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National Instruments NI USB-621 Series manuals

NI USB-621 Series first page preview

NI USB-621 Series

Brand: National Instruments | Category: I/O Systems
Table of contents
  1. important information
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Table Of Contents
  9. about this manual
  10. related documentation
  11. device documentation and specifications
  12. training courses
  13. Installing NI-DAQmx
  14. Device Specifications
  15. din rail mounting
  16. panel mounting
  17. daq hardware
  18. Calibration Circuitry
  19. Signal Conditioning
  20. cables and accessories
  21. programming devices in software
  22. USB Device Fuse Replacement
  23. PWR/ACT LED Indicator
  24. analog input
  25. Analog Input Range
  26. Analog Input Ground-Reference Settings
  27. Configuring AI Ground-Reference Settings in Software
  28. Analog Input Data Acquisition Methods
  29. Analog Input Digital Triggering
  30. MHz Timebase
  31. AI Sample Clock Signal
  32. AI Sample Clock Timebase Signal
  33. AI Convert Clock Signal
  34. Using a Delay from Sample Clock to Convert Clock
  35. AI Convert Clock Timebase Signal
  36. AI Start Trigger Signal
  37. AI Reference Trigger Signal
  38. Using a Digital Source
  39. Connecting Analog Input Signals on USB-6210/6211/6212 Devices
  40. floating signal sources
  41. Connecting Floating Signal Sources
  42. When to Use Non-Referenced Single-Ended (NRSE Connections with Floating Signal Sources
  43. Using Differential Connections for Floating Signal Sources
  44. for Floating Signal Sources
  45. Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
  46. When to Use Differential Connections with Ground-Referenced Signal Sources
  47. When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
  48. Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
  49. Connecting Analog Input Signals on USB-6215/6216/6218 Devices
  50. Taking Referenced Single-Ended (RSE) Measurements
  51. Taking Non-Referenced Single-Ended (NRSE) Measurements
  52. analog output
  53. AO Range
  54. Analog Output Digital Triggering
  55. Connecting Analog Output Signals
  56. AO Start Trigger Signal
  57. Routing AO Start Trigger to an Output Terminal
  58. AO Sample Clock Signal
  59. Using an External Source
  60. Getting Started with AO Applications in Software
  61. Digital I/O on USB-6210/6211/6215/6218 Devices
  62. Static DIO on USB-6210/6211/6215/6218 Devices
  63. Increasing Current Drive on USB-6210/6211/6215/6218 Devices
  64. Getting Started with DIO Applications in Software on USB-6210/6211/6215/6218 Devices
  65. Static DIO on USB-6212/6216 Devices
  66. Programmable Power-Up States on USB-6212/6216 Devices
  67. Getting Started with DIO Applications in Software on USB-6212/6216 Devices
  68. Using PFI Terminals as Timing Input Signals
  69. Exporting Timing Output Signals Using PFI Terminals
  70. Connecting PFI Input Signals
  71. I/O Protection
  72. Counter Input Applications
  73. Buffered (Sample Clock) Edge Counting
  74. Controlling the Direction of Counting
  75. Buffered Pulse-Width Measurement
  76. Period Measurement
  77. Buffered Period Measurement
  78. Semi-Period Measurement
  79. Frequency Measurement
  80. Choosing a Method for Measuring Frequency
  81. Position Measurement
  82. Measurements Using Two Pulse Encoders
  83. Two-Signal Edge-Separation Measurement
  84. Buffered Two-Signal Edge-Separation Measurement
  85. Simple Pulse Generation
  86. Retriggerable Single Pulse Generation
  87. Pulse Train Generation
  88. Frequency Generation
  89. Frequency Division
  90. Counter Timing Signals
  91. Counter n Source Signal
  92. Counter n Gate Signal
  93. Counter n A, Counter n B, and Counter n Z Signals
  94. Routing Signals to Counter n HW Arm Input
  95. Default Counter/Timer Pinouts
  96. Counter Triggering
  97. Other Counter Features
  98. Cascading Counters
  99. Prescaling
  100. Duplicate Count Prevention
  101. Example Application That Prevents Duplicate Count
  102. Enabling Duplicate Count Prevention in NI-DAQmx
  103. Digital Isolation
  104. Reducing Common-Mode Noise
  105. isolated systems
  106. digital routing and clock generation
  107. USB Signal Stream
  108. Changing Data Transfer Methods
  109. Triggering with a Digital Source
  110. USB-6210
  111. USB-6211/6215
  112. USB-6212/6216 Screw Terminal
  113. USB-6212/6216 Mass Termination
  114. USB-6212/6216 Mass Termination Pinout
  115. USB-6218
  116. Table Of Contents
NI USB-621 Series first page preview

