标准摘要
Specified in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). Specifies interactions between remote applications in terms of - an abstract model for defining application resources capable of being manipulated by users via the use of FAL Services; - the primitives associated with each FAL Service; - the parameters associated with each primitive; - the interrelationship between and the valid sequences of the primitives for each service.
英文名称Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 5: Application Layer Service definition