Bei-sensors THK5 Manual de usuario descargar pdf (Pagina 5)

POSI+ CANOPEN USER MANUAL

Version 1.02 Page 5

BEI IDEACOD SAS

Espace Européen de l’Entreprise

9, rue de Copenhague

B.P. 70044 Schiltigheim

F 67013 Strasbourg Cedex

Tél : +33 (0)3 88 20 80 80

Fax : +33 (0)3 88 20 87 87

Mail : info@bei-ideacod.com

Web : www.bei-ideacod.com

1.3 CAN Communication Reference Model

The communication concept can be described similar to the ISO-OSI Reference Model:

CANbus

The communication model* supports synchronous and asynchronous messages. With respect to

the functionality four different message objects are provided:

Administrational Messages (LMT, NMT)

Service Data Messages (SDO)

Process Data Messages (PDO)

Pre-defined Messages (Synchronisation and Emergency Messages)

Further information is available at:

CAN in Automation (CiA) International Users and Manufacturers Group e.V.

Am Weichselgarten 26

D-91058 Erlangen

(*) Reference: CAN Application Layer for Industrial Applications

CiA Draft Standard 201 ... 207, Version 1.1

CAL-based Communication Profile for Industrial Systems

CiA Draft Standard 301

Device A Device B Device C Device X

ISO/OSI Layer 7: CAL

NMT DBT LMT CMS

ISO/OSI Layer 2: Data Link Layer

ISO/OSI Layer 1: Physical Layer

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Bei-sensors THK5 Manual de usuario Pagina 5