Impedance Input/ Output Protection (V olts) On/Off Sour ce (mA at V) Sink (mA at V) Rise Tim e (ns) Bias A CH<0.
Chapter 4 Connecting Signals © National Instruments Corporation 4-11 A T E Series User Manual PFI4/GPCTR1_GA TE DIO — V cc +0.5 3.5 a t (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu GPCTR1_OUT DO — — 3.5 at (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu PFI5/UPD A TE* DIO — V cc +0.
Chapter 4 Connecting Signals A T E Series User Manual 4-12 ni.com Table 4-5. I/O Signal Summary for the A T -MIO-16XE-10 and A T -AI-16XE-10 Signal Name Drive Impedance Input/ Output Prot ection (V olts) On/Off Source (mA at V) Sink (mA at V) Rise Tim e (ns) Bias A CH<0.
Chapter 4 Connecting Signals © National Instruments Corporation 4-13 A T E Series User Manual PFI6/WFTRIG DIO — V cc +0.5 3.5 at (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu PFI7/ST AR TSCAN DIO — V cc +0.5 3.5 a t (V cc – 0.4) 5a t0 . 4 1.5 50 k Ω pu PFI8/GPCTR0_SOURCE DIO — V cc +0.
Chapter 4 Connecting Signals A T E Series User Manual 4-14 ni.com VCC DO 0.1 Ω Short-circuit to ground 1A — — — DIO<0..7> DIO — V cc +0.5 13 at (V cc – 0.4) 24 at 0.4 1.1 50 k Ω pu 1 SCANCLK DO — — 3.5 at (V cc – 0.4) 5a t0 .
Chapter 4 Connecting Signals © National Instruments Corporation 4-15 A T E Series User Manual Analog Input Signal Connections ♦ A T -MIO-16 E-1, ΑΤ -MIO-16E-2, A T-MIO-16E-10, A T-M IO-16DE-10, A T -MIO-16XE -10, A T -AI- 16XE-10, and A T-MI O-16XE-50 The AI signals are A CH<0.
Chapter 4 Connecting Signals A T E Series User Manual 4-16 ni.com In NRSE mode, the AISENSE and AISENSE2 signal s are connected internally to the negati ve input of the A T E Series device PGIA when their corresponding channels are selected. In DIFF and RSE modes, these signals are left unconnected.
Chapter 4 Connecting Signals © National Instruments Corporation 4-17 A T E Series User Manual Y ou must reference all signals to ground either at the source de vice or at the de vice. If you hav e a floating source, you should reference the signal to ground by using the RSE input mode or the DIFF in put configuration with bias resistors.
Chapter 4 Connecting Signals A T E Series User Manual 4-18 ni.com Input Configurations You can configure the AT E Series device for one of three input modes — NRSE, RSE, o r DIFF.
Chapter 4 Connecting Signals © National Instruments Corporation 4-19 A T E Series User Manual Figure 4-5. Summar y of Analog Input Connections + – + – V 1 ACH AISENSE AIGND + – + – V 1 ACH AISENSE AIGND R See text f or information on bias resistors.
Chapter 4 Connecting Signals A T E Series User Manual 4-20 ni.com Differential Connection Considerations (DIFF Input Configuration) A differential connection is o ne in which the AT E Series device A I signal has its own reference signal or signal return path.
Chapter 4 Connecting Signals © National Instruments Corporation 4-21 A T E Series User Manual Differential Connections for Ground-Referenced Signal Sources Figure 4-6 shows how to connect a ground-referenced signal source t o an AT E Series device channel configured in DIFF input mode.
Chapter 4 Connecting Signals A T E Series User Manual 4-22 ni.com Differential Connections for Nonreferenced or Floating Signal Sources Figure 4-7 shows how t o connect a floating s ignal source to an AT E Series device channel config ured in DIFF input mode.
Chapter 4 Connecting Signals © National Instruments Corporation 4-23 A T E Series User Manual as to the neg ati ve input of the PGIA, without any resistors at all. This connection works well for DC-coupled sources wit h low source impedance (less than 100 Ω ).
