Stepper motor programmable driver board (Mini PLC)
Electronics

Overview

The project consist in designing an intelligent driver board for small stepper motors, with encoder feedback capability, serial interface control or external control by digital inputs and outputs.

Goal: developing a low-cost driver card for step motor control applicable to various equipments.

Development steps

The steps followed are as follows:

  • Identification of a integrated driver for motors with size up to 24V 2A.
  • Identification of a cost effective and powerful microprocessor.
  • Design of an electronic board integrating different control possibilities: from autonomous control to various external interfaces.

Results

The study brought to the realization of a standardized low cost card for different application fields and equipments; extended use is possible thanks to high software flexibility.