Entry-level CANopen implementation by ESAcademy

San Jose, CA-The Embedded Systems Academy (ESAcademy) announced October 14 availability of MicroCANopen, an entry-level, minimized CANopen implementation. CANopen is a high level networking protocol based on the Controller Area Network.

10/17/2002


San Jose, CA - The Embedded Systems Academy (ESAcademy) announced October 14 availability of MicroCANopen , an entry-level, minimized CANopen implementation. CANopen is a high level networking protocol based on the Controller Area Network.

MicroCANopen can be considered for applications where the design engineers are uncertain if a higher-layer CAN protocol is required at all, or if they should ''roll-their-own'' and specify a basic CAN communication system themselves. MicroCANopen is implemented as CANopen compatible, however, it does not conform 100% to CANopen specifications. The compatibility allows using standard CANopen configuration tools and provides an upgrade path should the system become more complex in the future.

''With MicroCANopen we do not only provide our students with a simplified version of CANopen that shortens the learning curve;'' said Olaf Pfeiffer, president of ESAcademy. ''The minimized resource requirements make it one of the only CANopen implementations suitable for lowest-end CAN microcontrollers.''

Depending on the MicroCANopen features enabled and the microcontroller used, the code overhead for MicroCANopen is only in the area of 3k to 4k and some 150 to 200 bytes of RAM. First implementation examples are available for the microcontrollers 8xC591and XA-C3 from Philips Semiconductors and the 80C51CC01 from Atmel. More information about MicroCANopen and how it compares to a full CANopen implementation can be found at www.microcanopen.com .

Goals for the MicroCANopen implementation included:

  • Adapt the basics by adapting the minimal set of features required to cover standard communication methods and allow use of exiting CANopen tools.

  • Minimal resource requirements. Minimal learning curve by leaving out advanced features, for instance, allowing sending and receiving messages without mapping variables from an Object Dictionary into Process Data Objects.

Control Engineering Daily News Desk
Gary A. Mintchell, senior editor
gmintchell@reedbusiness.com





No comments
The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by...
The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
The Engineering Leaders Under 40 program identifies and gives recognition to young engineers who...
This eGuide illustrates solutions, applications and benefits of machine vision systems.
Learn how to increase device reliability in harsh environments and decrease unplanned system downtime.
This eGuide contains a series of articles and videos that considers theoretical and practical; immediate needs and a look into the future.
Sensor-to-cloud interoperability; PID and digital control efficiency; Alarm management system design; Automotive industry advances
Make Big Data and Industrial Internet of Things work for you, 2017 Engineers' Choice Finalists, Avoid control design pitfalls, Managing IIoT processes
Engineering Leaders Under 40; System integration improving packaging operation; Process sensing; PID velocity; Cybersecurity and functional safety
This article collection contains several articles on the Industrial Internet of Things (IIoT) and how it is transforming manufacturing.

Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

SCADA at the junction, Managing risk through maintenance, Moving at the speed of data
Flexible offshore fire protection; Big Data's impact on operations; Bridging the skills gap; Identifying security risks
The digital oilfield: Utilizing Big Data can yield big savings; Virtualization a real solution; Tracking SIS performance
click me