Chapter 4 Connecting Signals A T E Series User Manual 4-24 ni.com Single-Ended Connection Considerations A single-ended connection is one in which the AT E Series device AI signal is referenced to a g round that can be shared with other input signals.
Chapter 4 Connecting Signals © National Instruments Corporation 4-25 A T E Series User Manual Single-Ended Connections for F loating Signal Sources (RSE Configuration) Figure 4-8 shows how t o connect a floating s ignal source to an AT E Series device channel con figured for RSE mode.
Chapter 4 Connecting Signals A T E Series User Manual 4-26 ni.com Figure 4-9 shows ho w t o connect a grounded signal source to an A T E Series dev ice channel configured for NRSE mode.
Chapter 4 Connecting Signals © National Instruments Corporation 4-27 A T E Series User Manual that (V in +) + (V in – ) added to the gain times (V in +) – (V in – ) must be within ±26 V of AIGND. At gains of 10 and 100, this is roughly equivalent to restricting the two input voltages to within ±8 V of AIGND.
Chapter 4 Connecting Signals A T E Series User Manual 4-28 ni.com Figure 4-10. AO Connections The external referenc e signal can be either a DC or an AC signal. The de vice multiplies thi s reference signal by the D A C code (di vided by the full-scale D AC code) to generate the output v oltage.
Chapter 4 Connecting Signals © National Instruments Corporation 4-29 A T E Series User Manual Figure 4-11 sh o ws signal connections fo r three typical D IO applications. Figure 4-11. DIO Connections Figure 4-11 shows DIO<0..3> configured for digital input and DIO<4.
Chapter 4 Connecting Signals A T E Series User Manual 4-30 ni.com Caution Under no circumstances should you connect t hese +5 V po wer pins directly to analog or digital ground or to any other voltage source on the A T E Series d e vice or any other device.
Chapter 4 Connecting Signals © National Instruments Corporation 4-31 A T E Series User Manual Figure 4-12. TIO Connections Programmable Function Input Connections There are a total of 13 internal timing signals that you can externally control from the PFI pins.
Chapter 4 Connecting Signals A T E Series User Manual 4-32 ni.com depends upon the particular tim ing signal being controlled. The det ection requirements for each timing signal are listed within the section that discusses that individual signal. In edge-detection mod e, the minimum pulse width requi red is 10 ns.
Chapter 4 Connecting Signals © National Instruments Corporation 4-33 A T E Series User Manual Figure 4-14. T ypical Pretriggered Acquisition TRIG1 Signal Any PFI pin can externally input the TRIG1 signal, which is available as an output on the PFI0/TRIG1 pin.
Chapter 4 Connecting Signals A T E Series User Manual 4-34 ni.com Figures 4-15 and 4-16 sho w the input and output timing requiremen ts for the TRIG1 signal . Figure 4-15. TRIG1 Input Signal Timing Figure 4-16. TRIG1 Output Signal Timing The de vice also uses the TRIG1 signal to initiate pretriggered DA Q operations.
Chapter 4 Connecting Signals © National Instruments Corporation 4-35 A T E Series User Manual before TRIG2 can be recognized. After the scan counter decrements to zero, it is loaded with the number of posttrigger scans to acquire while the acquisition continu es.
Chapter 4 Connecting Signals A T E Series User Manual 4-36 ni.com ST ARTSCAN Signal Any PFI pin can externally input the STARTSCAN signal , which is available as an output on the PFI7/STARTSCAN pin. Refer to Figures 4-13 and 4-14 for the relations hip of ST AR TSCAN to the D A Q sequence.
Chapter 4 Connecting Signals © National Instruments Corporation 4-37 A T E Series User Manual Figure 4-20. ST ARTSCAN Output Signal Timing The CONVER T* pulses are masked off until the device generates the ST AR TSCAN signal.
