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Smooth, Quiet Stepper Motor Operation

Drive reduces motor noise while increasing accuracy and stability.

The RoadRunner SoftStep R213S microstepping motor drive from Testra provides smooth, quiet stepper motor operation.
The RoadRunner SoftStep R213S microstepping motor drive from Testra provides smooth, quiet stepper motor operation.
Testra

The RoadRunner SoftStep R213S microstepping motor drive from Testra (Tempe, AZ) provides smooth, quiet stepper motor operation. The intelligent on-board processor treats the input steps as small vector moves and smoothly chains them together with 250 or 256 micro-steps per regular motor step with controlled accelerations. Dual chopper stabilized current comparators along with auto-calibration gets rid of communication discontinuities and maintains a near perfect sine wave drive, further reducing motor noise while increasing accuracy and stability. Additional features include: 

  • Jumpers installed with a divisor setting of 10 to make them Gecko drive compatible — can be reconfigured by the user as needed.
  • Micro-steps in either 250 or 256 increments per step for DS (double step) settings, 1 (full step), 2 (half step), 4, 8, 16, 32, 64, 128, and 256.
  • A 2.5” x 2.5” x 0.825” footprint,
  • Input power of 20 VDC to 80 VDC.
  • Current drive of 1 to 7 Amp.
  • Resistor programmable current.
  • Opto-isolated inputs.
  • Step, direction, disable input (not isolated), and step frequency to 5 Mhz.
  • Optional custom waveforms to match individual motor characteristics; CW, CCW input; user programmable waveform; step on+ or – transition; custom current reduction, 3.3 V input drive and 50 Khz chop frequency.

For more information, visit www.testra.com.

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