{"id":32825,"date":"2024-08-26T16:07:00","date_gmt":"2024-08-26T14:07:00","guid":{"rendered":"https:\/\/cem-instruments.de\/de\/?p=32825"},"modified":"2025-04-26T16:14:47","modified_gmt":"2025-04-26T14:14:47","slug":"4-20ma-schleife","status":"publish","type":"post","link":"https:\/\/cem-instruments.de\/de\/4-20ma-schleife\/","title":{"rendered":"Wie man eine 4-20mA-Schleife misst, ohne die Dr\u00e4hte zu trennen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"32825\" class=\"elementor elementor-32825\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-b1e2a36 e-flex e-con-boxed e-con e-parent\" data-id=\"b1e2a36\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8589de elementor-widget elementor-widget-wd_text_block\" data-id=\"e8589de\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p class=\"\" data-start=\"33\" data-end=\"315\">In Industrieautomatisierungssystemen ist die pr\u00e4zise Erkennung von Milliamperstromsignalen entscheidend f\u00fcr die Gew\u00e4hrleistung des stabilen Betriebs von Ger\u00e4ten. Traditionelle Messwerkzeuge erfordern das Trennen des Stromkreises, was sowohl die Produktion beeintr\u00e4chtigt als auch Sicherheitsrisiken birgt.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-1b44957 e-flex e-con-boxed e-con e-parent\" data-id=\"1b44957\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01827ca wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"01827ca\" data-element_type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-center\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-l\">Pr\u00e4zise Erfassung von Milliamperstromsignalen<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-3ae1979 e-flex e-con-boxed e-con e-parent\" data-id=\"3ae1979\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5f11e5 elementor-widget elementor-widget-wd_text_block\" data-id=\"e5f11e5\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p>Das CEM DT-3170 Hochpr\u00e4zisions-Milliampere-Industrielle Prozessstromzangenmessger\u00e4t ist ein Pr\u00e4zisionsmesswerkzeug, das speziell f\u00fcr die industrielle Prozesskontrolle entwickelt wurde. Es ist kompakt, einfach zu bedienen, hochgenau und erm\u00f6glicht die Messung von 4-20mA Gleichstrom, ohne den Stromkreis zu trennen. Es eignet sich f\u00fcr die Milliampere-Strommessung in PLC (Programmierbare Logiksteuerung) und analogen I\/O-Signalen.<\/p><p class=\"\" data-start=\"749\" data-end=\"873\">Die Kernkompetenz des CEM DT-3170 liegt in seiner pr\u00e4zisen Reaktion auf die Anforderungen industrieller Szenarien.<\/p><p class=\"\" data-start=\"875\" data-end=\"1332\">Der Strombereich reicht von 0 bis 22,99 mA mit einer Aufl\u00f6sung von 0,01 mA und einer Genauigkeit von 0,3 %; im Strombereich von 21,0 bis 99,9 mA betr\u00e4gt die Aufl\u00f6sung 0,1 mA und die Genauigkeit 1,0 %. Mit der elektronischen Nullstellfunktion zur Beseitigung von Umwelteinfl\u00fcssen kann das Ger\u00e4t winzige Strom\u00e4nderungen in den 4-20mA-Analogsignalen von PLC- und DCS-Systemen erfassen und bietet eine zuverl\u00e4ssige Grundlage f\u00fcr die Diagnose des Ger\u00e4tezustands.<\/p><p class=\"\" data-start=\"1334\" data-end=\"1572\">Das Design mit einer maximalen Zangen\u00f6ffnung von 4,5 mm erm\u00f6glicht es Ingenieuren, den Strom in Echtzeit zu \u00fcberwachen, ohne den Stromkreis zu trennen, was es f\u00fcr die Echtzeit\u00fcberwachung in industriellen Steuerungssystemen geeignet macht.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-2bfb809 e-flex e-con-boxed e-con e-parent\" data-id=\"2bfb809\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3cadcd2 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"3cadcd2\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center\">\n\t\t\t\t\t\t\t\t<img width=\"345\" height=\"300\" fetchpriority=\"high\" decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzNDUiIGhlaWdodD0iMzAwIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIj48YW5pbWF0ZSBhdHRyaWJ1dGVOYW1lPSJmaWxsIiB2YWx1ZXM9InJnYmEoMTUzLDE1MywxNTMsMC41KTtyZ2JhKDE1MywxNTMsMTUzLDAuMSk7cmdiYSgxNTMsMTUzLDE1MywwLjUpIiBkdXI9IjJzIiByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgLz48L3JlY3Q+PC9zdmc+\" class=\"attachment-medium size-medium wp-image-32831\" alt=\"\" data-public-id=\"640_22_n4isjn\/640_22_n4isjn.webp\" data-format=\"webp\" data-transformations=\"f_auto,q_auto\" data-version=\"1745676009\" data-seo=\"1\" data-responsive=\"1\" data-size=\"345 300\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-4b278c8 e-flex e-con-boxed e-con e-parent\" data-id=\"4b278c8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df3abd4 elementor-widget elementor-widget-wd_text_block\" data-id=\"df3abd4\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p class=\"\" data-start=\"501\" data-end=\"621\">Das Design des DT-3170 spiegelt vollst\u00e4ndig seine Anpassungsf\u00e4higkeit an komplexe industrielle Umgebungen wider.