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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.040 Industrial automation systems>25.040.40 Industrial process measurement and control>BS EN 61158-4-8:2008 Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 8 elements
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BS EN 61158-4-8:2008 Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 8 elements

BS EN 61158-4-8:2008

Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 8 elements

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Standard number:BS EN 61158-4-8:2008
Pages:136
Released:2008-05-30
ISBN:978 0 580 61579 5
Status:Standard
DESCRIPTION

BS EN 61158-4-8:2008


This standard BS EN 61158-4-8:2008 Industrial communication networks. Fieldbus specifications is classified in these ICS categories:
  • 35.100.20 Data link layer
  • 25.040.40 Industrial process measurement and control
IEC 61158-4-8:2007 provides a highly-optimized means of interchanging fixed-length input/output data and variable-length segmented messages between a single master device and a set of slave devices interconnected in a loop (ring) topology. The exchange of input/output data is totally synchronous by configuration, and is unaffected by the messaging traffic. Devices are addressed implicitly by their position on the loop. The determination of the number, identity and characteristics of each device can be configured, or can be detected automatically at start-up. This first edition and its companion parts of the IEC 61158-4 subseries cancel and replace IEC 61158-4:2003. It constitutes an editorial revision and includes the following significant changes:
- deletion of the former Type 6 fieldbus and the placeholder for a Type 5 fieldbus data link layer, for lack of market relevance;
- addition of new types of fieldbuses;
- division of this part into multiple. This bilingual version corresponds to the monolingual English version, published in 2007-12.