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National Instruments NI 6013 User Manual
Summary of NI 6013
Page 1
Daq ni 6013/6014 user manual multifunction i/o devices for pci bus computers ni 6013/6014 user manual october 2002 edition part number 370636a-01.
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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 offices australia 03 9879 5166, austria 0662 45 79 90 0, belgium 02 757 00 20, brazil 55 11 3262 3599, ...
Page 3: Important Information
Important information warranty the ni 6013 and ni 6014 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 option, repair or replace equipment that pr...
Page 4: Compliance
Compliance fcc/canada radio frequency interference compliance determining fcc class the federal communications commission (fcc) has rules to protect wireless communications from interference. The fcc places digital electronics into two classes. These classes are known as class a (for use in industri...
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Canadian department of communications this class b digital apparatus meets all requirements of the canadian interference-causing equipment regulations. Cet appareil numérique de la classe b respecte toutes les exigences du règlement sur le matériel brouilleur du canada. Compliance to eu directives r...
Page 6: Contents
© national instruments corporation vii ni 6013/6014 user manual contents about this manual conventions used in this manual.................................................................................Xi related documentation............................................................................
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Contents ni 6013/6014 user manual viii ni.Com chapter 4 connecting signals i/o connector ................................................................................................................ 4-1 analog input signal overview ....................................................................
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Contents © national instruments corporation ix ni 6013/6014 user manual gpctr1_out signal ......................................................................4-38 gpctr1_up_down signal ...........................................................4-38 freq_out signal ....................................
Page 9: About This Manual
© national instruments corporation xi ni 6013/6014 user manual about this manual the national instruments 6013/6014 devices are high-performance multifunction analog, digital, and timing i/o devices for pci. The ni 6014 features 16 channels (eight differential) of 16-bit analog input (ai), two chann...
Page 10: Related Documentation
About this manual ni 6013/6014 user manual xii ni.Com italic italic text denotes variables, emphasis, a cross reference, or an introduction to a key concept. This font also denotes text that is a placeholder for a word or value that you must supply. Monospace text in this font denotes text or charac...
Page 11: Introduction
© national instruments corporation 1-1 ni 6013/6014 user manual 1 introduction this chapter describes the ni 6013/6014, lists what you need to get started, describes the optional software and equipment, and explains how to unpack the ni 6013/6014. About the ni 6013/6014 device thank you for buying a...
Page 12
Chapter 1 introduction ni 6013/6014 user manual 1-2 ni.Com ❑ one of the following software packages and documentation: – labview (for windows) – measurement studio (for windows) – vi logger ❑ a pci-bus computer software programming choices when programming national instruments daq hardware, you can ...
Page 13
Chapter 1 introduction © national instruments corporation 1-3 ni 6013/6014 user manual figure 1-1. The relationship among the programming environment, ni-daq, and the hardware to download a free copy of the most recent version of ni-daq, click download software at ni.Com . National instruments ade s...
Page 14: Optional Equipment
Chapter 1 introduction ni 6013/6014 user manual 1-4 ni.Com activex controls, and classes are available with measurement studio and ni-daq. Using labview, measurement studio, or vi logger greatly reduces the development time for your data acquisition and control application. Optional equipment ni off...
Page 15: Safety Information
Chapter 1 introduction © national instruments corporation 1-5 ni 6013/6014 user manual safety information the following section contains important safety information that you must follow during installation and use of the product. Do not operate the product in a manner not specified in this document...
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Chapter 1 introduction ni 6013/6014 user manual 1-6 ni.Com operate this product only at or below the installation category stated in appendix a, specifications . The following is a description of installation categories: • installation category i is for measurements performed on circuits not directl...
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Chapter 1 introduction © national instruments corporation 1-7 ni 6013/6014 user manual below is a diagram of a sample installation..
Page 18: Installing And Configuring
© national instruments corporation 2-1 ni 6013/6014 user manual 2 installing and configuring the ni 6013/6014 this chapter explains how to install and configure the ni 6013/6014. Installing the software complete the following steps to install the software before installing the ni 6013/6014. 1. Insta...
Page 19: Configuring The Hardware
Chapter 2 installing and configuring the ni 6013/6014 ni 6013/6014 user manual 2-2 ni.Com 3. Make sure there are no lighted leds on the motherboard. If any are lit, wait until they go out before continuing the installation. 4. Remove the expansion slot cover on the back panel of the computer. 5. Gro...
