STD2P24H-D80 two-phase dual stepper driver

STD2P24H-D80 two-phase dual-step drive is improved on the basis of two-phase digital stepper driver, so that a stepper can drive two stepper motors at the same time, greatly saving space and ensuring that the stepper motor does not lose steps and does not lose steps.

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  • Using vector control and micro-subdivision control technology, it has greatly improved the running stability, noise, vibration and heat generation compared with traditional drives        
  • Strong and weak electrical isolation, strong anti-interference ability, good stability
  • Adaptive control of attenuation mode and attenuation time, the switch tube runs in the minimum switching mode, the heat generation is greatly reduced during operation, and the distortion of the current waveform is small (the current waveform above 8r/s is still maintained as a sine wave)    
  • It has 16 equal angle constant torque subdivisions, and the maximum resolution is 40,000 steps/rpm
  • The maximum response frequency can reach 200Kpps
  • Acceleration and deceleration curve configuration of the maximum motor no-load speed up to 50R/S (or 3000RPM)
  • When the step pulse stops for more than 100ms, the coil current is automatically reduced to 20%-80% 
  • Photoelectric isolated signal input/output
  • The drive current is adjustable from 0.3A/phase to 6A/phase
  • Single power input, voltage range: DC DC24-80V± within 15%.
  • Error protection: no motor detection, overtemperature protection, overcurrent protection, internal anomaly protection
  • Phase memory function (Note: After the input pulse stops, the actuator automatically remembers the motor phase at the time, and the driver automatically restores the motor phase when the power-up is restarted or the MF signal changes from active to invalid).

Power supply voltage and

Volatility range

DC DC24-80V ± within 15%.

Power frequency and

Volatility range

50/60Hz, ± within 5%.

Control mode

Sine wave PWM control, current control mode

Dynamic braking


Protection features

Overcurrent, overheating of the drive, short circuit between phases

Maximum input

Pulse frequency

200Kpps (open collector input occasion) can be customized up to 500Kpps

Number of segments

Up to 40000 pulses/rpm

Cooling mode

Self-cooling, air cooling is selected in special cases

Ambient temperature

0°C~+55°C (non-freezing)

Storage: -20°C~+65°C (no freezing)

Ambient humidity

90% RH or less (non-condensing)


Indoor (no sunlight) no corrosive gases, flammable gases, dust


Below 1000m above sea level