Related Manuals for National Instruments NI PCI-5911
Summary of Contents for National Instruments NI PCI-5911
- Page 1 Modular Instrumentation NI PCI-5911 User Manual High-Speed Digitizer with Flex ADC NI PCI-5911 User Manual ™ March 2003 Edition Part Number 322150E-01...
- Page 2 Thailand 662 992 7519, United Kingdom 44 0 1635 523545 For further support information, refer to the Technical Support and Professional Services appendix. To comment on the documentation, send email to techpubs@ni.com. © 1998–2003 National Instruments Corporation. All rights reserved.
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Page 3: Important Information
The reader should consult National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it. - Page 4 These classes are known as Class A (for use in industrial-commercial locations only) or Class B (for use in residential or commercial locations). All National Instruments (NI) products are FCC Class A products. Depending on where it is operated, this Class A product could be subject to restrictions in the FCC rules. (In Canada, the Department of Communications (DOC), of Industry Canada, regulates wireless interference in much the same way.) Digital...
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Page 5: Table Of Contents
Calibration ...2-7 Self-Calibrating the NI 5911 ...2-7 When Self-Calibration Is Needed...2-7 What Self-Calibration Does ...2-7 Why Warnings Occur During Acquisition...2-8 External Calibration...2-8 Triggering and Arming ...2-8 Analog Trigger Circuit ...2-9 Trigger Holdoff ...2-10 © National Instruments Corporation NI PCI-5911 User Manual... - Page 6 RTSI Bus and Clock PFI ... 2-11 PFI Lines ... 2-11 PFI Lines as Inputs ... 2-12 PFI Lines as Outputs... 2-12 Synchronization ... 2-12 Appendix A Specifications Appendix B Technical Support and Professional Services Glossary Index NI PCI-5911 User Manual ni.com...
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Page 7: About This Manual
This font is also used for the proper names of disk drives, paths, directories, programs, subprograms, subroutines, device names, functions, operations, variables, filenames and extensions, and code excerpts. © National Instruments Corporation NI PCI-5911 User Manual... -
Page 8: Related Documentation
Misuse of the device can result in a hazard. You can compromise the safety protection built into the device if the device is damaged in any way. If the device is damaged, return it to National Instruments (NI) for repair. Do not substitute parts or modify the device except as described in this document. - Page 9 This category refers to measurements on hard-wired equipment such as equipment in fixed installations, distribution boards, and circuit breakers. Other examples are wiring, including cables, bus bars, junction boxes, switches, socket About This Manual marked on the NI PCI-5911 User Manual...
- Page 10 About This Manual • NI PCI-5911 User Manual outlets in the fixed installation, and stationary motors with permanent connections to fixed installations. Installation Category IV is for measurements performed at the primary electrical supply installation (<1,000 V). Examples include electricity meters and measurements on primary overcurrent protection devices and on ripple control units.
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Page 11: Introduction
Introduction Thank you for buying an NI PCI-5911 digitizer, featuring the Flex ADC for variable speed and resolution. This chapter contains information on installing, connecting signals to, and acquiring data from the NI 5911 Installing the NI 5911 Installation involves the following main steps: For step-by-step instructions for installing both NI-SCOPE and the NI 5911, refer to the Where to Start with Your NI Digitizer document. - Page 12 The +5 V signal is fused at 1.1 A. However, NI recommends limiting the current Note from this pin to 30 mA. The fuse is self-resetting. PFI 1 PFI 2 (DIN) NI PCI-5911 User Manual CH 0 Figure 1-1. NI 5911 Connectors ni.com...
