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Compliance Testing and Certification
Moore Industries believes it is of vital importance to have third-party SIS evaluation for plant safety provided by a company with global coverage and reputation. Earlier designs for process control and safety systems typically used "good engineering practices and experience" as their guidelines. As safety awareness evolved new standards started to evolve. International standards such as IEC 61508/61511 and U.S. born standards like ANSI/ISA84 require the use of more sophisticated guidelines for implementing safety. Unfortunately for manufacturers, compliance with IEC 61508 standards requires enormous documentation. In addition, more complex products require a greater depth of analysis. Software-based products such as those from Moore Industries are complex with their inherent programmable and flexible features unlike previous generation single function analog circuits.
Some companies are actively attempting to bypass the vital third party certification by proclaiming self certification to IEC 61508. This is not in the best interest of end users or the safety industry in general. Self certification is analogous as someone proclaiming compliance without third party testing on a hazardous area approval (such as Intrinsically-Safe).
Moore Industries has been working for many years with customers who require products for safety systems, including those compliant with worldwide safety standards such as ANSI/ISA 84 and IEC 61508/61511. To assist customers in determining if their instruments are appropriate for specific safety systems, Moore Industries has been providing Failure Modes, Effects and Diagnostic Analysis (FMEDA) reports for key products, and has been involved in the evolution of the IEC 61508 standard. As this standard has become more widely recognized and adopted by worldwide customers it was clear that end users were looking for products which had been designed to IEC 61508 from their initial concept. Customers are demanding not only compliance to the standards but verification from an independent third party agency such as TUVRheinland.
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