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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: V1.04
Order No.: OPC 10000-15
Language: English

The Information Model schema and CSV files can be downloaded here:

https://opcfoundation.org/UA/schemas/1.04/Opc.Ua.Safety.NodeSet2.xml

https://opcfoundation.org/UA/schemas/Opc.Ua.Safety.NodeSet2.xml

https://www.opcfoundation.org/UA/schemas/1.04/Opc.Ua.Safety.NodeIds.csv

https://www.opcfoundation.org/UA/schemas/Opc.Ua.Safety.NodeIds.csv

 

 

Disclaimer / License:
License for supply of Specifications

Licensee acquires this license solely from PROFIBUS Nutzerorganisation e.V., having its principal place of business in Karlsruhe, Germany (hereinafter referred to as “Licensor”).

1. Specifications

1.1 Subject of this license agreement is each technical specification issued by the Licensor, in electronic form (hereinafter referred to as “SPECIFICATION”). Software is provided in object code only.

1.2 The SPECIFICATION distributed hereby has been developed by members of the Licensor. Licensor hereby notifies Licensee that the SPECIFICATION is not an industrial standard acknowledged by any standardization body or otherwise and may be further enhanced.

2. Rights and Duties of Licensee

2.1 Licensor hereby grants to Licensee the right to use the SPECIFICATION exclusively for developing and supporting products compliant with the SPECIFICATION. Licensee may copy the SPECIFICATION for this purpose and for data backup purposes.

2.2 Licensee shall not be entitled to modify, decompile, reverse engineer or extract any individual parts of the SPECIFICATION, unless this is permitted by mandatory copyright law. Furthermore, Licensee shall not be entitled to remove any alphanumeric identifiers, trademarks or copyright notices from the SPECIFICATION and, insofar as Licensee is entitled to make copies of the SPECIFICATION, Licensee shall copy them without alteration.

2.2 Licensee shall not be entitled to publish, market or distribute the SPECIFICATION. However, Licensee shall be entitled to transfer the right to use the SPECIFICATION granted to it to a third party, provided that Licensee concludes a written agreement with the third party in conformance with all of the conditions contained in this Section 2 and on the proviso that Licensee does not retain any copies of the SPECIFICATION.

3. Liability of Licensor

3.1 Licensor shall have no obligation to enhance the SPECIFICATION and shall assume no liability in case the SPECIFICATION or future versions thereof shall not be approved as an industrial standard.

3.2 The SPECIFICATION is delivered free of charge "as-is” to all members of the Licensor. Any liability and warranty for the SPECIFICATION - irrespective of the legal reason therefore - e.g. as to quality or title, its correctness, absence of defects, absence of claims of third party rights or in relation to its completeness and/or fitness for any specific purpose is excluded.
The Licensor is not liable for damages due to the use of the SPECIFICATION or for damages which have been caused by the design of hardware or software according to the information provided within the SPECIFICATION. Any liability for consequential, special or indirect damages including, but not limited to, loss of profit, loss of use and business interruption, regardless of the theory of law, are excluded.

3.3 The aforesaid exclusion of liability shall not apply as far as there is a legally binding liability, e.g. under product liability legislation, in cases of intent, of gross negligence, of injury of life, body or health or wilful hiding of a defect, or due to violation of major contractual obligations. However, liability for damages arising from the violation of major contractual obligations shall be limited to the foreseeable damage normally covered by a contract, unless in cases of intent or gross negligence. No change in the burden of proof to the detriment of Licensee is involved by the aforesaid provision.

4. Place of Jurisdiction and Applicable Law

4.1 The sole place of jurisdiction shall be the principal place of business of Licensor.

4.2 All relations arising out of the contract shall be governed by the substantive law of Germany, to the exclusion of the United Nations Convention on Contracts for the International Sale of Goods (CISG).


Files:
Please accept the Disclaimer / License Agreement before downloading.
# Date Filename Type Size
10/02/2021 OPC-UA-Safety_10000-15_V104_Oct19.pdf pdf 1 MB

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