Document Outline

• Preface
• About this User’s Guide
  • What you will learn from this user’s guide
  • Conventions in this user’s guide
  • Where to find more information
• Introducing the USB-1602HS-2AO
  • Overview: USB-1602HS-2AO features
  • Software features
• Installing the USB-1602HS-2AO
  • What comes with your USB-1602HS-2AO shipment?
    • Hardware
    • Optional components
      • Cables
      • Screw termination board with screw terminals
    • Additional documentation
    • Signal conditioning accessories
  • Unpacking the USB-1602HS-2AO
  • Installing the software
  • Installing the hardware
    • Connecting the external power supply
    • Connecting the USB-1602HS-2AO to your system
  • Configuring the USB-1602HS-2AO
  • Connecting the board for I/O operations
    • Connectors, cables, and accessory products
      • BNC connectors
      • 68-pin SCSI connector
  • Cabling
    • Field wiring and signal termination
    • TB-102 screw terminal board connector to SCSI connector pin out
• Functional Details
  • Front panel
    • BNC connectors
    • Status LEDs
  • Rear panel
    • SCSI connector
    • External power connector (EXT PWR)
    • USB connector
    • Analog common
  • Mechanical drawing
  • Block diagram
  • Synchronous analog, digital, and counter sampling
    • Input clock pacing
    • Output clock pacing
  • Analog inputs
  • Analog outputs
  • Digital I/O
    • Digital input scanning
    • Internal pull-up/pull-down capability (J14)
    • Digital outputs and pattern generation
  • Triggering
    • Hardware-based triggering
      • Analog input hardware
      • External digital trigger input
    • Software-based triggering
      • Analog software
      • Digital pattern
      • Counter/Totalizer
    • Stop trigger modes
    • Pre-triggering and post-triggering modes
      • No pre-trigger, post-trigger stop event
      • Fixed pre-trigger with post-trigger stop event
      • No pre-trigger, infinite post-trigger
      • Fixed pre-trigger with infinite post-trigger
  • Counter inputs
    • Mapped channels
    • Counter input modes
      • Counter mode
      • Period mode
      • Pulse width measurement mode
      • Timing mode
    • Debounce function
      • Trigger after stable mode
      • Trigger before stable mode
      • Debounce mode comparisons
  • Quadrature detectors
    • Overview
    • Maximizing encoder accuracy
    • Connecting the USB-1602HS-2AO to an encoder
      • Debounce feature
      • Scan period values
  • Timer/pulse generators
  • Using detection setpoints for output control
    • Setpoint configuration
      • Setpoint criteria
      • Setpoint output channel
      • Update modes
      • Setpoint values for output
    • Examples of control outputs
      • Detection on analog input, DAC, and digital port MSB updates
      • Using the hysteresis function
      • Using multiple inputs to control one DAC output
      • Setpoint detection on a totalizing counter
    • Controlling analog and digital outputs
    • Update latency
    • Using the setpoint status register
• Calibrating the USB-1602HS-2AO
• Specifications
  • Analog input
  • Analog output
  • Analog input calibration
  • Digital inputs
  • Digital outputs
  • Trigger sources
  • Pacing sources
  • Counters
  • Timers
  • Quadrature decoders
  • Power
  • USB specifications
  • Environmental
  • Mechanical
  • I/O cables, connectors and accessories
  • Signal I/O connectors
    • BNC connectors
    • 68-pin SCSI connector
• Declaration of Conformity