Chapter 4 Connecting Signals A T E Series User Manual 4-38 ni.com CONVER T* Signal Any PFI pin can externally input th e CONVERT* signal, which is available as an output on the PFI2/CONVERT* pin. Refer to Figures 4-13 and 4-14 for the relationship of CON VER T* to the D A Q sequence.
Chapter 4 Connecting Signals © National Instruments Corporation 4-39 A T E Series User Manual The ADC switches to hold mode within 60 ns of the selected edge. This hold-mode delay time is a fu nction of temperature and does n ot v ary from one con v ersion to the next.
Chapter 4 Connecting Signals A T E Series User Manual 4-40 ni.com Either the 20 MHz or 100 kHz internal timebase generates the SISOURCE signal unless you select som e external source. Figure 4-23 shows the timing requirement s for the SISOURC E signal.
Chapter 4 Connecting Signals © National Instruments Corporation 4-41 A T E Series User Manual EXTSTROBE* Signal EXTSTROBE* is an output-only signal that generates either a single pulse or a sequence of eight pulses in the hardware-strobe mode. An external device can use this signal to latch signals or to trigger ev ents.
Chapter 4 Connecting Signals A T E Series User Manual 4-42 ni.com Figures 4-26 and 4-27 show the input and output timing requirements for the WFTRIG signal.
Chapter 4 Connecting Signals © National Instruments Corporation 4-43 A T E Series User Manual When using an external UPD A TE signal, you m ust apply at least one more external update pulse tha n the number of points that you want to generate.
Chapter 4 Connecting Signals A T E Series User Manual 4-44 ni.com UISOURCE Signal Any PFI pin can externally input the UISOURCE sign al, which is not available as an output on the I/O connector. The UI counter uses the UISOURCE signal as a clock to time the generation of the UPDATE* signal.
Chapter 4 Connecting Signals © National Instruments Corporation 4-45 A T E Series User Manual As an output, the GPCTR0_SOURCE signal reflects the actual clock connected to general-purpose coun ter 0, ev en if another PFI is externally inputting the source clock.
Chapter 4 Connecting Signals A T E Series User Manual 4-46 ni.com Figure 4-32 shows the timing requirements for the GPCTR0_GA TE signal. Figure 4-32. GPCTR0_GA TE Signal T iming in Edge-Detection Mode GPCTR0_OUT Signal This signal is available only as an outpu t on the GPCTR0_OUT pin.
Chapter 4 Connecting Signals © National Instruments Corporation 4-47 A T E Series User Manual GPCTR1_SOURCE Signal Any PFI pin can externally 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 configured in the edge-detection mode.
Chapter 4 Connecting Signals A T E Series User Manual 4-48 ni.com As an output, the GPCTR1_GA TE signal m onitors the actual gate signal connected to general-purpose counter 1, ev en if the gate is being e xternally generated by another PFI. This outp ut is set to high-i mpedance at startup.
Chapter 4 Connecting Signals © National Instruments Corporation 4-49 A T E Series User Manual leave the DIO7 pin free for general use. Figure 4-37 shows the timing requirements for the GATE and SOURCE input signals and the timing specifications for the OUT output signals of the AT E Series device.
Chapter 4 Connecting Signals A T E Series User Manual 4-50 ni.com If an internal timebase clock is used, the gate signal cannot be synchronized with the clock. In this case, gates applied close to a source edge take effect either on that source edg e or on the next one.
Chapter 4 Connecting Signals © National Instruments Corporation 4-51 A T E Series User Manual This section lists the timing speci fications for handshaking with the A T-MIO -16DE-10 port C circuit ry . The handshaking lines STB* and IB F synchronize input transfers.
Chapter 4 Connecting Signals A T E Series User Manual 4-52 ni.com Mode 1 Input Timing Figure 4-38 detail s the timing specifications for an input transfer in Mode 1.
Chapter 4 Connecting Signals © National Instruments Corporation 4-53 A T E Series User Manual Mode 1 Output Timing Figure 4-39 detail s the timing specificati ons for an o utput transfer in Mode 1.
