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Publication details

Publication CODE Title
IEC 61158-5-26:2023 (2023-03) INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 5-26: APPLICATION LAYER SERVICE DEFINITION - TYPE 26 ELEMENTS
 
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398.00 € 116.
Description
IEC 61158-5-26:2023 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 26 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 document defines in an abstract way the externally visible service provided by the Type26 fieldbus application layer in terms of:
an abstract model for defining application resources (objects) capable of being manipulated by users via the use of the FAL service;
the primitive actions and events of the service;
the parameters associated with each primitive action and event, and the form which they take; and
the interrelationship between these actions and events, and their valid sequences.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN version

Status
Status IEC PUBLICATION
Situation Currently active
Replaces  IEC 61158-5-26:2019
Origin
Committee TC 65/SC 65C
DIGITAL COMMUNICATIONS
Responsible Ir DELENS Marc
Approval
BEC Approval 2023-03-16
ICS-Code (International Standards Classification) 25.040.40 , 35.100.70 , 35.110
NBN Status New
IEC publication date 2023-03-16
IEC stability date 2028-12-31
IEC file modification date 2023-03-16
IEC last modification date 2023-03-16