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Page 13: Acquiring Data With The Ni 5911
Program Files\National Instruments\ LabVIEW\Examples\Instr\niScopeExamples\ ™ ™ LabWindows /CVI , C, and Visual Basic with Windows 2000/NT—Go to vxipnp\winnt\Niscope\Examples\ LabWindows/CVI, C, and Visual Basic with Windows 98/95—Go to vxipnp\win95\Niscope\Examples\c\ Chapter 1 Introduction 7 Reserved 8 Reserved 9 Reserved NI PCI-5911 User Manual... -
Page 14: Interactively Controlling The Ni 5911 With The Scope Soft Front Panel
Chapter 1 Introduction NI-SCOPE Function Reference Help, located at Start»Programs» National Instruments»NI-SCOPE. For more detailed VI help, use LabVIEW context-sensitive help (Help»Show Context Help) or the NI-SCOPE VI Reference Help, located at Start»Programs»National Instruments»NI-SCOPE. Interactively Controlling the NI 5911 with the Scope Soft Front Panel The Scope Soft Front Panel allows you to interactively control the NI 5911 as you would a desktop oscilloscope. -
Page 15: Hardware Overview
Internal to the PGIA, the signal © National Instruments Corporation AC/DC Coupling PGIA Noise Shaper Digital Signal Processor Figure 2-1. NI 5911 Block Diagram A/D Converter 100 MHz, 8-Bit Timing I/O, Reference Memory Control Clock Capture Memory Data NI PCI-5911 User Manual... -
Page 16: Grounding Considerations
As a result, most of the noise voltage occurs at the negative input of the PGIA where it is rejected, rather than in the positive input, where it would be amplified. NI PCI-5911 User Manual Input Signal PGIA V–... -
Page 17: Input Ranges
Input Protection Threshold ±10 V ±5 V ±2 V ±1 V ±0.5 V ±0.2 V ±0.1 V ------------------- - Chapter 2 Hardware Overview ±10 V ±5 V ±5 V ±5 V ±5 V ±5 V ±5 V NI PCI-5911 User Manual... -
Page 18: Input Bias
1 – e original signal has settled after time t. Generally, six time constants is enough time between switching to AC coupling and starting the acquisition NI PCI-5911 User Manual is the measured voltage, V is the source voltage, R is the input impedance. -
Page 19: Conventional And Flexible Resolution Modes
100 MS/s. In RIS mode, you can sample at rates of 100 × n MS/s, where n is a number from 2 to 10. © National Instruments Corporation . RIS sampling can be used on repetitive signals to effectively Chapter 2 Hardware Overview NI PCI-5911 User Manual... -
Page 20: Flexible Resolution Mode
The signal is then resampled to a lower sampling frequency and a higher resolution. Flexible resolution provides antialiasing protection due to the digital lowpass filter. NI PCI-5911 User Manual Table 2-2. Available Sampling Rates and Corresponding Bandwidth in Flexible Resolution Mode... -
Page 21: Calibration
This temperature stabilization accounts for the majority of the calibration time. Refer to the Calibration section of Appendix A, Specifications, for more information. Gain and offset are calibrated for each individual input range. Chapter 2 Hardware Overview NI PCI-5911 User Manual... -
Page 22: Why Warnings Occur During Acquisition
TTL level for at least 40 ns before any triggers are accepted. Note The NI 5911 does not support delayed triggering. NI PCI-5911 User Manual The linearity of the ADC is calibrated using an internal sine wave generator as reference. The time-to-digital converter used for RIS measurements is calibrated. -
Page 23: Analog Trigger Circuit
Input Level Gain Level a. Analog Trigger Circuit Software ATC_OUT RTSI<0..6> PFI 1, PFI 2 b. Trigger and Arm Sources Figure 2-3. Trigger Sources Chapter 2 Hardware Overview COMP Analog ATC_OUT Trigger Circuit COMP – Trigger NI PCI-5911 User Manual... -
Page 24: Trigger Holdoff
NI 5911 continues to acquire posttrigger samples if you have specified a posttrigger sample count. The acquired samples are placed into onboard memory. The number of posttrigger or pretrigger samples is only limited by the amount of onboard memory. NI PCI-5911 User Manual 2-10 ni.com... -
Page 25: Multi-Record Acquisitions
1 kHz square wave. The function of each PFI line is independent. However, only one trigger source can be accepted during acquisition. © National Instruments Corporation Chapter 2 2-11 Hardware Overview NI PCI-5911 User Manual... -
Page 26: Pfi Lines As Inputs
Hardware arming cannot be used during an acquisition using multiple devices. To synchronize the triggers of multiple NI 5911 devices, one digitizer must receive a trigger as described in the NI PCI-5911 User Manual Triggering and Arming 2-12 section and then... - Page 27 However, the trigger that is routed to the other digitizer(s) is sent synchronously to an internal 25 MHz clock. For more information about synchronization, refer to the NI-SCOPE Software User Manual. © National Instruments Corporation 2-13 NI PCI-5911 User Manual...
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Page 28: Specifications
Flexible Resolution refer to Table 2-2, Available Sampling Rates and Corresponding Bandwidth in Flexible Resolution Mode Effective Resolution 8 bits 11 bits 14 bits 15.5 bits 17.5 bits 18 bits 18.5 bits 19 bits 19.5 bits NI PCI-5911 User Manual... - Page 29 100/n 12.5 MS/s 5 MS/s 2.5 MS/s 1 MS/s 500 kS/s 200 kS/s 100 kS/s 50 kS/s 20 kS/s 10 kS/s NI PCI-5911 User Manual Sample Rate Mode Flexible Resolution Flexible Resolution ≤ ≤ in conventional mode Sampling Frequency Mode...
- Page 30 1 MS/s in flexible resolution mode Appendix A Specifications Noise Referred to Input –174 dBfs/ –168 dBfs/ –160 dBfs/ –154 dBfs/ –148 dBfs/ –140 dBfs/ –128 dBfs/ < 1 kHz) NI PCI-5911 User Manual...
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Page 31: Dynamic Range
Dynamic Range Noise (excluding input-referred noise) Sampling Frequency 100/n MS/s 12.5 MS/s 5 MS/s 2.5 MS/s NI PCI-5911 User Manual Bandwidth 100 MHz 3.75 MHz 2 MHz 1 MHz 400 kHz 200 kHz 80 kHz 40 kHz... - Page 32 –111 dBfs –114 dBfs –117 dBfs –121 dBfs –124 dBfs SFDR for Input –60 dBfs (typical) 125 dBfs 130 dBfs 135 dBfs 145 dBfs 150 dBv 160 dBfs 160 dBfs 160 dBfs 160 dBfs 160 dBfs NI PCI-5911 User Manual...
