IEC-61158-6-23 › Industrial communication networks - Fieldbus specifications - Part 6-23: Application layer protocol specification – Type 23 elements
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IEC 61158-6-23:2019 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 2 fieldbus. The term “time-critical” is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life.
This International Standard specifies interactions between remote applications and defines the externally visible behavior provided by the Type 2 fieldbus application layer. The purpose of this document is to define the protocol provided to
a) define the wire-representation of the service primitives defined in this document, and
b) define the externally visible behavior associated with their transfer. This document specifies the protocol of the Type 2 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545).
This second edition includes the following significant technical changes with respect to the previous edition:
- addition of the transmission extended mode and related attribute (Clauses 3.2.28, 4.1.9, 4.4, 22.214.171.124, and 5.3);
- update of Table 4, Table 5, Table 16 and Table 48.
To find similar documents by classification:
35.110 (Networking Including local area networks (LAN), metropolitan area networks (MAN), wide area networks (WAN), etc. Private Integrated Services Network (PISN), see 33.040.35 Integrated Services Digital Network (ISDN), see 33.080)
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IEC 61158-6-23 Ed. 2.0 en:2019
June 1, 2019