Page 20
Chapter 2 installing and configuring the ni 6013/6014 © national instruments corporation 2-3 ni 6013/6014 user manual to configure the ni 6013/6014 in measurement & automation explorer (max), refer to ni.Com/manuals to view either the daq quick start guide or the ni-daq user manual for pc compatible...
Page 21: Hardware Overview
© national instruments corporation 3-1 ni 6013/6014 user manual 3 hardware overview this chapter presents an overview of the hardware functions on the ni 6013/6014. Figure 3-1. Ni 6013/6014 block diagram analog mode multiplexer timing pfi / trigger i/o connector digital i/o a/d converter eeprom eepr...
Page 22: Analog Input
Chapter 3 hardware overview ni 6013/6014 user manual 3-2 ni.Com analog input the ai section of the ni 6013/6014 is software configurable. The following sections describe in detail each ai setting. Input mode the ni 6013/6014 has two input modes—nonreferenced single-ended (nrse) mode and differential...
Page 23
Chapter 3 hardware overview © national instruments corporation 3-3 ni 6013/6014 user manual input range the ni 6013/6014 has a bipolar input range that changes with the programmed gain. Each channel may be programmed with a unique gain of 0.5, 1.0, 10, or 100 to maximize the a/d converter (adc) reso...
Page 24: Analog Output
Chapter 3 hardware overview ni 6013/6014 user manual 3-4 ni.Com settling times can also increase when scanning high-impedance signals because of a phenomenon called charge injection , where the ai multiplexer injects a small amount of charge into each signal source when that source is selected. If t...
Page 25: Timing Signal Routing
Chapter 3 hardware overview © national instruments corporation 3-5 ni 6013/6014 user manual control signals, gpctr0_up_down and gpctr1_up_down, are input only and do not affect the operation of the dio lines. Timing signal routing the daq-stc chip provides a flexible interface for connecting timing ...
Page 26
Chapter 3 hardware overview ni 6013/6014 user manual 3-6 ni.Com programmable function inputs the 10 pfi pins are connected to the signal routing multiplexer for each timing signal, and software can select any pfi pin as the external source for a given timing signal. It is important to note that any ...
Page 27: Connecting Signals
© national instruments corporation 4-1 ni 6013/6014 user manual 4 connecting signals this chapter describes how to make input and output signal connections to the ni 6013/6014 using the i/o connector. Table 4-1 shows the cables that can be used with the i/o connectors to connect to different accesso...
Page 28
Chapter 4 connecting signals ni 6013/6014 user manual 4-2 ni.Com figure 4-1. I/o connector pin assignment for the ni 6013/6014 freq_out gpctr0_out pfi9/gpctr0_gate dgnd pfi6/wftrig pfi5/update* dgnd +5v dgnd pfi1/trig2 pfi0/trig1 dgnd dgnd +5v dgnd dio6 dio1 dgnd dio4 reserved dac1out 1 dac0out 1 ac...
Page 29
Chapter 4 connecting signals © national instruments corporation 4-3 ni 6013/6014 user manual table 4-2. Signal descriptions for i/o connector pins signal name reference direction description aignd — — analog input ground—these pins are the bias current return point for ai measurements. Refer to figu...
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Chapter 4 connecting signals ni 6013/6014 user manual 4-4 ni.Com pfi0/trig1 dgnd input output pfi0/trigger 1—as an input, this signal is a programmable pfi. Pfi signals are explained in the connecting timing signals section. As an output, this signal is the trig1 (ai start trigger) signal. In posttr...
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Chapter 4 connecting signals © national instruments corporation 4-5 ni 6013/6014 user manual pfi8/gpctr0_source dgnd input output pfi8/counter 0 source—as an input, this signal is a pfi. As an output, this signal is the gpctr0_source signal. This signal reflects the actual source connected to the ge...
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Chapter 4 connecting signals ni 6013/6014 user manual 4-6 ni.Com analog input signal overview the ai signals for the ni 6013/6014 are ach, aisense, and aignd. Connection of these ai signals to the device depends on the type of input signal source and the configuration of the ai channels you are usin...
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Chapter 4 connecting signals © national instruments corporation 4-7 ni 6013/6014 user manual types of signal sources when making signal connections, you must first determine whether the signal sources are floating or ground-referenced. The following sections describe these two types of signals. Floa...