Chapter 4 Connecting Signals A T E Series User Manual 4-54 ni.com Mode 2 Bidirectional Timing Figure 4-40 details the timing specifications for bidirectional transfers in Mode 2.
Chapter 4 Connecting Signals © National Instruments Corporation 4-55 A T E Series User Manual Field Wiring Considerations Environmental noise can seriously affect the accuracy of measurements made with the AT E Series device if yo u do not take proper care when running signal wires between sign al sources and the device.
© National Instruments Corporation 5-1 A T E Series User Manual 5 Calibrating the Device This chapter discusses the calibration procedures for the AT E S eries device. NI-DAQ inclu des calibration fun ctions for perform ing all of the steps in the calibration process.
Chapter 5 Calibrating the Device A T E Series User Manual 5-2 ni.com v ary with time and temperature. It is better to self-calibrate when the de vice is installed in the en vironment in which it is used.
Chapter 5 Calibrating the Device © National Instruments Corporation 5-3 A T E Series User Manual a 16-bit dev ice, the external reference should be at least ±0.001% (±10 ppm) accurate. For a detailed calibration procedure for the A T E Series device, refer to the E Series Calibra tion Procedure by clicking Manual Calibration Procedures at ni.
© National Instruments Corporation A-1 A T E Series User Manual A Specifications This appendix lists the specifi cations of each de vice in the A T E Series.
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 A T E Series User Manual A-2 ni.com Input signal ranges Input coupling .................. .............. .........DC Max working voltage (signal + common mode) .........
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 © National Instruments Corporation A-3 A T E Series User Manual T ransfer Characteristics Relative accuracy ................................... ±0.5 LSB typ dithered, ±1.
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 A T E Series User Manual A-4 ni.com Dynamic Characteristics Bandwidth Settling time for full-scale step Small Signal ( – 3d B) Large Signal (1% THD) A T -M IO-16E-1 1.
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 © National Instruments Corporation A-5 A T E Series User Manual System noise (LSB rms not i ncluding quantization) Crosstalk, DC to 100 k Hz Adjacent channels .........
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 A T E Series User Manual A-6 ni.com Non-FIFO mode waveform generation 1 channel ......................... .........800 kS/s (system dependent) 2 channel ................
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 © National Instruments Corporation A-7 A T E Series User Manual V oltage Output Ranges ...... .............. ........... ............ ......... ±10 V, 0 to 10 V, ±EXTREF, 0t oE X T R E F (software selectable) Output coupling.
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 A T E Series User Manual A-8 ni.com Digital I/O Number of channels ....................... .........8 input/output Compatibility ............. .............. ...........
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 © National Instruments Corporation A-9 A T E Series User Manual Min source pulse duration ............. ......... 10 ns in edge-detect mode Min gate pulse duration.....
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 A T E Series User Manual A-10 ni.com RT S I Trigger lines ........................ ........... .........7 Calibration Recommended warm-up time ..... ............15 min Calibration interval .
Appendix A Specifications for A T - MIO-16E-1, A T -MIO-16E-2, and A T -MIO-64E-3 © National Instruments Corporation A-11 A T E Series User Manual Maximum W orking V oltage Maximum working voltage refers to th e signal voltage plus the common-mode voltage.
Appendix A Specifications for A T -MIO- 16E-10 and A T -MIO-16DE-10 A T E Series User Manual A-12 ni.com appropriate product family , followed by th e product, and a link to the DoC appears in Adobe Acrobat format. Click the Acrobat icon to download or read the DoC.
Appendix A Specifications for A T -MIO-16E-10 and A T -MIO-16DE-10 © National Instruments Corporation A-13 A T E Series User Manual Inputs protected ............ ........... .............. . ACH<0..15>, AISENSE FIFO buffer size ........ .......
Appendix A Specifications for A T -MIO- 16E-10 and A T -MIO-16DE-10 A T E Series User Manual A-14 ni.com Input offset current .................. .............. .±100 pA CMRR (all input ranges) ............... .........90 dB, DC to 60 Hz Dynamic Characteristics Bandwidth S m a l ls i g n a l( – 3 dB) .