NI USB-621 Series

Brand: National Instruments | Category: Computer Hardware
Table of contents
  1. Table Of Contents
  2. important information
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Table Of Contents
  9. Table Of Contents
  10. Table Of Contents
  11. about this manual
  12. related documentation
  13. device documentation and specifications
  14. getting started
  15. Installing NI-DAQmx
  16. Installing the Hardware
  17. DAQ Hardware
  18. DAQ-STC2
  19. Signal Conditioning
  20. Programming Devices in Software
  21. I/O Connector Signal Descriptions
  22. Analog Input Circuitry
  23. Analog Input Range
  24. Analog Input Ground-Reference Settings
  25. USB-6210
  26. Figure
  27. Multichannel Scanning Considerations
  28. Carefully Choose the Channel Scanning Order
  29. Minimize Voltage Step between Adjacent Channels
  30. Example 2
  31. USB 6218
  32. Field Wiring Considerations
  33. MHz Timebase
  34. AI Sample Clock Signal
  35. Using an Internal Source
  36. AI Sample Clock Timebase Signal
  37. Using an External Source
  38. Other Timing Requirements
  39. AI Convert Clock Timebase Signal
  40. AI Hold Complete Event Signal
  41. AI Reference Trigger Signal
  42. Using a Digital Source
  43. Getting Started with AI Applications in Software
  44. Connecting Floating Signal Sources
  45. When to Use Non-Referenced Single-Ended (NRSE) Connections with Floating Signal Sources
  46. Using Differential Connections for Floating Signal Sources
  47. Using Non-Referenced Single-Ended (NRSE) Connections for Floating Signal Sources
  48. Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
  49. When to Use Differential Connections with Ground-Referenced Signal Sources
  50. When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
  51. Using Differential Connections for Ground-Referenced Signal Sources
  52. Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
  53. Differential Measurements
  54. Referenced Single-Ended (RSE) Measurements
  55. Non-Referenced Single-Ended (NRSE) Measurements
  56. Analog Output Circuitry
  57. AO Range
  58. Analog Output Digital Triggering
  59. Analog Output Timing Signals
  60. AO Pause Trigger Signal
  61. AO Sample Clock Signal
  62. AO Sample Clock Timebase Signal
  63. Getting Started with AO Applications in Software
  64. Static DIO
  65. Connecting Digital I/O Signals
  66. Getting Started with DIO Applications in Software
  67. Counter Input Applications
  68. controlling the direction of counting
  69. Pulse-Width Measurement
  70. Period Measurement
  71. Single Period Measurement
  72. Semi-Period Measurement
  73. Frequency Measurement
  74. Method 2—Measure High Frequency with Two Counters
  75. Method 3—Measure Large Range of Frequencies Using Two Counters
  76. Choosing a Method for Measuring Frequency
  77. Position Measurement
  78. Measurements Using Two Pulse Encoders
  79. Two-Signal Edge-Separation Measurement
  80. Buffered Two-Signal Edge-Separation Measurement
  81. Simple Pulse Generation
  82. Retriggerable Single Pulse Generation
  83. Pulse Train Generation
  84. Frequency Generation
  85. Frequency Division
  86. Counter Timing Signals
  87. Counter n Source Signal
  88. Counter n Gate Signal
  89. Counter n A, Counter n B, and Counter n Z Signals
  90. Counter n Internal Output and Counter n TC Signals
  91. Counter Triggering
  92. Other Counter Features
  93. Cascading Counters
  94. Prescaling
  95. Duplicate Count Prevention
  96. example application that prevents duplicate count
  97. Using PFI Terminals as Timing Input Signals
  98. Exporting Timing Output Signals Using PFI Terminals
  99. PFI Filters
  100. I/O Protection
  101. Digital Isolation
  102. Creating an AC Return Path
  103. khz timebase
  104. USB Signal Streams
  105. Programmed I/O
  106. Triggering with a Digital Source
  107. USB-6210 Pinout
  108. USB-6211/6215 Pinout
  109. USB 6218 Pinout
  110. analog input
  111. analog output
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