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Chapter 4 connecting signals ni 6013/6014 user manual 4-8 ni.Com figure 4-2. Programmable gain instrumentation amplifier (pgia) in nrse mode, signals connected to ach are routed to the positive input of the pgia, and aisense is connected to the negative input of the pgia. In diff mode, signals conne...
Page 35
Chapter 4 connecting signals © national instruments corporation 4-9 ni 6013/6014 user manual setting of the amplifier. The amplifier output voltage is referenced to the device ground. The device adc measures this output voltage when it performs a/d conversions. Connecting analog input signals the fo...
Page 36
Chapter 4 connecting signals ni 6013/6014 user manual 4-10 ni.Com differential connection considerations a differential connection is one in which the ai signal has its own reference signal or signal return path. These connections are available when the selected channel is configured in diff input m...
Page 37
Chapter 4 connecting signals © national instruments corporation 4-11 ni 6013/6014 user manual differential connections for ground-referenced signal sources figure 4-4 shows how to connect a ground-referenced signal source to a channel on the device configured in diff input mode. Figure 4-4. Differen...
Page 38
Chapter 4 connecting signals ni 6013/6014 user manual 4-12 ni.Com differential connections for nonreferenced or floating signal sources figure 4-5 shows how to connect a floating signal source to a channel configured in diff input mode on the ni 6013/6014. Figure 4-5. Differential input connections ...
Page 39
Chapter 4 connecting signals © national instruments corporation 4-13 ni 6013/6014 user manual you must reference the source to aignd. The easiest way is to connect the positive side of the signal to the positive input of the pgia and connect the negative side of the signal to aignd as well as to the...
Page 40
Chapter 4 connecting signals ni 6013/6014 user manual 4-14 ni.Com single-ended connection considerations a single-ended connection is one in which the ai signal of the ni 6013/6014 is referenced to a common ground that can be shared with other input signals. The input signal is tied to the positive ...
Page 41
Chapter 4 connecting signals © national instruments corporation 4-15 ni 6013/6014 user manual single-ended connections for floating signal sources figure 4-6 shows how to connect a floating signal source to a channel configured for nrse mode on the ni 6013/6014. Figure 4-6. Single-ended input connec...
Page 42
Chapter 4 connecting signals ni 6013/6014 user manual 4-16 ni.Com figure 4-7 shows how to connect a grounded signal source to a channel configured for nrse mode on the ni 6013/6014. Figure 4-7. Single-ended input connections for ground-referenced signals common-mode signal rejection considerations f...
Page 43
Chapter 4 connecting signals © national instruments corporation 4-17 ni 6013/6014 user manual connecting analog output signals ♦ ni 6014 only the ao signals are dac0out, dac1out, and aognd. Dac0out and dac1out are not available on the ni 6013. Dac0out is the voltage output signal for ao channel 0. D...
Page 44
Chapter 4 connecting signals ni 6013/6014 user manual 4-18 ni.Com connecting digital i/o signals the dio signals on the ni 6013/6014 are dio and dgnd. Dio are the signals making up the dio port, and dgnd is the ground-reference signal for the dio port. You can program all lines individually to be in...
Page 45: Power Connections
Chapter 4 connecting signals © national instruments corporation 4-19 ni 6013/6014 user manual figure 4-9 shows dio configured for digital input and dio configured for digital output. Digital input applications include receiving ttl signals and sensing external device states, such as the switch state...
Page 46
Chapter 4 connecting signals ni 6013/6014 user manual 4-20 ni.Com all digital timing connections are referenced to dgnd. This reference is demonstrated in figure 4-10, which shows how to connect an external trig1 source and an external convert* source to two pfi pins on the ni 6013/6014. Figure 4-10...
Page 47
Chapter 4 connecting signals © national instruments corporation 4-21 ni 6013/6014 user manual as an input, each pfi pin can be individually configured for edge or level detection and for polarity selection. You can use the polarity selection for any of the timing signals, but the edge or level detec...
Page 48
Chapter 4 connecting signals ni 6013/6014 user manual 4-22 ni.Com pretriggered data acquisition allows you to view data that is acquired before the trigger of interest in addition to data acquired after the trigger. Figure 4-12 shows a typical pretriggered daq sequence. The description for each sign...
