Document Outline

• NI PXI-4224 User Manual
• Support
  • Worldwide Technical Support and Product Information
  • National Instruments Corporate Headquarters
  • Worldwide Offices
• Important Information
  • Warranty
  • Copyright
  • Trademarks
  • Patents
  • WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS
• Conventions
• Contents
• Chapter 1 About the NI PXI-4224
  • What You Need to Get Started
  • National Instruments Documentation
  • Installing the Application Software, NI-DAQ, and the DAQ Device
  • Installing the NI PXI-4224
  • LED Pattern Descriptions
• Chapter 2 Connecting Signals
  • Connecting Signals to the NI PXI-4224
    • Front Signal Connector
      • Table 2-1. NI PXI-4224 25-Pin D-SUB Terminal Pin Assignments
      • Figure 2-1. NI PXI-4224 Front Label
    • Analog Input Connections
      • Figure 2-2. Unshielded Floating Signal Source Connection Using a D-SUB Connector
      • Figure 2-3. Unshielded Grounded Signal Source Connection Using a D-SUB Connector
      • Figure 2-4. Shielded Floating Signal Source Connection Using a D-SUB Connector
      • Figure 2-5. Shielded Grounded Signal Source Connection Using a D-SUB Connector
      • Figure 2-6. Unshielded Floating Signal Source Connection Using a Terminal Block
      • Figure 2-7. Unshielded Grounded Signal Source Connection Using a Terminal Block
      • Figure 2-8. Shielded Floating Signal Source Connection Using a Terminal Block
      • Figure 2-9. Shielded Grounded Signal Source Connection Using a Terminal Block
      • Floating Signal Source Connection
      • Ground-Referenced Signal Connection
      • Shielded Ground-Referenced Signal Connection (Recommended)
• Chapter 3 Configuring and Testing
  • Verifying and Self-Testing the Signals Using Test Panels
  • Configuring the NI PXI-4224 in MAX
    • Creating a Voltage Task or Global Channel Using NI-DAQmx
    • Verifying and Self-Testing an NI-DAQmx Task or Global Channel
• Chapter 4 Theory of Operation
  • Theory of Operation
    • Figure 4-1. Block Diagram of NI PXI-4224
    • Signal Conditioning Functional Overview
      • Table 4-1. Signal Conditioning Functional Blocks
    • Measurement Considerations
      • Input Impedance
      • Figure 4-2. Effect of Input Impedance on Signal Measurements
      • Common-Mode Rejection Ratio
      • Effective CMR
    • Timing and Control Functional Overview
      • Figure 4-3. AI CONV CLK Signal Routing
    • Programmable Function Inputs
    • Device and PXI Clocks
      • Figure 4-4. NI PXI-4224 PXI Trigger Bus Signal Connection
      • Table 4-2. PXI Trigger Bus Timing Signals
• Chapter 5 Using the NI PXI-4224
  • Developing Your Application
    • Typical Program Flow Chart
      • Figure 5-1. Typical Program Flowchart
    • Overview of Typical Flow Chart
      • Creating a Task Using DAQ Assistant or Programmatically
      • Adjusting Timing and Triggering
      • Configuring Channel Properties
      • Table 5-1. NI-DAQmx Properties
      • Acquiring, Analyzing, and Presenting
      • Completing the Application
    • Developing an Application Using LabVIEW
      • Table 5-2. Programming a Task in LabVIEW
      • Using a DAQmx Channel Property Node in LabVIEW
    • Synchronization and Triggering
    • Synchronizing the NI PXI-4224
      • Figure 5-2. General Synchronizing Flowchart
      • Synchronizing the NI PXI-4224 Using LabVIEW
      • Table 5-3. Synchronizing the NI PXI-4224 Using LabVIEW
  • Other Application Documentation and Material
  • Calibrating the NI PXI-4224
    • Loading Calibration Constants
    • Self-Calibration
    • External Calibration
• Appendix A Specifications
  • Overvoltage Protection
  • Analog Input
    • Table A-1. Maximum Sampling Rates
  • Accuracy
  • Transfer Characteristics
  • Calibration
    • Pre-Calibration Errors
  • Memory
  • Digital Triggers
  • PXI Trigger Bus
  • PCI Bus Interface
  • Power Requirements
  • Physical
    • Figure A-1. PXI-4224 Dimensions
  • Maximum Working Voltage
  • Isolation Voltages
  • Environmental
  • Safety
  • Electromagnetic Compatibility
  • Online Product Certification
  • Environmental Management
• Appendix B Timing Signal Information
  • Figure B-1. Typical Posttriggered Sequence
  • Figure B-2. Typical Pretriggered Sequence
  • Figure B-3. AI START TRIG Input Signal Timing
  • Figure B-4. AI START TRIG Output Signal Timing
  • Figure B-5. AI REF TRIG Input Signal Timing
  • Figure B-6. AI REF TRIG Output Signal Timing
  • Figure B-7. AI SAMP CLK Input Signal Timing
  • Figure B-8. AI SAMP CLK Output Signal Timing
  • Figure B-9. AI CONV CLK Input Signal Timing
  • Figure B-10. AI CONV CLK Output Signal Timing
  • Figure B-11. AI SAMPLE CLK TIMEBASE Signal Timing
  • Figure B-12. AI HOLD COMPLETE Signal Timing
• Appendix C Removing the NI PXI-4224
  • Figure C-1. Injector/Ejector Handle Position Before Device Removal
• Appendix D Common Questions
  • Which version of NI-DAQ works with the NI PXI-4224 and how do I get the most current version of NI-DAQ?
  • Does the NI PXI-4224 have hardware analog triggering?
  • Is the NI PXI-4224 an isolated device?
  • When no signal is connected to the NI PXI-4224, what behavior should I expect?
  • How do I program the NI PXI-4224?
  • How do I perform an external calibration of the NI PXI-4224?
• Glossary
  • Symbols
  • A
  • B-C
  • D
  • E-G
  • H-K
  • L-M
  • N-P
  • R-S
  • T-V
  • W
• Index
  • A-C
  • D-E
  • F-N
  • O-S
  • T-V