Appendix A Specifications for A T -MIO-16E-10 and A T -MIO-16DE-10 © National Instruments Corporation A-15 A T E Series User Manual Max update rate ....................... ........... .... 100 kS/s, system d ependent Type of DAC .....................
Appendix A Specifications for A T -MIO- 16E-10 and A T -MIO-16DE-10 A T E Series User Manual A-16 ni.com Output impedance ....................... ........... .0.1 Ω max Current drive .................... ........... ............±5 mA max Protection .
Appendix A Specifications for A T -MIO-16E-10 and A T -MIO-16DE-10 © National Instruments Corporation A-17 A T E Series User Manual Digital logic levels PA<0..7>, PB<0..7>, PC<0..7> ♦ (A T -MIO-16DE-1 0 only) Handshaking Modes (AT-MIO-16DE-10 only) .
Appendix A Specifications for A T -MIO- 16E-10 and A T -MIO-16DE-10 A T E Series User Manual A-18 ni.com T iming I/O Number of channels ................................2 up/down count er/timers, 1 frequency scaler Resolution Counter/timers ...........
Appendix A Specifications for A T -MIO-16E-10 and A T -MIO-16DE-10 © National Instruments Corporation A-19 A T E Series User Manual Calibration Recommended warm-up time ............ .... 15 min Calibration interval ... .............. ........... ....
Appendix A Specifications for A T -MIO- 16E-10 and A T -MIO-16DE-10 A T E Series User Manual A-20 ni.com Environmental Operating temperature ................... .........0 to 55 ° C Storage temperature .............. ............ ...... – 20 to 70 ° C Humidity .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 © National Instruments Corporation A-21 A T E Series User Manual A T -MIO-16XE-10 and A T -AI-16XE-10 Analog Input Input Characteristics Number of channels ..........................
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 A T E Series User Manual A-22 ni.com FIFO buffer size ............... .............. .........512 samples Data transfers ................ ........... .............. .DMA, interrupts, programmed I/O DMA modes .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 © National Instruments Corporation A-23 A T E Series User Manual CMRR, DC to 60 Hz Dynamic Characteristics Bandwidth All gains .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 A T E Series User Manual A-24 ni.com Crosstalk, DC to 100 k Hz Adjacent channels ............................ – 75 dB max All other channels ............. ........... .... – 90 dB max Stability Offset temperature coefficient Pregain .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 © National Instruments Corporation A-25 A T E Series User Manual Gain error (relative to internal reference) After calibration ......... .............. ....... ±30.5 ppm max Before calibration .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 A T E Series User Manual A-26 ni.com Power-on state .............. .............. ........... .Input (high-impedance) Data transfers ................ ........... .............. .Programmed I/O Max transfer rate (1 word = 8 bits) .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 © National Instruments Corporation A-27 A T E Series User Manual T riggers Analog T rigger Source.................. ............ .............. ......... ACH<0.. 15>, PFI0/TRIG1 Level.
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 A T E Series User Manual A-28 ni.com Calibration Recommended warm-up time ..... ............15 min Calibration interval ........................ .........1 year External calibration reference .
Appendix A Specifications for A T -MIO-16 XE-10 and A T -AI-16XE-10 © National Instruments Corporation A-29 A T E Series User Manual Environmental Operating temperature..................... ....... 0 to 55 ° C Storage temperature ............. .....
Appendix A Specifications for A T -MIO-16XE -50 A T E Series User Manual A-30 ni.com A T -MIO-16XE-50 Analog Input Input Characteristics Number of channels ....................... .........16 single-ended or 8 differential (software-selectable) Type of ADC .
Appendix A Spec ifications for A T -MIO-16XE- 50 © National Instruments Corporation A-31 A T E Series User Manual Data transfers ............... .............. ........... . DMA, interrupts, programmed I/O DMA modes ........ .............. ..........
