The validation of the safety-related parts of a control system (SRP/CS) occurs through a combination of analysis and testing methodologies. The necessary prerequisites and processes can be found in EN ISO 13849-2 and EN/IEC 6206. The validation process audits the layout design and the conformity of the arrangement of the safety-related parts within a machine or plant. Under the terms of “Machinery Directive” 2006/ 42/EC, the validation process is a mandatory component of the CE-conformity assessment procedure.
The validation is to be carried out by an expert second party.
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