Page 49
Chapter 4 connecting signals © national instruments corporation 4-23 ni 6013/6014 user manual figures 4-13 and 4-14 show the input and output timing requirements for trig1. Figure 4-13. Trig1 input signal timing figure 4-14. Trig1 output signal timing the device also uses trig1 to initiate pretrigge...
Page 50
Chapter 4 connecting signals ni 6013/6014 user manual 4-24 ni.Com ignores trig2 if it is asserted prior to the sc decrementing to zero. After the selected edge of trig2 is received, the device acquires a fixed number of scans and the acquisition stops. This mode acquires data both before and after r...
Page 51
Chapter 4 connecting signals © national instruments corporation 4-25 ni 6013/6014 user manual startscan signal any pfi pin can receive as an input the startscan signal, which is available as an output on the pfi7/startscan pin. Refer to figures 4-11 and 4-12 for the relationship of startscan to the ...
Page 52
Chapter 4 connecting signals ni 6013/6014 user manual 4-26 ni.Com figure 4-18. Startscan output signal timing the convert* pulses are masked off until the device generates the startscan signal. If you are using internally generated conversions, the first convert* appears when the onboard sample inte...
Page 53
Chapter 4 connecting signals © national instruments corporation 4-27 ni 6013/6014 user manual convert* signal any pfi pin can externally input the convert* signal, which is available as an output on the pfi2/convert* pin. Refer to figures 4-11 and 4-12 for the relationship of convert* to the daq seq...
Page 54
Chapter 4 connecting signals ni 6013/6014 user manual 4-28 ni.Com figure 4-20. Convert* output signal timing the si2 counter on the ni 6013/6014 normally generates convert* unless you select some external source. The counter is started by the startscan signal and continues to count down and reload i...
Page 55
Chapter 4 connecting signals © national instruments corporation 4-29 ni 6013/6014 user manual 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 (si) counter uses sisource as a clock to time the ge...
Page 56
Chapter 4 connecting signals ni 6013/6014 user manual 4-30 ni.Com figure 4-22 shows the timing for scanclk. Figure 4-22. Scanclk signal timing note when using ni-daq, scanclk polarity is low-to-high and cannot be changed programmatically. Extstrobe* signal extstrobe* is an output-only signal that ge...
Page 57
Chapter 4 connecting signals © national instruments corporation 4-31 ni 6013/6014 user manual waveform generation timing connections the analog group defined for the device is controlled by wftrig, update*, and uisource. Wftrig signal any pfi pin can externally input the wftrig signal, which is avai...
Page 58
Chapter 4 connecting signals ni 6013/6014 user manual 4-32 ni.Com figure 4-25. Wftrig output signal timing update* signal any pfi pin can externally input the update* signal, which is available as an output on the pfi5/update* pin. As an input, update* is configured in the edge-detection mode. You c...
Page 59
Chapter 4 connecting signals © national instruments corporation 4-33 ni 6013/6014 user manual figure 4-27. Update* output signal timing the dacs are updated within 100 ns of the leading edge. Separate the update* pulses with enough time that new data can be written to the dac latches. The device ui ...
Page 60
Chapter 4 connecting signals ni 6013/6014 user manual 4-34 ni.Com the maximum allowed frequency is 20 mhz, with a minimum pulse width of 23 ns high or low. There is no minimum frequency limitation. Either the 20 mhz or 100 khz internal timebase normally generates uisource unless you select some exte...
Page 61
Chapter 4 connecting signals © national instruments corporation 4-35 ni 6013/6014 user manual gpctr0_gate signal any pfi pin can externally input the gpctr0_gate signal, which is available as an output on the pfi9/gpctr0_gate pin. As an input, gpctr0_gate is configured in the edge-detection mode. Yo...
Page 62
Chapter 4 connecting signals ni 6013/6014 user manual 4-36 ni.Com figure 4-31. Gpctr0_out signal timing gpctr0_up_down signal this signal can be externally input on the dio6 pin and is not available as an output on the i/o connector. The general-purpose counter 0 counts down when this pin is at a lo...
Page 63
Chapter 4 connecting signals © national instruments corporation 4-37 ni 6013/6014 user manual figure 4-32 shows the timing requirements for gpctr1_source. Figure 4-32. Gpctr1_source signal timing the maximum allowed frequency is 20 mhz, with a minimum pulse width of 23 ns high or low. There is no mi...
