{"id":55571,"date":"2017-06-16T13:06:30","date_gmt":"2017-06-16T10:06:30","guid":{"rendered":"https:\/\/yilkomer.com\/rs-232-rs485-ve-4-20-ma-rtu-sinyallerinin-asiri-gerilimden-korunmasi\/"},"modified":"2026-01-18T19:37:23","modified_gmt":"2026-01-18T16:37:23","slug":"schutz-von-rs-232-rs-485-und-4-20-ma-rtu-signalen-vor-ueberspannung","status":"publish","type":"post","link":"https:\/\/yilkomer.com\/de\/schutz-von-rs-232-rs-485-und-4-20-ma-rtu-signalen-vor-ueberspannung\/","title":{"rendered":"Schutz von RS-232-, RS-485- und 4\u201320-mA-RTU-Signalen vor \u00dcberspannung"},"content":{"rendered":"<p>RS 232 und RS 485, die Kommunikationsprotokolle, die wir h\u00e4ufig in der industriellen Automatisierung und in Fabriken sehen, sind weit verbreitet und geh\u00f6ren zu den Hauptbereichen, in denen sich pl\u00f6tzliche \u00dcberspannungsimpulse ausbreiten. Auch 4-20 mA-Signale treffen wir h\u00e4ufig in empfindlichen Elektronik- und Automatisierungssystemen an.<\/p>\n<blockquote>\n<p style=\"text-align: center;\"><strong>Das k\u00f6nnte Sie interessieren: <a href=\"https:\/\/yilkomer.com\/de\/faradayscher-kaefig\/\">Faraday-K\u00e4fig<\/a><\/strong><\/p>\n<\/blockquote>\n<h2>4-20 mA Schutz (RTU-Schutz)<\/h2>\n<p>Das \u00dcberspannungsschutzger\u00e4t RayDat PLP 24 ist f\u00fcr den Schutz von Datenschaltkreisen wie 4-20 mA Stromschleifen in industriellen Umgebungen konzipiert. Sein 3\/4-Zoll-Rohranschluss macht es ideal f\u00fcr Anwendungen wie den Schutz von Sensoren, Messwandlern und RTUs. Die Einheit kann in einer Linie mit dem Kabelkanal und den Sensoranschl\u00fcssen oder in einer &#8222;T&#8220;-Konfiguration angeordnet werden.<\/p>\n<p><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6202\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28.jpg\" alt=\"\" width=\"410\" height=\"379\" srcset=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28.jpg 614w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28-300x278.jpg 300w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28-158x146.jpg 158w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28-50x46.jpg 50w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28-81x75.jpg 81w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.31.28-600x555.jpg 600w\" sizes=\"auto, (max-width:767px) 410px, 410px\" \/><\/a><\/p>\n<h3><strong>Technische Daten<\/strong><\/h3>\n<ul>\n\u00a0\t<\/p>\n<li>Betriebsspannung: 24VDC<\/li>\n<p>\u00a0\t<\/p>\n<li>Maximale Betriebsspannung: 28VDC<\/li>\n<p>\u00a0\t<\/p>\n<li>Frequenz: 3,0 MHz<\/li>\n<p>\u00a0\t<\/p>\n<li>Ableitverm\u00f6gen: In: 10kA, Imax: 20kA<\/li>\n<p>\u00a0\t<\/p>\n<li>3\/4 Edelstahl-Montagerohr 2,5 mm<\/li>\n<p>\u00a0\t<\/p>\n<li>Konform mit IEC \/ EN 61643-21<\/li>\n<\/ul>\n<blockquote>\n<p style=\"text-align: center;\"><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/RayDat-PLP-24.pdf\"><strong>Datenblatt herunterladen<\/strong><\/a><\/p>\n<\/blockquote>\n<h2><strong>RS 485 und RS 422 Schutz<\/strong><\/h2>\n<p>RayDat RS 485 wurde entwickelt, um den 2-Wege-Daten\u00fcbertragungskreis f\u00fcr die Protokolle RS 485, RS 422 und V.11 zu sch\u00fctzen. Der Schaltkreis besteht aus zwei symmetrischen Pfaden mit Potentialausgleich zwischen ihnen. W\u00e4hrend eines pl\u00f6tzlichen \u00dcberspannungsimpulses wird ein Potentialausgleich zwischen der Signalmasse und der Schutzerde hergestellt, um Ger\u00e4tesch\u00e4den durch Erdpotential zu verhindern.<\/p>\n<h3>Technische Daten<\/h3>\n<ul>\n\u00a0\t<\/p>\n<li>Betriebsspannung: 5 V<\/li>\n<p>\u00a0\t<\/p>\n<li>Maximale Betriebsspannung: 6 V<\/li>\n<p>\u00a0\t<\/p>\n<li>Serieninduktivit\u00e4t: 1,7..1,9 Ohm<\/li>\n<p>\u00a0\t<\/p>\n<li>Frequenz: 1 Mhz<\/li>\n<p>\u00a0\t<\/p>\n<li>Schienenmontage<\/li>\n<p>\u00a0\t<\/p>\n<li>Konform mit IEC \/ EN 61643-21<\/li>\n<\/ul>\n<p><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6207 aligncenter\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14.jpg\" alt=\"\" width=\"414\" height=\"514\" srcset=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14.jpg 474w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14-242x300.jpg 242w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14-118x146.jpg 118w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14-40x50.jpg 40w, https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/Ekran-Resmi-2017-06-16-15.45.14-60x75.jpg 60w\" sizes=\"auto, (max-width:767px) 414px, 414px\" \/><\/a><\/p>\n<blockquote>\n<p style=\"text-align: center;\"><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2017\/06\/RayDat-RS-485.pdf\"><strong>Datenblatt herunterladen<\/strong><\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>RS 232 und RS 485, die Kommunikationsprotokolle, die wir h\u00e4ufig in der industriellen Automatisierung und in Fabriken sehen, sind weit verbreitet und geh\u00f6ren zu den Hauptbereichen,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":55572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[194],"tags":[],"class_list":["post-55571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nicht-kategorisiert"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.2.1 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Schutz von RS-232-, RS-485- und 4\u201320-mA-RTU-Signalen vor \u00dcberspannung<\/title>\n<meta name=\"description\" content=\"Die Kommunikationsprotokolle RS-232 und RS-485, denen wir in der industriellen Automatisierung und in Fabriken h\u00e4ufig begegnen, treten h\u00e4ufig auf\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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