DNx-CT-602 - High Speed Differential Counter/Timer Board

DNx-CT-602 - High Speed Differential Counter/Timer Board
Main features
  • 4 independent 32-bit counter/timer units
  • Fully differential inputs/outputs at RS-422/485 logic levels
  • 8 Counting modes
  • 32-bit prescaler per channel
  • Internal (66 MHz) or external (max 16.5 MHz) timebases
  • 256 x 32-bit Input FIFO and 256 x 32-bit Output FIFO on each counter
  • Debouncing/glitch removal on external clock and gate inputs

The DNA-CT-602 and DNR-CT-602 are differential counter/timer interfaces for UEI’s “Cube” and RACKtangle I/O chassis respectively. The DNA/DNR versions are electrically identical and provide four independent 32-bit channels, each one having overvoltage protection and opto-isolation. They perform up/down counting in a number of flexible modes using values from a Load Register and two Compare Registers. They can act as an event counter, perform width/ period measurements and run in quadrature-encoder mode where the user sets the direction of the counting. For output modes, the layer offers 1-shot and Universal PWM operation. It also provides edge detection on the ClockIn and Gate pins. The DNx-CT-602 is software compatible with the DNx-CT-601 except for the additional commands which configure and control the Trigger
Output pins. The DNx-CT-602 provides the following 8 counting modes which will accommodate most data acquisition and data logging requirements:

  • Timer
  • PWM generator
  • Continuously updated PWM generator (buffered)
  • Bin counter (number of pulses in specified time interval)
  • Pulse width
  • Pulse period (232 periods max)
  • Quadrature encoder
  • Timebase operation

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