Page 64
Chapter 4 connecting signals ni 6013/6014 user manual 4-38 ni.Com figure 4-33 shows the timing requirements for gpctr1_gate. Figure 4-33. Gpctr1_gate signal timing in edge-detection mode gpctr1_out signal this signal is available only as an output on the gpctr1_out pin. Gpctr1_out monitors the tc de...
Page 65
Chapter 4 connecting signals © national instruments corporation 4-39 ni 6013/6014 user manual figure 4-35. Gpctr timing summary the gate and out signal transitions shown in figure 4-35 are referenced to the rising edge of the source signal. The assumption for this timing diagram is that the counters...
Page 66
Chapter 4 connecting signals ni 6013/6014 user manual 4-40 ni.Com the out output timing parameters are referenced to the signal at the source input or to one of the internally generated clock signals on the ni 6013/6014. Figure 4-35 shows the out signal referenced to the rising edge of a source sign...
Page 67
Chapter 4 connecting signals © national instruments corporation 4-41 ni 6013/6014 user manual • do not run signal lines through conduits that also contain power lines. • protect signal lines from magnetic fields caused by electric motors, welding equipment, breakers, or transformers by running them ...
Page 68: Calibration
© national instruments corporation 5-1 ni 6013/6014 user manual 5 calibration this chapter discusses the calibration procedures for the ni 6013/6014. Ni-daq includes calibration functions for performing all of the steps in the calibration process. Calibration refers to the process of minimizing meas...
Page 69: Self-Calibration
Chapter 5 calibration ni 6013/6014 user manual 5-2 ni.Com account the fact that the device measurement and output voltage errors can vary with time and temperature. It is better to self-calibrate when the device is installed in the environment in which it is used. Self-calibration the ni 6013/6014 c...
Page 70: Specifications
© national instruments corporation a-1 ni 6013/6014 user manual a specifications this appendix lists the specifications of the ni 6013/6014. These specifications are typical at 25 °c unless otherwise noted. Analog input input characteristics number of channels ............................... 16 sing...
Page 71
Appendix a specifications ni 6013/6014 user manual a-2 ni.Com fifo buffer size......................................512 samples data transfers ..........................................Dma, interrupts, programmed i/o dma modes ...........................................Scatter-gather (single transfe...
Page 72
Appendix a specifications © national instruments corporation a-3 ni 6013/6014 user manual gain error (relative to calibration reference) after calibration (gain = 1) ............. ±74 ppm of reading max before calibration ........................... ±18,900 ppm of reading max gain ≠ 1 with gain erro...
Page 73
Appendix a specifications ni 6013/6014 user manual a-4 ni.Com crosstalk .................................................Dc to 100 khz adjacent channels............................–75 db other channels .................................≤ –90 db stability recommended warm-up time.................15 mi...
Page 74
Appendix a specifications © national instruments corporation a-5 ni 6013/6014 user manual accuracy information transfer characteristics relative accuracy (inl)......................... ±3 lsb, typ dnl ....................................................... ±2 lsb, typ monotonicity .....................
Page 75
Appendix a specifications ni 6013/6014 user manual a-6 ni.Com power reset glitch magnitude........................................±3.0 v duration...........................................3 ms dynamic characteristics settling time for full-scale step...............8 µ s to ±1 lsb accuracy slew rate ...
Page 76
Appendix a specifications © national instruments corporation a-7 ni 6013/6014 user manual power-on state ........................................ Input (high-impedance), 1.5 k Ω pull down to dgnd data transfers ......................................... Programmed i/o max transfer rate .................
Page 77
Appendix a specifications ni 6013/6014 user manual a-8 ni.Com triggers digital trigger compatibility ..........................................Ttl response .................................................Rising or falling edge pulse width .............................................10 ns min calib...
Page 78
Appendix a specifications © national instruments corporation a-9 ni 6013/6014 user manual maximum working voltage maximum working voltage refers to the signal voltage plus the common-mode voltage. Channel-to-earth..................................... ±11 v, installation category ii environmental ope...
Page 79: Connectors
© national instruments corporation b-1 ni 6013/6014 user manual b custom cabling and optional connectors this appendix describes the various cabling and connector options for the ni 6013/6014. Custom cabling ni offers cables and accessories for you to prototype your application or to use if you freq...
