{"id":6528,"date":"2023-09-18T17:40:36","date_gmt":"2023-09-18T09:40:36","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6528"},"modified":"2025-04-18T14:33:56","modified_gmt":"2025-04-18T06:33:56","slug":"actuator-immunity-4-20ma-vs-2-10v","status":"publish","type":"post","link":"https:\/\/www.dcl-controls.com\/pl_pl\/support\/ta-actuator\/actuator-immunity-4-20ma-vs-2-10v","title":{"rendered":"Du\u017ca konkurencja na odporno\u015b\u0107 na zak\u0142\u00f3cenia uk\u0142ad\u00f3w nap\u0119dowych (4-20 ma PRZECIWKO 2-10)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6528\" class=\"elementor elementor-6528\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4425ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4425ee\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-592bf2f\" data-id=\"592bf2f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d2988c elementor-widget elementor-widget-text-editor\" data-id=\"2d2988c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Przy stosowaniu systemu ochrony od zak\u0142\u00f3ce\u0144 elektrycznych nap\u0119d\u00f3w skuteczno\u015b\u0107 ochrony przed szkodliwymi zak\u0142\u00f3ceniami sygna\u0142u analogowego 4-20 ma o wiele wy\u017csza, ni\u017c w przypadku sygna\u0142u analogowego 2-10 P: Dlaczego?<\/p><ul><li><a href=\"#2-10v\"><span style=\"text-decoration: underline;\">Analiza sygna\u0142u 2-10V<\/span><\/a><\/li><li><a href=\"#ff\"><span style=\"text-decoration: underline;\">Analiza sygna\u0142u 4-20ma<\/span><\/a><\/li><li><span style=\"text-decoration: underline;\">wnioski<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbd312d elementor-widget elementor-widget-heading\" data-id=\"dbd312d\" data-element_type=\"widget\" id=\"2-10v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analiza sygna\u0142u 2-10V<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6737d1 elementor-widget elementor-widget-image\" data-id=\"a6737d1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"1027\" src=\"https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-2-10v-cn.webp\" class=\"attachment-full size-full wp-image-6532\" alt=\"2-10V\u6297\u5e72\u6270\u793a\u610f\u56fe\uff08DCL \u534e\u6613\u667a\u63a7\uff09\" srcset=\"https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-2-10v-cn.webp 1920w, https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-2-10v-cn-1536x822.webp 1536w, https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-2-10v-cn-18x10.webp 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0362964 elementor-widget elementor-widget-text-editor\" data-id=\"0362964\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jak pokazano na rysunku powy\u017cej\uff1a<\/p><ol><li>Kiedy u\u017cywamy 2-10, z powodu wysokiego oporu wej\u015bciowego modu\u0142u (R = 34K) pr\u0105d wej\u015bcia jest bardzo niski (0,059 ma-0,29 ma). W rezultacie stosunek sygna\u0142\/ szum na tym obszarze jest bardzo niska, co oznacza nisk\u0105 przewodno\u015b\u0107 i odporno\u015b\u0107 na zak\u0142\u00f3cenia od promieniowania. Innymi s\u0142owy, z punktu widzenia elektronicznego projektu, to jest najbardziej podatna cz\u0119\u015b\u0107.<\/li><li>Na sygnale pokarmowym 2-10 urz\u0105dzenie wyj\u015bciowe mo\u017ce zagwarantowa\u0107 poprawno\u015b\u0107 napi\u0119cia wyj\u015bciowego (Vo) tylko na stronie kontrolera (poniewa\u017c punkt zwrotnego jest blisko do zacisku wyj\u015bciowego). Wr\u0119cz przeciwnie, nie mo\u017cna zagwarantowa\u0107 prawid\u0142owego napi\u0119cia wej\u015bciowego (Vi) po stronie nap\u0119du, poniewa\u017c Vi= Vo + Vnoise + Vground-diff, Vnoise i Vground-diff bardzo wra\u017cliwe na zak\u0142\u00f3cenia i powoduj\u0105 przej\u015bciowe zmiany, kt\u00f3rych nie mo\u017cna unikn\u0105\u0107.