Appendix A Specifications for A T -MIO-16XE -50 A T E Series User Manual A-32 ni.com CMRR, DC to 60 Hz Dynamic Characteristics Bandwidth Settling time for full-scale step Range CMRR (Bipolar) CMRR (Un.
Appendix A Spec ifications for A T -MIO-16XE- 50 © National Instruments Corporation A-33 A T E Series User Manual System noise (LSB rms incl uding quantization noise) Crosstalk, DC to 20 kH z Adjacent channels ........................... – 85 dB max All other channels .
Appendix A Specifications for A T -MIO-16XE -50 A T E Series User Manual A-34 ni.com Offset error After calibration............. .............. ....±0.5 mV max Before calibration ................ ........... .±85 mV max Gain error (relative to calibratio n reference) After calibration.
Appendix A Spec ifications for A T -MIO-16XE- 50 © National Instruments Corporation A-35 A T E Series User Manual Digital logic levels Power-on state .............. .............. ........... . Input (high-impedance) Data transfers ............... ..
Appendix A Specifications for A T -MIO-16XE -50 A T E Series User Manual A-36 ni.com Data transfers ................ ........... .............. .DMA, interrupts, programmed I/O DMA modes .................... ........... ............Single transfer T riggers Digital T rigger Compatibility .
Appendix A Spec ifications for A T -MIO-16XE- 50 © National Instruments Corporation A-37 A T E Series User Manual Physical Dimensions (not including connectors) ......... ........... . 33.8 by 9.9 cm ( 1 3 . 3b y3 . 9i n ) I/O connector..............
Appendix A Specifications for Maximum Signal Ratin gs for A T Series Devices A T E Series User Manual A-38 ni.com Electromagnetic Compatibility CE, C-Tick, and FCC Part 15 (Class A) Compliant Electrical emissions .................... ............EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical immunity .
Appendix A Specifications for Maximum Signal Ra tings for A T Series D evices © National Instruments Corporation A-39 A T E Series User Manual T est the Connections The easiest way to check the p roper limits of the I/ O signals is to measure them with a voltmeter.
Appendix A Specifications for Maximum Signal Ratin gs for A T Series Devices A T E Series User Manual A-40 ni.com If any signal should fall outside of the specified limits for any of the input signals, do not connect it to the D A Q device.
© National Instruments Corporation B-1 A T E Series User Manual B Optional Cable Connector Descriptions This appendix describes the conn ectors on the optional cabl es for the A T E S eries devices. Figure B-1 shows the pin assignments for the 68-pin MIO connecto r .
Appendix B Optional Cable Connector Descriptions A T E Series User Manual B-2 ni.com Figure B-1. 68-Pin MIO Connector Pin Assignments 1 Not available on AT-AI-16XE-10 2 Not available on AT-MIO-16XE-10.
Appendix B Optional Cable Connector Descriptions © National Instruments Corporation B-3 A T E Series User Manual Figure B-2 shows the pin assignments for the 68-pin DIO connector . This is the other 68-pi n connector av ailable when you use th e SH1006868 cabl e assembly wit h the A T-MIO-16DE-10.
Appendix B Optional Cable Connector Descriptions A T E Series User Manual B-4 ni.com Figure B-3 shows the pin assignments for the 68-pin extended AI connector . This is the other 68-pin connector av ailable when you use the SH1006868 cable assembly w ith the A T-MIO-64E-3.
Appendix B Optional Cable Connector Descriptions © National Instruments Corporation B-5 A T E Series User Manual Figure B-4 shows the pin assignments for the 50-pin MIO connecto r .
Appendix B Optional Cable Connector Descriptions A T E Series User Manual B-6 ni.com Figure B-5 shows the pin assignments for the 50-pin DIO connector . This is the other 50-pin connector av ailable when you use the R1005050 cable assembly wit h the A T-MIO-16DE-10.
