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National Instruments NI 6238 User Manual

Also see for DAQ M Series: User manualUser manualUser manualUser manualUser manual

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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. Installing NI-DAQmx
  12. device specifications
  13. Figure
  15. Calibration Circuitry
  16. cables and accessories
  17. Analog Input
  18. Analog Output
  19. Analog Input Circuitry
  20. Analog Input Range
  21. Connecting Analog Current Input Signals
  22. Method 2
  23. Analog Input Ground-Reference Settings
  24. Configuring AI Ground-Reference Settings in Software
  25. Multichannel Scanning Considerations
  26. Avoid Scanning Faster Than Necessary
  27. Analog Input Data Acquisition Methods
  28. Analog Input Triggering
  29. Analog Input Timing Signals
  30. AI Sample Clock Signal
  31. Using an Internal Source
  32. AI Sample Clock Timebase Signal
  33. AI Convert Clock Signal
  34. Using an External Source
  35. Other Timing Requirements
  36. AI Convert Clock Timebase Signal
  37. AI Start Trigger Signal
  38. AI Reference Trigger Signal
  39. Using a Digital Source
  40. Getting Started with AI Applications in Software
  41. Analog Output Circuitry
  42. Analog Output Data Generation Methods
  43. Analog Output Triggering
  44. Analog Output Timing Signals
  45. AO Pause Trigger Signal
  46. AO Sample Clock Signal
  47. AO Sample Clock Timebase Signal
  48. Getting Started with AO Applications in Software
  49. I/O Protection
  50. Connecting Digital I/O Signals
  51. Logic Conventions
  52. Getting Started with DIO Applications in Software
  53. Counting Edges
  54. Buffered (Sample Clock) Edge Counting
  55. Non-Cumulative Buffered Edge Counting
  56. Pulse-Width Measurement
  57. Period Measurement
  58. Single Period Measurement
  59. Semi-Period Measurement
  60. Buffered Semi-Period Measurement
  61. Method 2—Measure High Frequency with Two Counters
  62. Method 3—Measure Large Range of Frequencies Using Two Counters
  63. Choosing a Method for Measuring Frequency
  64. Position Measurement
  65. Measurements Using Two Pulse Encoders
  66. Two-Signal Edge-Separation Measurement
  67. Buffered Two-Signal Edge-Separation Measurement
  68. Simple Pulse Generation
  69. Retriggerable Single Pulse Generation
  70. Pulse Train Generation
  71. Frequency Generation
  72. Frequency Division
  73. Counter n Source Signal
  74. Routing a Signal to Counter n Source
  75. Counter n Gate Signal
  76. Counter n A, Counter n B, and Counter n Z Signals
  77. Routing Signals to Counter n HW Arm Input
  78. Routing Frequency Output to a Terminal
  79. Arm Start Trigger
  80. Cascading Counters
  81. Prescaling
  82. Duplicate Count Prevention
  83. Example Application That Prevents Duplicate Count
  84. When To Use Duplicate Count Prevention
  85. MHz Source Mode
  86. External Source Mode
  87. Using PFI Terminals as Timing Input Signals
  88. Exporting Timing Output Signals Using PFI Terminals
  89. PFI Filters
  91. Programmable Power-Up States
  92. Digital Isolation
  93. Reducing Common-Mode Noise
  94. Clock Routing
  95. MHz Timebase
  96. MHz Reference Clock
  97. RTSI Connector Pinout
  98. Using RTSI as Outputs
  99. Using RTSI Terminals as Timing Input Signals
  100. PXI Clock and Trigger Signals
  101. PXI_CLK10
  102. DMA Controllers
  103. PXI Considerations
  104. Data Transfer Methods
  105. Interrupt Request (IRQ)
  106. Triggering with a Digital Source
National Instruments NI 6238 User Manual Manual pdf 65 page image
Chapter 6 Digital Input and OutputNI 6238/6239 User Manual 6-4 ni.comGetting Started with DIO Applications in SoftwareYou can use NI 6238/6239 devices in the following digital I/O applications:• Static digital input• Static digital outputNote For more information about programming digital I/O applications and triggers insoftware, refer to the NI-DAQmx Help or the LabVIEW 8.x Help.Table 6-1. NI 6238/6239 Logic ConventionsDeviceLogic0 1NI 6238 (Source) P1.GND P1.VCCNI 6239 (Sink) P1.VCC P1.GND
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This manual is suitable for:
DAQ M SeriesNI 6238NI 6239
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