IEC 61158-6:2003 ED3

Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 6: Application layer protocol specification IEC 61158-6:2003 ED3

Publication date:   May 27, 2003

General information

99.60 Withdrawal effective   Dec 14, 2007


TC 65/SC 65C

International Standard

25.040.40   Industrial process measurement and control | 35.100.70   Application layer | 35.240.50   IT applications in industry



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This part of IEC 61158 is one of a series produced to facilitate the interconnection of automation system components. It is related to other standards in the set as defined by the three-layer Fieldbus Reference Model, which is based in part on the Basic Reference Model for Open Systems Interconnection. Both Reference Models subdivide the area of standardisation for interconnection into a series of layers of specification, each of manageable size. This standard describes the Fieldbus Application Layer (FAL) protocol that defines the information interchange and the interactions between Application Entity invocations (AE-Is) to support the Application Services. The Application Protocol provides the Application Service by making use of the services available from the Data Link Layer or other immediately lower layer. The contents of the corrigendum of July 2004 have been included in this copy.

Life cycle


IEC 61158-6:2000 ED2


IEC 61158-6:2003 ED3
99.60 Withdrawal effective
Dec 14, 2007


IEC 61158-6:2003/COR1:2004 ED3