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Technosoft motors support CANopen communication

Posted: 24 Oct 2007     Print Version  Bookmark and Share

Keywords:CANopen communication  CAN  firmware 

Technosoft says that all its intelligent drives and motors now support CANopen communication. Embedding motion control, drive and PLC functionalities in a single compact unit, these drives cover all type of brushless, DC, linear or step motor applications from 25W (45V, 0.5A) up to 3kW (325V, 10A). The motors (brushless and stepping) integrate power electronics, controller, position sensor and interface in one compact unit with basic local digital and analogue I/O signals. These new generations of Technosoft products offer the powerful CANopen communication option to motion automation builders who use the CANopen DSP 402 standard. The popular CANopen protocol has emerged as the dominant CAN solution for motion control applications throughout the world, due to its low cost per node, simple wiring and extensive support.

Besides CANopen DS301 and DS402 profiles, Technosoft CANopen drives / motors can execute complex motion programs directly on drive, using the high-level Technosoft motion language (TML). This greatly simplifies the master's task: motion functions pre-stored in the drive's memory can just be called or executed via I/O signals.

Compatible with EasyMotion Studio for quick configuration and motion programming at drive level, the CANopen drives/motors offer a flexible and easy-to-implement solution for a wide range of applications. The new firmware version supports the CANopen protocol for all products with CAN interface. Thus, through simple software configuration, you will get a CANopen version of your drive/motor.

The motion programming can be done either from a CANopen master (via PC/PLC) using the appropriate motion library, or directly at drive level, using the built-in motion controller and the EasyMotion Studio platform. The software provides a simple, graphical way of creating motion programs written in TML. It automatically generates all the TML instructions, so you don't need to learn or write TML code. Using TML programming, you can save development time with complex applications.

In addition to the DS-402 modes of operation—velocity profile, position profile (with trapezoidal or S-curve speed), homing and interpolated position (3rd order PVT or 1st order PT)—some of Technosoft drives also offer other motion modes, like electronic camming and gearing—including the option of supervising a second motion profile over electronic gearing.

Technosoft drives/motors offer machine builders a short time-to-market solution. Thanks to local intelligence based on TML programming, the user can really simplify complex applications, by distributing the intelligence between the master and the drives / motors. Thus, instead of trying to command each step of an axis movement from the master, they can program the drives/motors, using TML, to execute complex tasks—and inform the master when these tasks have been completed.

- Henri Arnold
EE Times Europe

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