<\/p><p class=\"\" data-start=\"623\" data-end=\"1091\">Im Gegensatz zu traditionellen Zangenmessger\u00e4ten verf\u00fcgt dieses Zangenmessger\u00e4t \u00fcber eine Fernzange, die \u00fcber ein Verl\u00e4ngerungskabel mit dem Hauptger\u00e4t verbunden ist. Das 1 Meter lange Verl\u00e4ngerungskabel und der abnehmbare Zangenkopf l\u00f6sen das Problem der Messung in engen R\u00e4umen wie Verteilerschr\u00e4nken und Maschinengeh\u00e4usen. Das doppelte Hintergrundbeleuchtungsdisplay und die LED-Anzeigen sorgen f\u00fcr Betriebssicherheit und Lesbarkeit der Daten in dunklen Umgebungen.<\/p><p data-start=\"623\" data-end=\"1091\">Die Datenhaltefunktion erfasst und zeigt kontinuierlich sich \u00e4ndernde Messwerte an, sodass Ingenieure Fehler schnell lokalisieren oder die Signalintegrit\u00e4t \u00fcberpr\u00fcfen k\u00f6nnen.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-fa3b7b1 e-flex e-con-boxed e-con e-parent\" data-id=\"fa3b7b1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bffa35d elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"bffa35d\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center\">\n\t\t\t\t\t\t\t\t<img width=\"400\" height=\"298\" decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MDAiIGhlaWdodD0iMjk4Ij48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIj48YW5pbWF0ZSBhdHRyaWJ1dGVOYW1lPSJmaWxsIiB2YWx1ZXM9InJnYmEoMTUzLDE1MywxNTMsMC41KTtyZ2JhKDE1MywxNTMsMTUzLDAuMSk7cmdiYSgxNTMsMTUzLDE1MywwLjUpIiBkdXI9IjJzIiByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgLz48L3JlY3Q+PC9zdmc+\" class=\"attachment-medium size-medium wp-image-32832\" alt=\"\" data-public-id=\"640_23_t7ijcy\/640_23_t7ijcy.webp\" data-format=\"webp\" data-transformations=\"f_auto,q_auto\" data-version=\"1745676009\" data-seo=\"1\" data-responsive=\"1\" data-size=\"400 298\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-1643bcd e-flex e-con-boxed e-con e-parent\" data-id=\"1643bcd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8f9aaf wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"a8f9aaf\" data-element_type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-center\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-l\">Von der Fehlerwarnung bis hin zur umfassenden Bef\u00e4higung der Energieeffizienz-Revolution<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-fc13465 e-flex e-con-boxed e-con e-parent\" data-id=\"fc13465\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d1d935 elementor-widget elementor-widget-wd_text_block\" data-id=\"2d1d935\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p class=\"\" data-start=\"2076\" data-end=\"2160\"><strong data-start=\"2086\" data-end=\"2158\">1. Prozesssteuerung, die \"Lebenslinie\" der Produktionslinie sch\u00fctzen<\/strong><\/p><p class=\"\" data-start=\"2162\" data-end=\"2572\">Die 4-20 mA-Schleife ist der Standard f\u00fcr die Signal\u00fcbertragung und elektronische Steuerung in Prozesssteuerungssystemen. Der Vorteil dieser Methode liegt darin, dass der Stromwert \u00fcber lange Distanzen stabil bleibt und der Strom durch alle Komponenten der Schleife auf einem konstanten Wert gehalten wird. Die Pr\u00fcfung der 4-20 mA-Schleife ist ein entscheidender Schritt bei der Kalibrierung aller Instrumente.<\/p><p class=\"\" data-start=\"2574\" data-end=\"2952\">Der vollst\u00e4ndige Schleifenpr\u00fcfprozess umfasst das Testen des Transmitter-Ausgangs, der Verkabelung, des Eingangs des Steuerungssystems, der Eingabekarte des Steuerungssystems und der Schleife des Transmitters. Derzeit verwenden viele Chemieunternehmen immer noch Multimeter, um 4-20mA-Signale zu testen, was erfordert, dass der Stromkreis zum Abschluss der Arbeit getrennt wird.<\/p><p class=\"\" data-start=\"2954\" data-end=\"3336\">Das CEM DT-3170 Hochpr\u00e4zisions-Milliampere-Industrielle Prozessstromzangenmessger\u00e4t erm\u00f6glicht die Diagnose und Wartung der 4-20 mA-Schleife, ohne den Stromkreis zu trennen oder das System herunterzufahren. Es kann die Stromwerte der PLC- und DCS-Schleifen in Echtzeit \u00fcberwachen und schnell \u00fcberpr\u00fcfen, ob die Ausg\u00e4nge von Temperatur-Transmittern und Drucksensoren verschoben sind.