The VST 011 Stepper Motor Module

Compact control of stepper motors

With the VST 011, the user is provided with an ultra-compact power unit for controlling 2-phase stepper motors with a rated voltage of 18-70 VDC. 6.4 A continuous current and 9 A peak current (in micro step mode) per motor are possible. Therefore large stepper motors with high torque can also be controlled.

The VST 011 supports micro stepping. The basic module also has an incremental encoder interface. In addition, 4 digital in- and outputs each are integrated (each 24 V), which can be used according to the application.The real-time data exchange for speed and position control as well as parameterization are performed over the fast VARAN bus. The parameters are a part of the control application, whereby the module exchange is drastically simplified and service interfaces are unnecessary. To save energy, the module is equipped with adjustable current reduction. A standby mode with a need-based time delay can thereby be activated.


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