NI PCIe-6321

Technical Specifications:

• Analog Input:
  • Channels: 16 single-ended or 8 differential
  • Resolution: 16 bits
  • Sampling Rate: Up to 250 kS/s per channel
  • Input Range: ±0.2 V, ±1 V, ±5 V, ±10 V
  • Input Coupling: DC
  • Input Impedance: >10 GΩ (with 100 pF capacitance in parallel)
  • CMRR (DC to 60 Hz): 100 dB
• Analog Output:
  • Channels: 2
  • Resolution: 16 bits
  • Maximum Update Rate: 900 kS/s for one channel, 840 kS/s per channel for two channels
  • Output Range: ±10 V
  • Output Coupling: DC
  • Output Impedance: 0.2 Ω
• Digital I/O:
  • Channels: 24 (configurable as input or output)
  • Direction Control: Programmable per channel
  • Input Voltage Protection: ±20 V (for up to two pins)
  • Output Drive Capability: ±5 mA
• Counters/Timers:
  • Number: 4
  • Type: 32-bit
  • Functions: PWM, encoder, frequency, event counting
• Timing and Synchronization:
  • Onboard NI-STC3 timing and synchronization technology
  • Independent analog and digital timing engines
  • Retriggerable measurement tasks
• Connectivity:
  • Bus Type: PCI Express
  • Data Transfer Mechanisms: DMA (scatter-gather), programmed control I/O
• Software Support:
  • Included Drivers: NI-DAQmx
  • Configuration Utility: Simplifies setup and measurements

Functional Characteristics:

• High Performance: Utilizes the high-throughput PCI Express bus and multicore-optimized drivers for efficient data transfer and processing.
• Flexible I/O Configuration: Supports a variety of input and output configurations to meet diverse application requirements.
• Advanced Timing and Synchronization: Provides precise timing control for complex measurement and control tasks.
• Robust Design: Built to withstand harsh industrial environments with appropriate protection mechanisms.
• Easy Integration: Seamlessly integrates with NI software and hardware ecosystem for rapid development and deployment.

Application Scenarios:

• Data Acquisition and Logging: Ideal for capturing and recording analog and digital signals in test and measurement applications.
• Control Systems: Used in industrial automation for controlling actuators, valves, and other devices based on sensor inputs.
• Test Automation: Facilitates automated testing of electronic components and systems by providing precise stimulus and measurement capabilities.
• Signal Monitoring and Analysis: Enables real-time monitoring and analysis of signals for condition monitoring and predictive maintenance applications.
• Research and Development: Supports prototyping and experimentation in various fields such as aerospace, automotive, and energy.