<\/p><p class=\"\" data-start=\"3338\" data-end=\"3854\"><strong data-start=\"3338\" data-end=\"3393\">2. Fehlerbehebung, schnelles Erkennen von Problemen<\/strong><br data-start=\"3393\" data-end=\"3396\" \/>Im Falle eines pl\u00f6tzlichen Produktionsausfalls erfordert die traditionelle Fehlerbehebung das Trennen jedes Knotens zur Pr\u00fcfung, was Stunden in Anspruch nehmen kann. Die F\u00e4higkeit des DT-3170, ohne Trennung des Stromkreises zu diagnostizieren, und das Verl\u00e4ngerungskabel-Design erm\u00f6glichen es Ingenieuren, die gesamte Signalkette schnell zu scannen \u2013 vom Motorsteuerkreis bis zu den Instrumentenanschlussk\u00e4sten \u2013 wobei keine Stromabweichung unbemerkt bleibt.<\/p><p class=\"\" data-start=\"3856\" data-end=\"3925\"><strong data-start=\"3856\" data-end=\"3923\">3. Energieeffizienz-Optimierung, Reduzierung von Stromverlusten<\/strong><\/p><p class=\"\" data-start=\"3927\" data-end=\"4400\">Im Rahmen der dualen Kohlenstoffziele ben\u00f6tigen Unternehmen dringend eine pr\u00e4zise Energiemanagementstrategie. Das DT-3170 kann den Standby-Strom genau messen und ineffiziente \"Stromfresser\" identifizieren. Sein leichtes Design und die 2 Meter fallresistente Konstruktion machen es f\u00fcr hochintensive Arbeitsumgebungen geeignet, w\u00e4hrend Funktionen wie das Spotlight-Design die Einstiegsh\u00fcrde senken und es neuen Ingenieuren erm\u00f6glichen, schnell mit der Nutzung zu beginnen.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-c19ced9 e-flex e-con-boxed e-con e-parent\" data-id=\"c19ced9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bdee60b elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"bdee60b\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center\">\n\t\t\t\t\t\t\t\t<img width=\"270\" height=\"300\" decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzAiIGhlaWdodD0iMzAwIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIj48YW5pbWF0ZSBhdHRyaWJ1dGVOYW1lPSJmaWxsIiB2YWx1ZXM9InJnYmEoMTUzLDE1MywxNTMsMC41KTtyZ2JhKDE1MywxNTMsMTUzLDAuMSk7cmdiYSgxNTMsMTUzLDE1MywwLjUpIiBkdXI9IjJzIiByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgLz48L3JlY3Q+PC9zdmc+\" class=\"attachment-medium size-medium wp-image-32833\" alt=\"\" data-public-id=\"640_24_ailjqz\/640_24_ailjqz.webp\" data-format=\"webp\" data-transformations=\"f_auto,q_auto\" data-version=\"1745676010\" data-seo=\"1\" data-responsive=\"1\" data-size=\"270 300\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-beca37b e-flex e-con-boxed e-con e-parent\" data-id=\"beca37b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20be6a8 elementor-widget elementor-widget-wd_text_block\" data-id=\"20be6a8\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p>Im Zeitalter von Industrie 4.0 und intelligenter Fertigung bietet das CEM DT-3170 mit seinen \"pr\u00e4zisen, flexiblen und zuverl\u00e4ssigen\" Eigenschaften eine effiziente und zuverl\u00e4ssige Strommessl\u00f6sung f\u00fcr den Automatisierungsbereich. Ob bei der Inbetriebnahme neuer intelligenter Fabriken oder der Wartung traditioneller Industrieanlagen, dieses Zangenmessger\u00e4t kann ein wertvoller Helfer f\u00fcr Ingenieure werden.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In Industrieautomatisierungssystemen ist die pr\u00e4zise Erkennung von Milliamperstromsignalen entscheidend f\u00fcr die Gew\u00e4hrleistung des stabilen Betriebs von Ger\u00e4ten. Traditionelle Messwerkzeuge erfordern<\/p>\n","protected":false},"author":5,"featured_media":32830,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cloudinary_featured_overwrite":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32825","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-studies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Wie man eine 4-20mA-Schleife misst, ohne die Dr\u00e4hte zu trennen - CEM Test Instruments GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cem-instruments.de\/de\/4-20ma-schleife\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wie man eine 4-20mA-Schleife misst, ohne die Dr\u00e4hte zu trennen - CEM Test Instruments GmbH\" \/>\n<meta property=\"og:description\" content=\"In Industrieautomatisierungssystemen ist die pr\u00e4zise Erkennung von Milliamperstromsignalen entscheidend f\u00fcr die Gew\u00e4hrleistung des stabilen Betriebs von Ger\u00e4ten. 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