
Industrial Communication Networks - Fieldbus Specifications - Part 2: Physical Layer Specification And Service Definition
出版:Belgian Standards

专家解读视频
Describes the requirements for fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure agreed levels of: a) data integrity before Data Link Layer error checking; b) interoperability between devices at the Physical Layer.
Together with NBN EN 61784-1, NBN EN 61158-3, NBN EN 61158-4, NBN EN 61158-5 and NBN EN 61158-6 supersedes NBN EN 50170 and NBN EN 50254. (05/2007) Supersedes NBN EN 61491. (11/2009)