- Page 33 Posttrigger depth...Up to 4 MS or 16 MS, depending Holdoff time ...5 µs to 171.79 s in increments Trigger resolution ...170 steps in full-scale voltage NI PCI-5911 User Manual Conventional mode... 100/n MHz, where 1 ≤ n ≤2 Flexible resolution mode ...12.5 MHz, 5 MHz, 2.5 MHz,...
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Page 34: Power Requirements
Ambient temperature... –20 °C to 65 °C © National Instruments Corporation Analog input CH0 ... BNC female Digital triggers ... SMB female, 9-pin mini DIN Appendix A Specifications effective sample rate, repetitive signals only transient and repetitive signals NI PCI-5911 User Manual... -
Page 35: Electromagnetic Compatibility
Immunity ...EN 61326:1997 + A2:2001, EMC/EMI ...CE, C-Tick and FCC Part 15 Note For EMC compliance, operate this device with shielded cabling. NI PCI-5911 User Manual Interval...1 week, or any time temperature Interval...1 year IEC 61010-1, EN 61010-1 UL 3111-1, UL 61010B-1 CAN/CSA C22.2 No. - Page 36 Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory compliance information. To obtain the DoC for this product, click Declarations of Conformity Information at © National Instruments Corporation Low-Voltage Directive (safety):73/23/EEC Electromagnetic Compatibility Directive (EMC):89/336/EEC ni.com/hardref.nsf/ Appendix A Specifications NI PCI-5911 User Manual...
- Page 37 Technical Support and Professional Services Visit the following sections of the National Instruments Web site at ni.com • • • • • © National Instruments Corporation for technical support and professional services: Support—Online technical support resources include the following: –...
- Page 38 You also can visit the Worldwide Offices section of office Web sites, which provide up-to-date contact information, support phone numbers, email addresses, and current events. NI PCI-5911 User Manual and could not find the answers you need, contact ni.com ni.com/niglobal to access the branch ni.com...
- Page 39 Symbols percent positive of, or plus – negative of, or minus ° degree ± plus or minus Ω amperes analog to digital alternating current © National Instruments Corporation Value –12 –9 – 6 –3 NI PCI-5911 User Manual...
- Page 40 Typically, a bus is the expansion vehicle to which I/O or other devices are connected. Examples of PC buses are the PCI and ISA bus. Celsius channel pin or wire lead to which you apply or from which you read the analog or digital signal NI PCI-5911 User Manual ni.com...
- Page 41 © National Instruments Corporation Glossary NI PCI-5911 User Manual...
- Page 42 NI PCI-5911 User Manual ni.com...
- Page 43 1,000, or 10 measure such as volts, hertz, and meters 1,000 samples laboratory virtual instrument engineering workbench—a graphical LabVIEW programming ADE developed by National Instruments least significant bit meters megabytes of memory memory buffer See buffer.
- Page 44 132 Mbytes/s peak value the absolute maximum or minimum amplitude of a signal (AC + DC) posttriggering the technique to acquire a programmed number of samples after trigger conditions are met NI PCI-5911 User Manual ni.com...
- Page 45 RTSI bus real-time system integration bus—the National Instruments timing bus that connects devices directly, by means of connectors on top of the boards, for precise synchronization of functions...
- Page 46 Nyquist frequency—can cause aliasing undersampling the number of output updates per second update rate NI PCI-5911 User Manual ni.com...
- Page 47 © National Instruments Corporation Glossary NI PCI-5911 User Manual...
- Page 48 2-4 input ranges, 2-3 noise-free signal measurement (figure), 2-2 DIN connector, 1-1 distortion specifications, A-5 documentation conventions used in manual, vii online library, B-1 related documentation, viii drivers instrument, B-1 software, B-1 dynamic range specifications, A-4 NI PCI-5911 User Manual...
- Page 49 (figure), 2-2 flexible resolution mode, 2-6 memory, 2-10 multiple record acquisition, 2-11 oscilloscope mode, 2-5 NI PCI-5911 User Manual RTSI bus trigger and clock lines, 2-11 trigger holdoff, 2-10 triggering and arming analog trigger circuit, 2-9 trigger holdoff, 2-10...
- Page 50 PIF lines, 2-11 purpose and use, 2-11 synchronization, 2-12 safety information, viii sampling methods—real-time and RIS, 2-5 sampling rate, flexible resolution mode (table), 2-6 Scope Soft Front Panel, 1-4 SMB connector, 1-1 software drivers, B-1 Index NI PCI-5911 User Manual...
- Page 51 A-5 triggering systems, A-6 storage environment specifications, A-7 support technical, B-1 synchronization, 2-12 system integration services, B-1 NI PCI-5911 User Manual technical support, B-1 telephone technical support, B-2 timebase system specifications, A-5 training customer, B-1 triggering and arming...