Optimised solution for cost-effective motion control

30 January 2013

A new compact electric cylinder (EPCO) and controller (CMMO), have been launched by Festo, as an addition to its optimised motion series positioning system.

The range is said to offer the advantages of full servo motion, but at a fraction of the cost, enabling machine builders and end-users to improve motion control and profit margins, as well as make significant cost savings on integration.

Traditionally, electrically operated actuators in many automation applications provide excellent positioning. However, as they are driven by servo motors, they are typically only commercially viable for the most arduous demands on accuracy and load.

CMMO is a compact controller designed for the new range of actuators, and is based on Festo’s servo light controller, but with improved performance, reduced size, cost and power consumption. It includes features such as safe torque off, integrated inputs for referencing and Ethernet diagnostics.

The CMMO controller carries its own web server, allowing users to parameterise it with any web browser on any type of computer. The system can also automatically connect to the company’s cloud parameter server to ensure it has the latest parameters for motor, axis and controller. As a result, the tuning is optimised for the application.

The EPCO cylinder is said to combine the advantages of pneumatic drives with those of electric drives: claimed to be as simple as a pneumatic cylinder, but with the precision and speed of an electric drive. The motor is integrated, which not only saves cost, but reduces the overall length of the assembly, allowing access to applications with small footprints.

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