{"id":36436,"date":"2026-05-21T10:41:01","date_gmt":"2026-05-21T10:41:01","guid":{"rendered":"https:\/\/instrava.com\/?post_type=technology&p=36436"},"modified":"2026-05-22T08:19:54","modified_gmt":"2026-05-22T08:19:54","slug":"4-20-ma-technology-in-industrial-automation","status":"publish","type":"technology","link":"https:\/\/instrava.com\/ru\/technology\/4-20-ma-technology-in-industrial-automation\/","title":{"rendered":"\u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f 4-20 \u043c\u0410 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":36435,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"technology_category":[2335],"technology_tag":[],"class_list":["post-36436","technology","type-technology","status-publish","has-post-thumbnail","hentry","technology_category-industrial-4-0-connectivity"],"acf":[],"yoast_head":"\n4-20 mA Technology in Industrial Automation - Instrava<\/title>\n<meta name=\"description\" content=\"Explore 4-20 mA technology in industrial automation, including current loop principles, noise immunity, PLC integration, fieldbus evolution, Industry 4.0 upgrades, and why 4-20 mA remains essential in modern instrumentation systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/instrava.com\/ru\/technology\/4-20-ma-technology-in-industrial-automation\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4-20 mA Technology in Industrial Automation - Instrava\" \/>\n<meta property=\"og:description\" content=\"Explore 4-20 mA technology in industrial automation, including current loop principles, noise immunity, PLC integration, fieldbus evolution, Industry 4.0 upgrades, and why 4-20 mA remains essential in modern instrumentation systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/instrava.com\/ru\/technology\/4-20-ma-technology-in-industrial-automation\/\" \/>\n<meta property=\"og:site_name\" content=\"Instrava\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-22T08:19:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/instrava.com\/wp-content\/uploads\/2026\/05\/4-20-mA.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"650\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u043c\u0438\u043d\u0443\u0442\u0430\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/\",\"url\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/\",\"name\":\"4-20 mA Technology in Industrial Automation - Instrava\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/instrava.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/4-20-mA.webp\",\"datePublished\":\"2026-05-21T10:41:01+00:00\",\"dateModified\":\"2026-05-22T08:19:54+00:00\",\"description\":\"Explore 4-20 mA technology in industrial automation, including current loop principles, noise immunity, PLC integration, fieldbus evolution, Industry 4.0 upgrades, and why 4-20 mA remains essential in modern instrumentation systems.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/#primaryimage\",\"url\":\"https:\\\/\\\/instrava.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/4-20-mA.webp\",\"contentUrl\":\"https:\\\/\\\/instrava.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/4-20-mA.webp\",\"width\":1200,\"height\":650,\"caption\":\"Hand-drawn cartoon character wondering about the traditional 4-20mA analog current loop signal in industrial automation.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/instrava.com\\\/technology\\\/4-20-ma-technology-in-industrial-automation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/instrava.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Technology\",\"item\":\"https:\\\/\\\/instrava.com\\\/technology\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"4-20 mA Technology in Industrial Automation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/instrava.com\\\/#website\",\"url\":\"https:\\\/\\\/instrava.com\\\/\",\"name\":\"instrava.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/instrava.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/instrava.com\\\/#organization\",\"name\":\"instrava.com\",\"url\":\"https:\\\/\\\/instrava.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\\\/\\\/instrava.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/instrava.com\\\/wp-content\\\/uploads\\\/2024\\\/03\\\/in-strava-Instruments-and-meters.png\",\"contentUrl\":\"https:\\\/\\\/instrava.com\\\/wp-content\\\/uploads\\\/2024\\\/03\\\/in-strava-Instruments-and-meters.png\",\"width\":288,\"height\":59,\"caption\":\"instrava.com\"},\"image\":{\"@id\":\"https:\\\/\\\/instrava.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f 4-20 \u043c\u0410 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 - Instrava","description":"\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e 4-20 \u043c\u0410 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u0442\u043e\u043a\u043e\u0432\u043e\u0439 \u043f\u0435\u0442\u043b\u0438, \u043f\u043e\u043c\u0435\u0445\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c, \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044e \u0441 \u041f\u041b\u041a, \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043f\u043e\u043b\u0435\u0432\u044b\u0445 \u0448\u0438\u043d, \u043c\u043e\u0434\u0435\u0440\u043d\u0438\u0437\u0430\u0446\u0438\u044e Industry 4.0 \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 4-20 \u043c\u0410 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u0435\u0437\u0430\u043c\u0435\u043d\u0438\u043c\u044b\u043c \u0432 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u041a\u0418\u041f\u0438\u0410.