BS EN 61158-5-12:2014 PDF

What is BS EN 61158-5-12 – Type 12 application layer service definition about?

BS EN 61158-5-12 is part of a series produced to facilitate the interconnection of automation system components. BS EN 61158-5-12 is related to other standards in the set as defined by the “three-layer” fieldbus reference model described in IEC 61158-1 . The fieldbus Application Layer (FAL) provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a “window between corresponding application programs.” BS EN 61158-5-12