Communicating wirelessly with CAN networks

CiA has been developing new methods for improving communication through remote and wireless technologies.

10/05/2011


For several years, some vendors have provided CAN gateways with wireless links, especially those with Bluetooth applications. Therefore, devices connecting CAN and wireless networks have become standard for CiA members and technicians. The CiA 812 application note describes use cases for CiA 457 compliant gateways. The CiA 457 CANopen gateway profile specifies the wireless communication links. This includes configuration parameters and diagnostic as well status information. The profile supports Bluetooth, WLAN, and proprietary solutions. In typical applications single or multiple sensors are connected wireless to the CANopen network or remote radio I/O modules control the mobile machinery (e.g. crane and other construction machines). Those user panels are equipped with joysticks, pushbuttons, and other I/O elements. If the wireless connected modules are CANopen devices, a tunneling of CAN messages interpreted as CANopen protocols as specified in CiA 315 is reportedly possible. "Since August, CiA has released internally the CiA 315, CiA 457, and CiA 812 documents, which allow a flexible usage of wireless communication links in a CANopen system," said Holger Zeltwanger, CiA Managing Director. "Especially in mobile machines this will simplify system design of heterogeneous network architectures." The system integrator also should refer to the CiA 302-7 bridge-/router specification, in which the Remote SDO and Remote EMCY protocols are defined.

www.cia.org 

CAN in Automation

- Edited by Chris Vavra, Control Engineering, www.controleng.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.
Each year, a panel of Control Engineering and Plant Engineering editors and industry expert judges select the System Integrator of the Year Award winners in three categories.
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.
Additive manufacturing benefits; HMI and sensor tips; System integrator advice; Innovations from the industry
Robotic safety, collaboration, standards; DCS migration tips; IT/OT convergence; 2017 Control Engineering Salary and Career Survey
Integrated mobility; Artificial intelligence; Predictive motion control; Sensors and control system inputs; Asset Management; Cybersecurity
Featured articles highlight technologies that enable the Industrial Internet of Things, IIoT-related products and strategies to get data more easily to the user.
This article collection contains several articles on how automation and controls are helping human-machine interface (HMI) hardware and software advance.
This digital report will explore several aspects of how IIoT will transform manufacturing in the coming years.

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

Infrastructure for natural gas expansion; Artificial lift methods; Disruptive technology and fugitive gas emissions
Mobility as the means to offshore innovation; Preventing another Deepwater Horizon; ROVs as subsea robots; SCADA and the radio spectrum
Future of oil and gas projects; Reservoir models; The importance of SCADA to oil and gas
Automation Engineer; Wood Group
System Integrator; Cross Integrated Systems Group
Jose S. Vasquez, Jr.
Fire & Life Safety Engineer; Technip USA Inc.
This course focuses on climate analysis, appropriateness of cooling system selection, and combining cooling systems.
This course will help identify and reveal electrical hazards and identify the solutions to implementing and maintaining a safe work environment.
This course explains how maintaining power and communication systems through emergency power-generation systems is critical.
click me