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/instrava.com\/ru\/technology\/4-20-ma-technology-in-industrial-automation\/","og_locale":"ru_RU","og_type":"article","og_title":"4-20 mA Technology in Industrial Automation - Instrava","og_description":"Explore 4-20 mA technology in industrial automation, including current loop principles, noise immunity, PLC integration, fieldbus evolution, Industry 4.0 upgrades, and why 4-20 mA remains essential in modern instrumentation systems.","og_url":"https:\/\/instrava.com\/ru\/technology\/4-20-ma-technology-in-industrial-automation\/","og_site_name":"Instrava","article_modified_time":"2026-05-22T08:19:54+00:00","og_image":[{"width":1200,"height":650,"url":"https:\/\/instrava.com\/wp-content\/uploads\/2026\/05\/4-20-mA.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f":"1 \u043c\u0438\u043d\u0443\u0442\u0430"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/","url":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/","name":"\u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f 4-20 \u043c\u0410 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 - Instrava","isPartOf":{"@id":"https:\/\/instrava.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/#primaryimage"},"image":{"@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/#primaryimage"},"thumbnailUrl":"https:\/\/instrava.com\/wp-content\/uploads\/2026\/05\/4-20-mA.webp","datePublished":"2026-05-21T10:41:01+00:00","dateModified":"2026-05-22T08:19:54+00:00","description":"\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e 4-20 \u043c\u0410 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u0442\u043e\u043a\u043e\u0432\u043e\u0439 \u043f\u0435\u0442\u043b\u0438, \u043f\u043e\u043c\u0435\u0445\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c, \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044e \u0441 \u041f\u041b\u041a, \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043f\u043e\u043b\u0435\u0432\u044b\u0445 \u0448\u0438\u043d, \u043c\u043e\u0434\u0435\u0440\u043d\u0438\u0437\u0430\u0446\u0438\u044e Industry 4.0 \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 4-20 \u043c\u0410 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u0435\u0437\u0430\u043c\u0435\u043d\u0438\u043c\u044b\u043c \u0432 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u041a\u0418\u041f\u0438\u0410.","breadcrumb":{"@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/#breadcrumb"},"inLanguage":"ru-RU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/"]}]},{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/#primaryimage","url":"https:\/\/instrava.com\/wp-content\/uploads\/2026\/05\/4-20-mA.webp","contentUrl":"https:\/\/instrava.com\/wp-content\/uploads\/2026\/05\/4-20-mA.webp","width":1200,"height":650,"caption":"Hand-drawn cartoon character wondering about the traditional 4-20mA analog current loop signal in industrial automation."},{"@type":"BreadcrumbList","@id":"https:\/\/instrava.com\/technology\/4-20-ma-technology-in-industrial-automation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/instrava.com\/"},{"@type":"ListItem","position":2,"name":"Technology","item":"https:\/\/instrava.com\/technology\/"},{"@type":"ListItem","position":3,"name":"4-20 mA Technology in Industrial Automation"}]},{"@type":"WebSite","@id":"https:\/\/instrava.com\/#website","url":"https:\/\/instrava.com\/","name":"instrava.com","description":"","publisher":{"@id":"https:\/\/instrava.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/instrava.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ru-RU"},{"@type":"Organization","@id":"https:\/\/instrava.com\/#organization","name":"instrava.com","url":"https:\/\/instrava.com\/","logo":{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/instrava.com\/#\/schema\/logo\/image\/","url":"https:\/\/instrava.com\/wp-content\/uploads\/2024\/03\/in-strava-Instruments-and-meters.png","contentUrl":"https:\/\/instrava.com\/wp-content\/uploads\/2024\/03\/in-strava-Instruments-and-meters.png","width":288,"height":59,"caption":"instrava.com"},"image":{"@id":"https:\/\/instrava.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/technology\/36436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/technology"}],"about":[{"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/types\/technology"}],"author":[{"embeddable":true,"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/technology\/36436\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/media\/36435"}],"wp:attachment":[{"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/media?parent=36436"}],"wp:term":[{"taxonomy":"technology_category","embeddable":true,"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/technology_category?post=36436"},{"taxonomy":"technology_tag","embeddable":true,"href":"https:\/\/instrava.com\/ru\/wp-json\/wp\/v2\/technology_tag?post=36436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}