Velmex (Bloomfield, NY) offers VXM controller systems for power systems that drive motorized products including slides and rotary tables. The controller is a 2-phase, unipolar stepper motor controller that can drive and control precise movements, multi-axis, and velocity. The system is capable of controlling up to four motors, one motor at a time. Two motors can be controlled simultaneously for coordinated motion. Features include an intuitive, comprehensive command instruction set; single-chip microcontroller that digitally controls the motor phase switching and all other interface functions; elimination of noise-sensitive step and direction translation circuitry; and resonance-free motor torque from modulated current control.

The system automatically de-energizes motors at a standstill, consuming 1.4 Watts, and includes nonvolatile memory for storing five user-created programs. It includes a regulated power supply with a 100 to 240VAC input range, USB capability, and 10-bit analog input for external sensor, setting speed, or an analog joystick control.

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Motion Control & Automation Technology Magazine

This article first appeared in the February, 2015 issue of Motion Control & Automation Technology Magazine.

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