<\/li><li>D\u0142ugo\u015b\u0107, op\u00f3r wewn\u0119trzny i \u015brodki ekranowania kabla sygna\u0142owego napi\u0119cia 2-10 W znacznym stopniu wp\u0142ywaj\u0105 na odporno\u015b\u0107 na zak\u0142\u00f3cenia sygna\u0142u napi\u0119cia 2-10 W. Im d\u0142u\u017cszy przew\u00f3d, tym wi\u0119kszy op\u00f3r wewn\u0119trzny kabla i gorzej ni\u017c \u015brodki ekranowania, tym gorzej odporno\u015b\u0107 na zak\u0142\u00f3cenia sygna\u0142 2-10 W. Wi\u0119c napi\u0119cie 2-10 zwykle s\u0142u\u017cy do komunikacji na bardzo ma\u0142ych odleg\u0142o\u015bciach.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3d927a elementor-widget elementor-widget-heading\" data-id=\"b3d927a\" data-element_type=\"widget\" id=\"4-20ma\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analiza sygna\u0142u 4-20ma<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52bf554 elementor-widget elementor-widget-image\" data-id=\"52bf554\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1920\" height=\"1026\" src=\"https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-4-20ma-cn.webp\" class=\"attachment-full size-full wp-image-6530\" alt=\"4-20mA\u6297\u5e72\u6270\u793a\u610f\u56fe\uff08DCL \u534e\u6613\u667a\u63a7\uff09\" srcset=\"https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-4-20ma-cn.webp 1920w, https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-4-20ma-cn-1536x821.webp 1536w, https:\/\/www.dcl-controls.com\/content\/dam\/tech\/images\/dcl-4-20ma-cn-18x10.webp 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffdf34a elementor-widget elementor-widget-text-editor\" data-id=\"ffdf34a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>W por\u00f3wnaniu z napi\u0119ciem 2-10 v, 4-20 ma wyeliminowa\u0107 dwa \u015bmiertelne braku sygna\u0142u 2-10 W. Jak pokazano na rysunku powy\u017cej.\uff1a<\/p><ol><li>Kiedy u\u017cywamy 4-20 ma, z powodu niskiego oporu wej\u015bciowego modu\u0142u (R = 120 \u03a9) pr\u0105d wej\u015bcia jest stosunkowo du\u017cy (4-20ma). W rezultacie stosunek sygna\u0142\/ szum na tym obszarze jest bardzo wysoka, co oznacza lepsz\u0105 przewodno\u015b\u0107 i odporno\u015b\u0107 na zak\u0142\u00f3cenia od promieniowania. Dlatego trudno jest zapewni\u0107 znaczne zaburzenia pracy linii sygna\u0142owej 4-20 ma.<\/li><li>\u00a0Na sygnale pokarmowym 4-20 ma wyj\u015bcia mo\u017ce zapewni\u0107 poprawno\u015b\u0107 ca\u0142ego pr\u0105du wyj\u015bciowego obwodu, w tym pr\u0105d po stronie wyj\u015bcia i pr\u0105d na wej\u015bciu si\u0142ownika. Poniewa\u017c celem pr\u00f3bki sprz\u0119\u017cenia zwrotnego w obwodzie wyj\u015bciowym jest pr\u0105d na wyj\u015bciu p\u0119tli 4-20 ma, pr\u0105d w pe\u0142ni odpowiada na ca\u0142ym obwodzie alarmowym. Dlatego, pr\u0105d zmierzony na zacisku nap\u0119du, musi by\u0107 na zacisku wyj\u015bciowym pr\u0105dem sterowania. Nawet w obecno\u015bci zak\u0142\u00f3ce\u0144 i nier\u00f3wnego poziomu uziemienia obw\u00f3d wyj\u015bciowy 4-20 ma mo\u017cna regulowa\u0107 za pomoc\u0105 aktywnej ujemnego sprz\u0119\u017cenia zwrotnego w celu zapewnienia poprawno\u015bci pr\u0105du sygna\u0142u.<\/li><li>D\u0142ugo\u015b\u0107 i op\u00f3r wewn\u0119trzny kabla sygna\u0142owego 4-20 ma niewielki wp\u0142yw na odporno\u015b\u0107 na zak\u0142\u00f3cenia 4-20 ma. Dlatego 4-20 ma jest zazwyczaj u\u017cywany do komunikacji na du\u017ce odleg\u0142o\u015bci.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cfccba elementor-widget elementor-widget-heading\" data-id=\"1cfccba\" data-element_type=\"widget\" id=\"conclusion\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">wnioski<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e38325 elementor-widget elementor-widget-text-editor\" data-id=\"9e38325\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>W ten spos\u00f3b, cechy odporno\u015bci na zak\u0142\u00f3cenia sygna\u0142u 4-20 ma w warunkach przemys\u0142owych znacznie lepiej, ni\u017c na sygna\u0142 2-10 W. odnosi si\u0119 To r\u00f3wnie\u017c w scenariuszach zastosowa\u0144 nap\u0119d\u00f3w.