Page 80
Appendix b custom cabling and optional connectors ni 6013/6014 user manual b-2 ni.Com figure b-1. 68-pin connector pin assignments freq_out gpctr0_out pfi9/gpctr0_gate dgnd pfi6/wftrig pfi5/update* dgnd +5v dgnd pfi1/trig2 pfi0/trig1 dgnd dgnd +5v dgnd dio6 dio1 dgnd dio4 reserved dac1out 1 dac0out ...
Page 81
Appendix b custom cabling and optional connectors © national instruments corporation b-3 ni 6013/6014 user manual figure b-2 shows the pin assignments for the 50-pin connector. This connector is available when you use the sh6850 or r6850 cable assemblies. Figure b-2. 50-pin connector pin assignments...
Page 82: Common Questions
© national instruments corporation c-1 ni 6013/6014 user manual c common questions this appendix contains a list of commonly asked questions and their answers relating to usage and special features of the ni 6013/6014. General information what is the daq-stc? The daq-stc is the system timing control...
Page 83
Appendix c common questions ni 6013/6014 user manual c-2 ni.Com how do i use the ni 6013/6014 with the c api in ni-daq? The ni-daq user manual for pc compatibles contains example code and describes the general programming flow when using the ni-daq c api. For a list of functions that support the ni ...
Page 84: Analog Input And Output
Appendix c common questions © national instruments corporation c-3 ni 6013/6014 user manual analog input and output i am using the device in differential ai mode, and i have connected a differential input signal, but the readings are random and drift rapidly. What is wrong? Check the ground referenc...
Page 85
Appendix c common questions ni 6013/6014 user manual c-4 ni.Com figure c-1. Configuring channels to acquire in different modes in labview to enable multimode scanning in using ni-daq functions, call the ai_configure function for each channel. I am seeing crosstalk or ghost voltages when sampling mul...
Page 86
Appendix c common questions © national instruments corporation c-5 ni 6013/6014 user manual how can i use the startscan and convert* signals on the ni 6013/6014 to sample the ai channel(s)? The ni 6013/6014 uses the startscan and convert* signals to perform interval sampling. As figure c-2 shows, st...
Page 87: Timing And Digital I/o
Appendix c common questions ni 6013/6014 user manual c-6 ni.Com timing and digital i/o what types of triggering can be hardware-implemented on the ni 6013/6014? Digital triggering is hardware-supported on the ni 6013/6014. I am using one of the general-purpose counter/timers on the device, but i do ...
Page 88
Appendix c common questions © national instruments corporation c-7 ni 6013/6014 user manual table c-1 corresponds the hardware signal names to the software signal names in labview and ni-daq. What are the power-on states of the pfi and dio lines on the i/o connector? At system power-on and reset, bo...
Page 89: Technical Support And
© national instruments corporation d-1 ni 6013/6014 user manual d technical support and professional services visit the following sections of the ni web site at ni.Com for technical support and professional services: • support —online technical support resources include the following: – self-help re...
Page 90: Glossary
© national instruments corporation g-1 ni 6013/6014 user manual glossary prefix meanings value p- pico 10 –12 n- nano- 10 –9 µ - micro- 10 – 6 m- milli- 10 –3 k- kilo- 10 3 m- mega- 10 6 g- giga- 10 9 symbols % percent + positive of, or plus – negative of, or minus ± plus or minus / per ° degree Ω o...
Page 91
Glossary ni 6013/6014 user manual g-2 ni.Com adc analog-to-digital converter—an electronic device, often an integrated circuit, that converts an analog voltage to a digital number ai analog input aigate ai gate signal aignd ai ground signal aisense ai sense signal ansi american national standards in...
Page 92
Glossary © national instruments corporation g-3 ni 6013/6014 user manual cmrr common-mode rejection ratio—a measure of an instrument’s ability to reject interference from a common-mode signal, usually expressed in decibels (db) common-mode signal any voltage present at the instrumentation amplifier ...
Page 93
Glossary ni 6013/6014 user manual g-4 ni.Com dithering the addition of gaussian noise to an ai signal dma direct memory access—a method by which data can be transferred to/from computer memory from/to a device or memory on the bus while the processor does something else. Dma is the fastest method of...
Page 94
Glossary © national instruments corporation g-5 ni 6013/6014 user manual floating signal sources signal sources with voltage signals that are not connected to an absolute reference or system ground. Also called nonreferenced signal sources. Some common example of floating signal sources are batterie...
