{"id":7075,"date":"2025-10-14T11:49:20","date_gmt":"2025-10-14T09:49:20","guid":{"rendered":"https:\/\/membraflow.eu\/?post_type=glossary&#038;p=7075"},"modified":"2025-10-14T11:49:22","modified_gmt":"2025-10-14T09:49:22","slug":"programmable-logic-controllers-plc","status":"publish","type":"glossary","link":"https:\/\/membraflow.eu\/en\/lexikon\/programmable-logic-controllers-plc\/","title":{"rendered":"Programmable Logic Controllers (PLC)"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Kurzdefinition<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Programmable Logic Controllers (PLC), im Deutschen als Speicherprogrammierbare Steuerungen (SPS) bezeichnet, sind robuste Industriecomputer zur Echtzeit-Steuerung und -Regelung automatisierter Prozesse. Sie ersetzen fest verdrahtete Relaissteuerungen durch frei programmierbare Software. PLCs verarbeiten digitale und analoge Signale mit hoher Zuverl&auml;ssigkeit unter rauen Umgebungsbedingungen. In Membranfiltrationsanlagen bilden PLCs das zentrale Automatisierungselement f&uuml;r pr&auml;zise Prozessf&uuml;hrung, Sicherheitsfunktionen und Integration in &uuml;bergeordnete Leitsysteme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Funktionsprinzip<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der PLC-Zyklus umfasst Einlesen der Eing&auml;nge, Programmabarbeitung und Ausgabe der Stellbefehle in Millisekunden-Taktung. Die Programmierung erfolgt nach IEC 61131-3 in Sprachen wie <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Ladder Logic&lt;\/div&gt;&lt;div class=glossaryItemBody&gt; \n&amp;lt;h2 class=&amp;quot;wp-block-heading&amp;quot;&amp;gt;Kurzdefinition&amp;lt;\/h2&amp;gt;\n&amp;lt;br \/&amp;gt;\n&amp;lt;p&amp;gt;Ladder Logic (Kontaktplan, KOP) ist eine grafische(...)&amp;lt;\/p&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/membraflow.eu\/en\/lexikon\/ladder-logic\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>Ladder Logic<\/a>, Funktionsplan, Strukturierter Text oder GRAFCET. Modulare I\/O-Systeme erm&ouml;glichen flexible Konfiguration. Kommunikationsschnittstellen wie PROFINET, EtherNet\/IP oder OPC UA verbinden PLCs mit <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;HMI-Visualisierung&lt;\/div&gt;&lt;div class=glossaryItemBody&gt; \n&amp;lt;p&amp;gt;Eine &amp;lt;strong&amp;gt;HMI-Visualisierung&amp;lt;\/strong&amp;gt; (Human Machine Interface-Visualisierung) bezeichnet die(...)&amp;lt;\/p&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/membraflow.eu\/en\/lexikon\/hmi-visualisierung\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>HMI<\/a>, SCADA und MES. Integrierte Webserver erm&ouml;glichen Remote-Diagnose. Safety-PLCs erf&uuml;llen Sicherheitsanforderungen bis SIL 3 mit zertifizierten Funktionsbausteinen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Anwendungsgebiete<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PLCs sind das Arbeitspferd der industriellen Automatisierung und finden in nahezu jeder Membranfiltrationsanlage Verwendung. Sie bieten optimales Preis-Leistungs-Verh&auml;ltnis, bew&auml;hrte Zuverl&auml;ssigkeit und weltweite Verf&uuml;gbarkeit. Von kompakten Steuerungen f&uuml;r einzelne Filtereinheiten bis zu vernetzten Multi-PLC-Systemen in gro&szlig;en Wasserwerken decken sie alle Automatisierungsanforderungen ab.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Typische Anwendungsbereiche:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stand-alone Steuerungen f&uuml;r modulare Filtrationseinheiten<\/li>\n\n\n\n<li>Koordination mehrerer Prozessschritte in Batch-Anlagen<\/li>\n\n\n\n<li>Motion Control f&uuml;r Antriebe und Positionieraufgaben<\/li>\n\n\n\n<li>Integration von Safety-Funktionen und Prozesssteuerung<\/li>\n\n\n\n<li>Edge-Computing f&uuml;r lokale Datenverarbeitung und Diagnose<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zusammenfassung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PLCs sind der Industriestandard f&uuml;r zuverl&auml;ssige Prozessautomatisierung mit bew&auml;hrter Technologie und weltweiter Verf&uuml;gbarkeit. Sie bieten maximale Flexibilit&auml;t durch freie Programmierbarkeit bei hoher Robustheit. F&uuml;r Anlagenbauer und Betreiber bedeuten sie langfristige Investitionssicherheit, breite Lieferantenbasis und umfassende Engineering- und Service-Unterst&uuml;tzung in der Membranfiltration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kurzdefinition Programmable Logic Controllers (PLC), im Deutschen als Speicherprogrammierbare Steuerungen (SPS) bezeichnet, sind robuste Industriecomputer zur Echtzeit-Steuerung und -Regelung automatisierter Prozesse. Sie ersetzen fest verdrahtete Relaissteuerungen durch frei programmierbare Software. PLCs verarbeiten digitale und analoge Signale mit hoher Zuverl&auml;ssigkeit unter rauen Umgebungsbedingungen. In Membranfiltrationsanlagen bilden PLCs das zentrale Automatisierungselement f&uuml;r pr&auml;zise Prozessf&uuml;hrung, Sicherheitsfunktionen und Integration [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"menu_order":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-7075","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Programmable Logic Controllers (PLC) - MEMBRAFLOW Anlagenbau f\u00fcr keramische Nanofiltration<\/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:\/\/membraflow.eu\/en\/lexicon\/programmable-logic-controllers-plc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Programmable Logic Controllers (PLC) - MEMBRAFLOW Anlagenbau f\u00fcr keramische Nanofiltration\" \/>\n<meta property=\"og:description\" content=\"Kurzdefinition Programmable Logic Controllers (PLC), im Deutschen als Speicherprogrammierbare Steuerungen (SPS) bezeichnet, sind robuste Industriecomputer zur Echtzeit-Steuerung und -Regelung automatisierter Prozesse. 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