Appendix B Optional Cable Connector Descriptions © National Instruments Corporation B-7 A T E Series User Manual Figure B-6 shows the pin assignments for the 50-pin extended AI connector . This is the oth er 50-pin connector av ailable when you use the R1005050 cable assembly with the A T-MIO-64E-3 .
© National Instruments Corporation C-1 A T E Series User Manual C Common Questions This appendix contains a list of commonl y asked questions and their answers relating to usage and special features of the A T E Series device.
Appendix C Common Questions A T E Series User Manual C-2 ni.com relationship . Notice, ho we v er , that some A T E Series dev ices ha ve settling times that v ary with gain and accuracy .
Appendix C Common Questions © National Instruments Corporation C-3 A T E Series User Manual What version of NI-D A Q must I hav e to pr ogram my A T E Series device? Y ou must hav e v ersion 4.9. 0 or later for the A T-MIO-16XE-10 and A T- AI-16XE-10, version 4.
Appendix C Common Questions A T E Series User Manual C-4 ni.com I ’ m using the D A Cs to generate a wa veform, b ut I disco ver ed with a digital oscilloscope that there are glitches on the output signal. Is this normal? When it switches from one voltage to another , an y D AC produces glitches due to released charges.
Appendix C Common Questions © National Instruments Corporation C-5 A T E Series User Manual 4. Initiate A O wav eform generation. If you are using NI-DA Q, call WFM_Group_Control with operation set to 1 (start). If you are using LabVIEW , you can in v oke A O Control VI with control code set to 0 (start).
Appendix C Common Questions A T E Series User Manual C-6 ni.com next channel, for e xample channel 1, is selected, the accumulated charge (current) leaks backward through that channel. If the output im pedance of the source connected to channel 1 is high enough, the resulting reading can some what reflect the v oltage trends in channel 0.
Appendix C Common Questions © National Instruments Corporation C-7 A T E Series User Manual Figure C-2. Comparing In ter channel Delay and Sca n Interval T iming and Digital I/O What types of triggering can be implemented in hardwar e on my A T E Series device? Digital triggering is suppo rted by hardware on e v ery A T E Series MIO de vice.
Appendix C Common Questions A T E Series User Manual C-8 ni.com The counter/timer examples supplied with NI-DA Q are not compatible with an A T E Series device.
Appendix C Common Questions © National Instruments Corporation C-9 A T E Series User Manual acquisition completes. The abov e error occurs because NI-D A Q disarms the counter from generating any more requests in the interrupt service routine.
Appendix C Common Questions A T E Series User Manual C-10 ni.com What are the po wer -on states of the PFI and DIO lines on the I/O connector? At system po wer -on and reset, both the PFI and DIO lines are set to high impedance by the hardware. This means that the de vice circuitry is not acti vely dri ving the output either high or lo w .
© National Instruments Corporation D-1 A T E Series User Manual D T echnical Support and Professional Ser vices Visit the following sections of the National Instruments Web site at ni.
© National Instruments Corporation G-1 A T E Series User Manual Glossar y Pref ix Meaning V alue p- pico- 10 – 12 n- nano - 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- mega- 10.
Glossary A T E Series User Manual G-2 ni.com A C alternating current A CH analog input chann el signal ADC A/D con v erter AIGA TE analog input gate signal AIGND analog input ground signal AISENSE ana.
Glossary © National Instruments Corporation G-3 A T E Series User Manual D A C0OUT analog channel 0 output signal D A C1OUT analog channel 1 output signal D A Q data acquisition DC direct current DGN.
Glossary A T E Series User Manual G-4 ni.com GPCTR1_OUT general purpose counter 1 output signal GPCTR0_SOURCE general purpose counter 0 clock source signal GPCTR1_SOURCE general purpose counter 1 clock source signal H h hour hex he xadecimal Hz hertz I interchannel delay amount of time that passes between samp ling consecutiv e channels.
Glossary © National Instruments Corporation G-5 A T E Series User Manual M MB megab ytes of memory min minimum min. minutes MIO multifunctio n I/O M S B m o s ts i g n i f i c a n tb i t N NRSE nonre.
