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Charlotte Stonestreet
Managing Editor |
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Advanced motion controller for brushless DC motors
13 March 2025
AVAILABLE WITH full support from Mclennan, Portescap’s new PCR 56/06 EC SD is an intelligent drive for single-axis control of brushless DC motors.

Offered as an integrated hardware and software developer kit package for rapid product development as well as a drive/control option for series production, the ultra-compact motion controller features a powerful 350W drive stage and includes Windows-based motion and diagnostic software with auto-tuning as well as C-based command sets.
In terms of performance the PCR 56/06 EC SD includes S-curve, trapezoidal, velocity contouring, and electronic gearing profiles with position, velocity and torque control modes. Powered from 12 to 56V DC with a continuous output of up to 5.5A, the drive stage features an advanced PID filter with velocity and acceleration feedforward providing smooth precision motion. Hall sensor and encoder feedback options are available. A module-only option without power supply is offered for direct mounting on the customer’s PCB. With a footprint of less than 38 mm x 38 mm and a depth of just 16.8 mm this option facilitates a smooth transition from product development to cost efficient production. Control flexibility is further offered through a choice of Ethernet, Serial or SPI host communications.
The new PCR 56/06 EC SD is very much aimed at ensuring seamless and rapid integration into the customer’s application and will be a compelling choice for product development in medical and life science equipment, small-scale robotic systems, and many other assembly and process automation fields.
With its own in-house system design and production capability and wide experience of Portescap’s BLDC motors, Mclennan can provide complete application engineering support for the PCR 56/06 EC SD. The motion control specialist works closely with a select number of globally recognised distribution partners providing motion control and automation solutions from single components to complete systems - including stepper, brushed and brushless servo motors, integrated motors, drives, gear units and ancillary mechanics, positioning stages, motion controllers and motion software - with training and comprehensive after sales support.
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