{"id":670,"date":"2026-07-09T10:30:21","date_gmt":"2026-07-09T09:30:21","guid":{"rendered":"http:\/\/192.168.1.167\/wordpress\/?p=670"},"modified":"2026-08-13T10:52:28","modified_gmt":"2026-08-13T08:52:28","slug":"what-is-a-protocol-gateway","status":"publish","type":"post","link":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/what-is-a-protocol-gateway\/","title":{"rendered":"What Is a Protocol Gateway \u2014 and When Do You Need One?"},"content":{"rendered":"<p>Real factories and machines rarely speak a single language. A drive might use EtherCAT, a sensor sub-system CANopen, and the plant controller PROFINET. A <strong>protocol gateway<\/strong> is the device that lets these worlds exchange data without redesigning any of them.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-flat ez-toc-counter ez-toc-container-direction\">\r\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\r\n<label for=\"ez-toc-cssicon-toggle-item-6ab2af0b68218\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6ab2af0b68218\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/what-is-a-protocol-gateway\/#What_a_gateway_actually_does\" >What a gateway actually does<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/what-is-a-protocol-gateway\/#When_you_need_one\" >When you need one<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/what-is-a-protocol-gateway\/#Build_vs_buy\" >Build vs. buy<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2><span class=\"ez-toc-section\" id=\"What_a_gateway_actually_does\"><\/span>What a gateway actually does<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A gateway terminates one protocol on one side and another on the other, mapping process data between them: object dictionary entries on a CANopen side, for instance, mapped to cyclic I\/O on a PROFINET side. Good gateways handle not just the data mapping but diagnostics, timing and configuration.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"When_you_need_one\"><\/span>When you need one<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Integrating legacy equipment<\/strong> into a newer control system (e.g. a PROFIBUS or DeviceNet device into an Ethernet line).<\/li>\n<li><strong>Connecting sub-systems<\/strong> from different vendors that standardised on different fieldbuses.<\/li>\n<li><strong>Bridging CAN-based machinery<\/strong> (CANopen, J1939) to an Industrial Ethernet backbone.<\/li>\n<li><strong>Adding connectivity<\/strong> \u2014 exposing field data to OPC&nbsp;UA or an IIoT layer.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Build_vs_buy\"><\/span>Build vs. buy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You can buy a fixed-function gateway, but products with specific mappings, timing or safety needs often require a configurable platform. ISIT-Neperis&rsquo;s ISI-GTW gateway platform combines proven protocol stacks on a flexible hardware base, so the same device can bridge many protocol pairs.<\/p>\n<p><em>Bridging two networks in your product? <a href=\"\/products\/protocol-gateway\/\">See the ISI-GTW gateway platform<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A protocol gateway bridges two industrial networks that cannot talk to each other directly \u2014 for example CANopen to PROFINET, or J1939 to EtherNet\/IP.<\/p>\n","protected":false},"author":1,"featured_media":970,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical"],"acf":[],"_links":{"self":[{"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/posts\/670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/comments?post=670"}],"version-history":[{"count":3,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/posts\/670\/revisions"}],"predecessor-version":[{"id":1589,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/posts\/670\/revisions\/1589"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/media\/970"}],"wp:attachment":[{"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/media?parent=670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/categories?post=670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jfp-1970.tailb9a06.ts.net\/wordpress\/wp-json\/wp\/v2\/tags?post=670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}