Page 95
Glossary ni 6013/6014 user manual g-6 ni.Com i i/o input/output—the transfer of data to/from a computer system involving communications channels, operator interface devices, and/or data acquisition and control interfaces in. Inches inl integral nonlinearity—a measure in lsb of the worst-case deviati...
Page 96
Glossary © national instruments corporation g-7 ni 6013/6014 user manual 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. Nidaqmsc.Lib is a library that contains ni-daq functions. ...
Page 97
Glossary ni 6013/6014 user manual g-8 ni.Com o out output pin—a counter output pin where the counter can generate various ttl pulse waveforms p pci peripheral component interconnect—a high-performance expansion bus architecture originally developed by intel to replace isa and eisa. It is achieving w...
Page 98
Glossary © national instruments corporation g-9 ni 6013/6014 user manual ppm parts per million pu pull up q quantization error the inherent uncertainty in digitizing an analog value due to the finite resolution of the conversion process r referenced single-ended configuration rse—all measurements ar...
Page 99
Glossary ni 6013/6014 user manual g-10 ni.Com sc scan counter scan one or more analog or digital input samples. Typically, the number of input samples in a scan is equal to the number of channels in the input group. For example, one pulse from the scan clock produces one scan which acquires one new ...
Page 100
Glossary © national instruments corporation g-11 ni 6013/6014 user manual t p pulse period trig trigger signal trigger any event that causes or starts some form of data capture t sc source clock period t sp source pulse width ttl transistor-transistor logic—a digital circuit composed of bipolar tran...
Page 101
Glossary ni 6013/6014 user manual g-12 ni.Com v in volts in v m measured voltage v oh volts, output high v ol volts, output low v rms volts, root mean square w waveform multiple voltage readings taken at a specific sampling rate wftrig waveform generation trigger signal working voltage the highest v...
Page 102: Index
© national instruments corporation i-1 ni 6013/6014 user manual index numbers +5 v signal description (table), 4-3 self-resetting fuse, c-1 a ach signals analog input modes, 4-8 analog input signal connections, 4-6 description (table), 4-3 i/o signal summary (table), 4-5 acquisition timing connectio...
Page 103
Index ni 6013/6014 user manual i-2 ni.Com stability, a-6 transfer characteristics, a-5 voltage output, a-5 to a-6 aognd signal analog output signal connections, 4-17 description (table), 4-3 i/o signal summary (table), 4-5 b base address configuration, c-2 bipolar input range, 3-3 block diagram, 3-1...
Page 104
Index © national instruments corporation i-3 ni 6013/6014 user manual digital i/o overview, 3-4 to 3-5 questions about, c-6 to c-7 signal connections, 4-18 to 4-19 specifications, a-6 to a-7 digital trigger specifications, a-8 dio signal description (table), 4-3 digital i/o signal connections, 4-18 ...
Page 105
Index ni 6013/6014 user manual i-4 ni.Com ground-referenced signal sources description, 4-7 differential connections, 4-11 single-ended connections (nrse configuration), 4-15 to 4-16 h hardware installation procedure, 2-1 to 2-2 unpacking 6013/6014 device, 1-4 hardware overview analog input, 3-2 to ...
Page 106
Index © national instruments corporation i-5 ni 6013/6014 user manual national instruments ade software, 1-3 to 1-4 ni-daq driver software, 1-2 to 1-3 unpacking, 1-4 ni-daq driver software correspondence of signal names in labview and ni-daq (table), c-7 overview, 1-2 to 1-3 questions about, c-2 noi...
Page 107
Index ni 6013/6014 user manual i-6 ni.Com pretriggered acquisition overview, 4-22 typical acquisition (figure), 4-22 professional services and technical support, d-1 programmable function inputs (pfis). See pfis (programmable function inputs). Programmable gain instrumentation amplifier. See pgia (p...
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Index © national instruments corporation i-7 ni 6013/6014 user manual single-ended connections, 4-14 to 4-16 grounded signal sources (nrse configuration), 4-15 to 4-16 when to use, 4-14 sisource signal, 4-29 software installation, 2-1 software programming choices, 1-2 to 1-4 national instruments ade...
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Index ni 6013/6014 user manual i-8 ni.Com timing i/o questions about, c-6 to c-7 specifications, a-7 timing signal routing, 3-5 to 3-6 convert* signal routing (figure), 3-5 programmable function inputs, 3-6 trig1 signal, 4-22 to 4-23 trig2 signal, 4-23 to 4-24 triggers digital trigger specifications...