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FAQ of the Day Question: What characterizes "fail-to-safe" operation? Answer: "Fail-to-safe" safety devices are designed such that a component failure will cause the device to attain rest in a safe condition. This term is generally applied to electronic safety interlock systems using non-mechanical presence or position sensors (such as reed switches, proximity switches, et al) and/or safety circuit monitoring modules. Such modules are often designed to feature redundancy, self-diagnostics, and positive contacts. SCHMERSAL offers its articles, product releases and Newletters in electronic format. You can view and print the documents using Adobe's Acrobat Reader. If you don't have this free plug-in you can download it on Adobe's website. |
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