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Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 109757316, Entry date: 07/19/2018
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Operating mode selection in conjunction with functional safety

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When implementing operating mode selection with functional safety, questions frequently arise regarding the requirements to be implemented. This application example is based on a practical safety concept - which is frequently used.

An FAQ already exists on the topic "Operating mode selection in conjunction with functional safety". This explains the interaction between operating modes and safety functions - and justifies this based on statements made in the relevant standards. You can find this FAQ at the following link 89260861 

The application example discussed here converts the statements of the FAQ into a practical solution. The focus is as follows:

  • Programming the operating mode selection and its interlock with the safety functions.

  • Creating a function block to verify the selected operating mode.


Several components from the SIMATIC, SINAMICS and SIRIUS product range are used to create a seamless solution:





  Documentation V1.0 (1,5 MB)

 Registrierung notwendig  Code V1.0 (13,7 MB)

 Registrierung notwendig  SET files (33,7 KB)


Additional Keywords 
service/automatic, manual, operation, service, production technology, SLS, mobile panel



Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
http://www.siemens.com/industrialsecurity.
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