RO
SR EN 61158-2:2008
Industrial communication networks - Fieldbus specifications -- Part 2: Physical layer specification and service definition
It specifies the requirements for fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure agreed levels of data integrity before data-link Layer error checking and interoperability between devices at the physical layer. The fieldbus physical layer conforms to layer 1 of the OSI 7-layer model as defined by ISO 7498 with the exception that, for some types, frame delimiters are in the physical layer while for other types they are in the data-link Layer. It includes the following significant technical changes with respect to the previous edition deletion of the former Type 6 fieldbus for lack of market relevance; addition of new fieldbus types; generalization of the seldom-used Type 1 radio to a more useful form.
Status :
Withdrawn
Approval date : 9/30/2008
Publish date : 10/2/2008
Withdrawal date : 9/1/2013
Number of pages : 419
ICS : 25.040.40 Industrial process measurement and control,35.100.10 Physical layer,35.240.50 IT applications in industry
Technical Committee : 23 - Industrial -process measurement and control
- Replaces SR EN 61158-2:2004
- Replaces SR EN 61491:2003
- Replaced by SR EN 61158-2:2011