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Our highly efficient stepper motor power output stages are optimally matched to our control system and thus guarantee optimal motor operation for 2-phase stepper motors.

Motion amplifier


  • High efficiency stepper motor driver for one or two 2-phase stepper motors
  • Open loop with or without step control or closed loop operation mode
  • 24 V/48V with 5.4 RMS 8A Peak per output stage
  • CAN/CAN-FD Interface with 6 Mbit data transmission rate
  • 6 digital inputs
  • 2 digital outputs
Performance data
  • 2-Phase stepper motor interface:
    24 V / 48 V with 5.4 A RMS 8 A peak per amplifier stage, 90% efficiency
  • Incremental-encoder interface:
    RS422 track A, B and Index per amplifier stage
  • Control of brake:
    24 V up to 1,8 A, adjustable PWM per amplifier stage
  • 3x 24 V digital inputs:
    Limit switches plus, minus and Reference per amplifier stage
  • CAN / CAN-FD:
    Interface6 Mbit data transmission rate
  • Microcontroller:
    STM32H750 running at 400MH
Device data
  • Supply voltage logic:
    24V DC nominal, 18V DC min. 30V DC max.
  • Current consumption logic:
    200mA max. at 24V DC without activated brake output
  • Supply voltage motor:
    24V up to 48 VDC nominal
  • Current consumption motor:
    5.4 A continuous, 8 A peak per amplifier stage
  • Dimensions:
    55 x 136 x 120 mm
  • Weight:
    0,8 kg
  • Temperature ranch:
    0° – 45°C according IEC 60068-2-1 & IEC 60068-2-2
  • Humidity:
    10 – 95% non-condensing according IEC 60068-2-3
  • Digital inputs:
    6 x 24V 5 mA, option for isolated operation
  • Digital output:
    2 x 24V max. 1.8 A, short protected
  • USB:
    2.0 for firmware updates and parameter tuning
  • CAN:
    CAN and CAN-FD, 120 R bus-termination, switchable by software
  • Cooling:
    Free air condition should be guaranteed
  • RJ45 connectors for CAN:
    Twice connectors for easy wiring by patch cables
  • LED-indication:
    Tracks A and B as well as error indication
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