{"id":655,"date":"2010-04-16T14:48:27","date_gmt":"2010-04-16T12:48:27","guid":{"rendered":"https:\/\/blog.wika.com\/de\/?p=655"},"modified":"2022-01-14T10:51:31","modified_gmt":"2022-01-14T09:51:31","slug":"mttfd-sil-maschinenbau","status":"publish","type":"post","link":"https:\/\/blog.wika.com\/de\/know-how\/mttfd-sil-maschinenbau\/","title":{"rendered":"MTTFd und SIL: warum ben\u00f6tigt man MTTFd-Werte im Maschinenbau?"},"content":{"rendered":"<p><strong>Mit Inkrafttreten der neuen Sicherheitsrichtlinie f\u00fcr\u00a0den Maschinen- und Anlagenbau 2006\/42\/EG m\u00fcssen elektrische Steuerungen nach dem Grad ihrer Zuverl\u00e4ssigkeit bewertet werden. Nach der DIN EN ISO 13849 werden sicherheitsrelevanten Maschinensteuerungen in verschiedene \u201ePerformance Level\u201c (PL) eingeteilt- und genau dazu werden die MTTFd-Werte (mittlere Zeit bis zum gef\u00e4hrlichen Ausfall) der einzelnen Komponenten\/ Bauteile der Maschine ben\u00f6tigt.<\/strong><\/p>\n<p>(Eine \u00e4hnliche Aufteilung wird \u00fcbrigens in IEC 62061 und IEC 61508 vorgenommen. Hier werden Komponenten von Steuerungen aufgrund ihrer durchschnittlichen Ausfallwahrscheinlichkeit pro Stunde (PFDa) mittels \u201eSafety Integrity Level\u201c (SIL) kategorisiert. Diese Normen finden vor allem in der Prozessindustrie Anwendung.)<\/p>\n<p>Ein typisches Produktbeispiel ist der eigensichere Druckmessumformer <a href=\"http:\/\/de-de.wika.de\/product_replacement_is_2x_is_3_de_de.WIKA\" target=\"_blank\" rel=\"noopener noreferrer external\">IS-2X mit SIL-Option<\/a>. F\u00fcr dieses Ger\u00e4t wurde der MTTFd-Wert ermittelt und kann aus der Zusatzanleitung \u201eSicherheitstechnische Daten\u201c entnommen werden.<\/p>\n<p><strong>Lesen Sie auch unsere Beitr\u00e4ge<\/strong><br \/>\n<a title=\"Wie sind MTTF und MTBF definiert und worin liegt der Unterschied?\" href=\"https:\/\/blog.wika.com\/de\/know-how\/mttf-mtbf-definiert-unterschied\/\">Wie sind MTTF und MTBF definiert und worin besteht der Unterschied?<\/a><br \/>\n<a href=\"https:\/\/blog.wika.com\/de\/know-how\/drucksensoren-sil-begriffe-abkuerzungen\/\">Drucksensoren nach SIL \u2013 H\u00e4ufig verwendete Begriffe und Abk\u00fcrzungen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mit Inkrafttreten der neuen Sicherheitsrichtlinie f\u00fcr\u00a0den Maschinen- und Anlagenbau 2006\/42\/EG m\u00fcssen elektrische Steuerungen nach dem Grad ihrer Zuverl\u00e4ssigkeit bewertet werden. Nach der DIN EN ISO 13849 werden sicherheitsrelevanten Maschinensteuerungen in verschiedene \u201ePerformance Level\u201c (PL) eingeteilt- und genau dazu werden die MTTFd-Werte (mittlere Zeit bis zum gef\u00e4hrlichen Ausfall) der einzelnen Komponenten\/ Bauteile der Maschine ben\u00f6tigt. (Eine [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2047,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[393],"tags":[486,483,484],"class_list":["post-655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-know-how","tag-ausfall","tag-funktionale-sicherheit-sil","tag-performance-level"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MTTFd &amp; SIL: warum ben\u00f6tigt man MTTFd-Werte? - WIKA-Blog<\/title>\n<meta name=\"description\" content=\"Mit Inkrafttreten der neuen Sicherheitsrichtlinie f\u00fcr\u00a0den Maschinen- und Anlagenbau 2006\/42\/EG m\u00fcssen elektrische Steuerungen nach dem Grad ihrer\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.wika.com\/de\/know-how\/mttfd-sil-maschinenbau\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MTTFd &amp; SIL: warum ben\u00f6tigt man MTTFd-Werte? 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