STMicroelectronics (Geneva, Switzerland), has announced the SPIMD20 motor-control module that mounts directly on the motor, in addition to providing connection via industrial Ethernet. The unit can drive brushless 3-phase motors up to 2kW, and incorporates semiconductor technologies, including 1200V/40A IGBT power switches and the TD352 gate driver. Two STM32 microcontrollers provide a processing engine for motor control and networking functions. A real-time communication interface supporting protocols such as EtherCAT® and CANopen® DS402 is provided. Basic firmware supporting network connectivity and featuring PWM driving, current loop, and speed-loop execution synchronized to the Fieldbus is also available.
The module supports full customization of firmware and logic, allowing designers control over the motor-control algorithm and type of Ethernet Fieldbus. By mounting the 165 x 60 x 26-mm module on the motor, designers can distribute control for multiple motors.
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