stepIM – Integrated Closed Loop Steppers

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With a superior closed loop control and a cost-effective design, the stepIM provides an efficient and economical solution for applications that require the performance of a servo at the price level of a stepper. The stepIM significantly enhances the performance of the stepper motors, when compared to conventional open loop control. The integrated electronics control the stepper motor as a two phase BLDC motor, implementing position servo loop, velocity loop, DQ current control, as well as additional algorithms. Closed loop commutation, by means of an absolute singe-turn encoder, ensures optimal torque utilization at any speed.

Key Features

  • Sophisticated closed loop control enhances motor performance with no step loss
  • Operates in torque, velocity, and position modes
  • Efficient torque utilization optimizes motor sizing
  • Integrated design minimizes component and wiring requirements
  • Reduced space, installation efforts and system cost
  • Fieldbus: CANopen DS402
  • Synchronized control of coordinated motion profiles
  • Reduced machine complexity, as stepIM can function as distributed I/O points
  • Available in IP20 & IP65
  • CE compliance


ModelInput Voltage (VDC)Torque (Nm)Inertia (g*cm2)Weight (Kg)
Nema 23 Short14 to 481.22600.6
Nema 23 Medium14 to 481.84601.0
Nema 23 Large14 to 482.67501.5
Nema 34 Medium14 to 483.418502.7
Nema 34 Large14 to 485.427503.8


Type TitleVersionDownload EnglishDownload GermanDownload French
stepIM Flyer7.0
stepIM Datasheet4.0
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stepIM Online Help - EN
StepIM User Manual1.1
stepIM CANopen Manual1.3
stepIM Technical Training Manual1.0
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ServoStudio GUI1.41.7.2
stepIM ServoStudio Manual1.1
stepIM CANopen EDS (version:
Type TitleVersionDownload EnglishDownload GermanDownload French
stepIM IP20 2D Dimensions_PDF1.0
stepIM IP20 2D Dimensions_DXF1.0
stepIM IP20 3D Models_EPRT1.0
stepIM IP20 3D Models_IGS1.0
stepIM IP20 3D Models_STEP1.0
stepIM IP20 3D Models_XT1.0
stepIM IP65 2D Dimensions_PDF1.0
stepIM IP65 2D Dimensions_DXF1.0
stepIM IP65 3D Models_EPRT1.0
stepIM IP65 3D Models_IGS1.0
stepIM IP65 3D Models_STEP1.0
stepIM IP65 3D Models_XT1.0

Ordering Information


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