Milestones
- February 2018:
Kick-Off Meeting of “PROFIsafe over OPC UA”, a joint working group between OPC Foundation and Profibus & Profinet International - November 2018
First presentation at OPCF press conference during SPS trade show 2018
- April 2019:
The FLC (Field-Level Communications) Initiative of the OPC Foundation decides to make of it for the safe exchange of data, and the working group is moved into that initiative - July 2019:
The specification is renamed “OPC UA Part 15: Safety” and becomes part of the OPC core set of specifications - October 2019:
Publication of OPC UA Safety Specification Release 1.04 (Evaluated against IEC 61784-3 by TÜV Süd)
FLC Initiative funds the development of an OPC UA Safety test tool - March 2020:
FLC Initiative funds development of a stack and invites other companies to participate - November 2021:
Publication of OPC UA Safety Specification Release 1.05
KEY FEATURES
- uses either OPC UA Client/Server or OPC UA PubSub (with or without TSN)
- unidirectional, bidirectional, and multicast communication patterns
- arbitrary structured user data, length: 1-1500 bytes
- arbitrary network-topology: line, tree, star, ring, mesh, …
- dynamic establishment of safe connections during runtime
- no requirements on regular (i.e. non-safe) network participants
- no need for synchronized clocks
- unlimited number of network components and terminals
- unlimited data rate
MATERIAL
- OPC UA Safety Technical Paper Link
- OPC UA Safety Introduction Link
- OPC UA Safety Stack Link
- OPC UA Safety Test Tool Link
CONTACT
Chairperson Christian Eitner christian.eitner_at_siemens.com
