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IEC 61158-2 Ed. 6.0 b:2014
M00000773
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IEC 61158-2 Ed. 6.0 b:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
standard by International Electrotechnical Commission, 07/17/2014
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IEC 61158-2:2014 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. This sixth edition cancels and replaces the fifth edition published in 2010. It constitutes a technical revision. This edition includes the following changes:- new Type 20 specification;
- new Type 24 specification;
- RS232 media specification for Type 4 removed.