99.60 Withdrawal effective Sep 19, 2017
CENELEC
CLC/TC 65X Industrial-process measurement, control and automation
European Norm
25.040.40 Industrial process measurement and control | 35.100.20 Data link layer
It basic time-critical messaging communications between devices in an automation environment. This protocol provides a means of connecting devices through a partial mesh network, such that most failures of an interconnection between two devices can be circumvented. In common practice the devices are interconnected in a non-redundant hierarchical manner reflecting application needs. It includes the following significant changes with respect to the previous edition deletion of the former Type 6 fieldbus, and the placeholder for a Type 5 fieldbus data-link layer, for lack of market relevance; addition of new types of fieldbuses; division of this part into multiple parts numbered.
WITHDRAWN
EN 61158-4:2004
WITHDRAWN
EN 61158-4-4:2008
99.60
Withdrawal effective
Sep 19, 2017
WITHDRAWN
EN 61158-4-4:2014