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-affdae5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"affdae5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-2f8ba00\" data-id=\"2f8ba00\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3093316 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"3093316\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/pl_pl\/tech-enquiry\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Doradztwo techniczne<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-02c6b03\" data-id=\"02c6b03\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e0a3c3a elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"e0a3c3a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/pl_pl\/where-to-buy\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Zam\u00f3wienie produktu<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-885dead\" data-id=\"885dead\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-09dd98c\" data-id=\"09dd98c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-2faeafb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2faeafb\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-192baa1 elementor-widget elementor-widget-text-editor\" data-id=\"192baa1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Powi\u0105zane artyku\u0142y techniczne\uff1a<\/p><ul><li><a href=\"\/pl_pl\/tech\/why-voltage-signal-oscillate\/\">Dlaczego sygna\u0142 wyj\u015bciowy typu napi\u0119cia waha si\u0119 w pewnych warunkach?<\/a><\/li><\/ul><p>Odpowiednie normy techniczne<\/p><ul><li><a href=\"\/pl_pl\/tech\/gb-t-3369-1-2008-iec-60381-1-1982\/\">GB\/T 3369.1\u20142008\/IEC 60381-1: 1982 sygna\u0142y Analogowe dla system\u00f3w sterowania procesami technologicznymi -Cz\u0119\u015b\u0107 1: Sygna\u0142y pr\u0105du sta\u0142ego<\/a><\/li><li><a href=\"\/pl_pl\/tech\/gb-t-3369-2-2008-iec-60381-2-1978\/\">GB\/T 3369.2\u20142008\/IEC 60381-2: 1978 sygna\u0142y Analogowe dla system\u00f3w sterowania procesami technologicznymi,- Cz\u0119\u015b\u0107 2: Sygna\u0142y napi\u0119cia sta\u0142ego<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aea6233 elementor-widget elementor-widget-text-editor\" data-id=\"aea6233\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\"><a href=\"#top\">Wr\u00f3\u0107my do pocz\u0105tku<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u5728\u7535\u52a8\u6267\u884c\u5668\u6297\u5e72\u6270\u7684\u5e94\u7528\u4e2d\uff0c\u4f7f\u75284-20mA\u6a21\u62df\u4fe1\u53f7\u6bd4\u4f7f\u75282-10V\u6a21\u62df\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u6027\u80fd\u597d\u975e\u5e38\u591a\uff0c\u4e3a\u4ec0\u4e48\uff1f 2 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":6529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[334],"tags":[44,34,390,42,373,41],"class_list":["post-6528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ta-actuator","tag-fast-move-actuator","tag-actuator","tag-tech-ref","tag-general-actuator","tag-very-small-actuator-tag","tag-explosion-proof-actuator"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/posts\/6528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/comments?post=6528"}],"version-history":[{"count":0,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/posts\/6528\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/media\/6529"}],"wp:attachment":[{"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/media?parent=6528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/categories?post=6528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/pl_pl\/wp-json\/wp\/v2\/tags?post=6528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}