The redundancy concept used in CANopen networking is defined in the Draft Standard Proposal (DSP) 302 published by the non-profit CAN in Automation (CiA) international users and manufacturers group. This concept provides an additional hot stand-by network as well as a multiple network management master (NMT) approach. The device monitoring (presence detection by the Heartbeat message) is described in the CANopen application layer standard (EN 50325-4). Maritime electronics networks require not only redundant bus-lines but also redundancy regarding the network management. The internationally standardized CANopen application layer (EN 50325-4) has been enhanced to these requirements. The definitions of this redundancy concept have been developed within CiA's CANopen Special Interest Group (SIG) Maritime Electronics. The CANopen application layer has been used in several applications fields including industrial machine control, medical devices, crane control systems, lift applications, and embedded door electronics. The defined redundancy concepts increase the availability of the CANopen-based maritime electronics control system even in case of one 'broken' network without lost of PDO messages. It has been proven in several marine applications and will be submitted for international standardization to the responsible IEC technical committee. CANopen has become a standard in many different application fields and has been accepted as a NATO recommended network standard as well as for other mission-critical applications.
CANopen framework for maritime electronics
Der CANopen-Rahmen für Schiffselektronik
2004
5 Seiten, 4 Bilder, 4 Quellen
Conference paper
Storage medium
English
CANopen framework for maritime electronics
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