Technical Specifications

• Number of Channels:
  • Total Channels: 32 digital I/O channels
• I/O Voltage Levels:
  • Input Voltage Range: 0 to 3.3 V
  • Output Voltage Levels: 0 to 3.3 V (TTL compatible)
• I/O Type:
  • Digital Input/Output: TTL (Transistor-Transistor Logic) levels
• I/O Characteristics:
  • Input: 3.3 V tolerant
  • Output Drive Current: 24 mA per channel (sink or source)
• Timing and Control:
  • Update Rate: Up to 100 MHz (depending on system configuration and bus speed)
  • Timing Modes: Includes static, change detection, and pattern generation modes
• Connector Type:
  • I/O Connector: 68-pin VHDCI (Very High Density Cable Interconnect) connector
• Bus Interface:
  • PXIe interface for integration with other PXIe modules and systems
• Power Requirements:
  • Voltage: 3.3 V and 5 V (provided through the PXIe backplane)
• Software Support:
  • Compatible with NI LabVIEW and other National Instruments software for programming and control

Functional Features

• High-Speed Digital I/O:
  • The PXIe-6571 supports high-speed digital operations with update rates up to 100 MHz, allowing for rapid acquisition and manipulation of digital signals.
• High Channel Count:
  • Features 32 digital I/O channels, providing significant digital data handling capacity within a single module.
• TTL-Compatible I/O:
  • Operates with TTL voltage levels (3.3 V), making it compatible with a wide range of digital logic systems.
• High Drive Current:
  • Each channel can drive up to 24 mA, which is adequate for driving TTL logic levels and interfacing with external circuitry.
• Advanced Timing and Control:
  • Includes multiple timing modes such as static, change detection, and pattern generation, offering flexibility for various digital signal processing needs.
• Compact and Reliable Connector:
  • Utilizes a 68-pin VHDCI connector for reliable and compact connections to external devices and systems.
• Software Integration:
  • Fully supported by NI LabVIEW and other National Instruments software, facilitating efficient programming, system control, and data analysis.

Application Scenarios

• Digital Data Acquisition:
  • Suitable for applications requiring high-density digital data acquisition, including detailed logging, monitoring, and analysis of digital signals.
• Automated Testing:
  • Ideal for use in automated test systems to manage and analyze digital signals, enhancing the efficiency and accuracy of testing processes.
• Industrial Automation:
  • Can be used in industrial environments to interface with control systems, sensors, and actuators for real-time operations and monitoring.
• Embedded Systems:
  • Integrates into embedded systems for high-speed digital control and data acquisition tasks.
• Simulation and Control:
  • Valuable for simulation applications that demand precise control and generation of digital signals.
• Prototyping and R&D:
  • Beneficial for research and development projects that involve digital signal processing and prototyping.