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OPC UA Safety Specification
OPC UA , PROFIsafe
Description:
This specification has its origin in a Joint Working Group between the OPC Foundation and PI (PROFIBUS & PROFINET International). The experts of this Joint Working Group elaborated a safety concept for controller-to-controller communication using the black channel approach according to IEC 61784-3 "Functional safety fieldbuses" based on the OPC UA Client/Server communication model.
The document describes services and protocols for the exchange of data using OPC UA mechanisms. It extends OPC UA to fulfill the requirements of functional safety as defined in the IEC 61508 and IEC 61784-3 series of standards. OPC UA Safety does this in such a way that OPC UA can be used for applications requiring functional safety up to the Safety Integrity Level (SIL) 4. The resulting SIL claim of a system depends on the way implementation of Safety over OPC UA is implemented within this system. That means that if a certain SIL is desired, this specification has to be implemented on a device which fulfils the requirements for this SIL as described in IEC 61508. In particular, measures against random hardware failures and systematic errors (e.g. software bugs) must be taken.
Version: R1.05.03
Order No.: OPC 10000-15
Language: English
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Draft for review:
Details:
Version: RC1.05.04
Order No.: OPC 10000-15
Language: English
This draft is published for testing and review only. It must not be used for development purposes.
Comments to be submitted to www.profibus-project.com until August 2, 2024.
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Files:
| # | Date | Filename | Type | Size |
|---|---|---|---|---|
| 13/07/2022 | OPC-UA-Safety-NodeSet_RC10502.zip | zip | 8 KB | |
| 29/01/2024 | OPC-UA-Safety_10000-15_V10503_Dec23.pdf | 2 MB | ||
| 06/05/2024 | OPC-UA-Safety_10000-15_RC10504_Apr24.pdf | 2 MB |
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