Glossary A T E Series User Manual G-6 ni.com S s seconds S samples SCANCLK scan clock signal scan interv al controls ho w often a scan is initialized. The scan interv al is regulated by ST AR TSCAN.
Glossary © National Instruments Corporation G-7 A T E Series User Manual V V volts VDC volts direct current V IH volts, input high V IL vo l ts , in p u t l ow V in volts in V OH volts, output high V.
© National Instruments Corporation I-1 A T E Series User Manual Index Symbols +5 V signal description, 4-6 power connections, 4-29 A about the manual, xi ACH<0.
Index A T E Series User Manual I-2 ni. com analog input specifications AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3, A-1 amplifier characteristics, A -3 dynamic characteristics, A-4 input characteristi.
Index © National Instruments Corporation I-3 A T E Series User Manual features, 1-1 getting started, 1-2 optional equip ment, 1-5 software programming choices register-level programming, 1-4 unpackin.
Index A T E Series User Manual I-4 ni. com AT-MIO-16E-10 and A T-MIO-16DE-1 0 (table), 4-10 AT-MIO-16XE-10 and AT-AI-16XE-10 (table), 4-12 AT-MIO-16XE-50 (table), 4-13 description (table), 4-5 DAC1OUT.
Index © National Instruments Corporation I-5 A T E Series User Manual AT-MIO-16XE-10 and AT-AI-16XE-10 (table), 4-12 AT-MIO-16XE-50 (table), 4-14 description (table), 4-5 digital I/O connectio ns, 4-.
Index A T E Series User Manual I-6 ni. com G general-purpose timing signal connectio ns FREQ_OUT sign al, 4-50 GPCTR0_GATE signal, 4-45 GPCTR0_OUT signal, 4-4 6 GPCTR0_SOURCE signal, 4-44 GPCTR0_UP_DO.
Index © National Instruments Corporation I-7 A T E Series User Manual I I/O connectors, 4-1 exceeding maximum ratings (caution), 4-15, 4-17, 4-28 I/O signal summary (t able) AT-MIO-16E-1, AT-MIO-16E-.
Index A T E Series User Manual I-8 ni. com mode 2 bidirectional transfers Port C signal assignments (ta ble), 4-51 timing specification s, 4-54 multiple-channel scanning, 3-11 N National Instruments c.
Index © National Instruments Corporation I-9 A T E Series User Manual PFI4/GPCTR1_GATE signal AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3 (tabl e), 4-9 AT-MIO-16E-10 and A T-MIO-16DE -10 (table), 4-1.
Index A T E Series User Manual I-10 ni.com power requirement specifications AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3, A-10 AT-MIO-16E-10 and AT-MIO-16DE-10, A-19 AT-MIO-16XE-10 and AT-AI-16XE-10, A-28 pretriggered data acquisition, 4-32 professional services, D-1 programmable function inputs (PFIs).
Index © National Instruments Corporation I-11 A T E Series User Manual differential connections DIFF input configuration, 4 -20 floating signal sou rces, 4-22 ground-referenced signal sources, 4-21 n.
Index A T E Series User Manual I-12 ni.com AT-MIO-16E-10 and AT-MIO-16DE-10 analog input amplifier characteristics, A -13 dynamic characteristics, A-14 input characteristics, A-12 transfer characteris.
Index © National Instruments Corporation I-13 A T E Series User Manual STARTSCAN signal tim ing connections, 4-36 STB* signal (table), 4-51 support technical, D-1 switchless data acquisition, 2-3 system integration services, D-1 T technical support, D-1 telephone technical support, D-1 theory of operation.
Index A T E Series User Manual I-14 ni.com triggers analog, 3-14 block diagram, 3-15 RTSI triggers, 3-20 specifications AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3 analog trigger, A-9 digital trigger,.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il National Instruments AT E Series è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del National Instruments AT E Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments AT E Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments AT E Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments AT E Series, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del National Instruments AT E Series.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il National Instruments AT E Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments AT E Series insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
