{"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\/fi_fi\/support\/ta-actuator\/actuator-immunity-4-20ma-vs-2-10v","title":{"rendered":"Suuri kilpailu anti-h\u00e4iri\u00f6it\u00e4 suorituskyky s\u00e4hk\u00f6iset toimilaitteet (4-20mA VS 2-10V)"},"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>Soveltaminen anti-h\u00e4iri\u00f6it\u00e4 s\u00e4hk\u00f6iset toimilaitteet, anti-h\u00e4iri\u00f6it\u00e4 suorituskyky\u00e4 k\u00e4ytt\u00e4m\u00e4ll\u00e4 4-20mA analoginen signaali on paljon parempi kuin k\u00e4ytt\u00e4m\u00e4ll\u00e4 2-10V analoginen signaali. Miksi?<\/p><ul><li><a href=\"#2-10v\"><span style=\"text-decoration: underline;\">2-10V signaalin analysointi<\/span><\/a><\/li><li><a href=\"#ff\"><span style=\"text-decoration: underline;\">4-20mA signaalin analysointi<\/span><\/a><\/li><li><span style=\"text-decoration: underline;\">johtop\u00e4\u00e4t\u00f6s<\/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\">2-10V signaalin analysointi<\/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>Kuten kuvassa yll\u00e4\uff1a<\/p><ol><li>Kun k\u00e4yt\u00e4mme 2-10V, koska korkea input vastus moduuli (R=34K), tulosignaali nykyinen on hyvin pieni (0.059 mA-0.29 mA). T\u00e4m\u00e4n seurauksena signaali-kohina-suhde t\u00e4ll\u00e4 tiell\u00e4 on hyvin alhainen, mik\u00e4 tarkoittaa, ett\u00e4 johtuminen ja s\u00e4teily, anti-h\u00e4iri\u00f6it\u00e4 suorituskyky on huono. Toisin sanoen, n\u00e4k\u00f6kulmasta s\u00e4hk\u00f6inen suunnittelu, t\u00e4m\u00e4 on heikoimmassa asemassa.<\/li><li>2-10V signaali polku l\u00e4ht\u00f6 laite vain varmistaa oikeellisuuden l\u00e4ht\u00f6 j\u00e4nnite (Vo) ohjaimen puolella (koska j\u00e4nnite palaute kohta on majoitusliike, l\u00e4ht\u00f6 pin). P\u00e4invastoin, sy\u00f6tt\u00f6j\u00e4nnite (Vi) toimilaitteen puolella ei voida taata olevan oikein, koska Vi=Vo+Vnoise+Vground-diff, Vnoise ja Vground-diff ovat eritt\u00e4in alttiita h\u00e4iri\u00f6ille ja tuottaa ohimenevi\u00e4 muutoksia, joita ei voida v\u00e4ltt\u00e4\u00e4.<\/li><li>Pituus, sis\u00e4inen vastus ja suojaus toimenpiteet 2-10V signaali kaapeli vaikuttaa merkitt\u00e4v\u00e4sti anti-h\u00e4iri\u00f6it\u00e4 suorituskyky\u00e4 2-10V signaali. Mit\u00e4 pidempi kaapeli, sit\u00e4 suurempi sis\u00e4inen vastus kaapelin ja huonompi suojaus toimenpiteet, huonompi anti-h\u00e4iri\u00f6it\u00e4 suorituskyky\u00e4 2-10V signaali. Siksi, 2-10V k\u00e4ytet\u00e4\u00e4n yleisesti eritt\u00e4in lyhyen kantaman viestint\u00e4\u00e4.<\/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\">4-20mA signaalin analysointi<\/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>Verrattuna 2-10V, 4-20mA ratkaisee kaksi kuolemaan johtanutta heikkoudet 2-10V signaali. Kuten kuvassa yll\u00e4\uff1a<\/p><ol><li>Kun k\u00e4yt\u00e4mme 4-20mA, alhaisen input vastus moduuli (R=120 ohmia), tulosignaali nykyinen on suhteellisen suuri (4mA-20mA). T\u00e4m\u00e4n seurauksena signaali-kohina-suhde t\u00e4ll\u00e4 tiell\u00e4 on hyvin korkea, mik\u00e4 tarkoittaa, ett\u00e4 johtuminen ja s\u00e4teily, anti-h\u00e4iri\u00f6it\u00e4 suorituskyky on parempi. Siksi, se on vaikeaa, 4-20mA signaalia linja on h\u00e4iriintynyt suuri suhde.<\/li><li>\u00a0Signaali polku 4-20mA l\u00e4ht\u00f6 laite oikeellisuuden varmistamiseksi koko tuotanto silmukan nykyinen, mukaan lukien nykyinen tuotos puolella ja nykyinen panos toimilaite. Koska palaute n\u00e4ytteenotto kohde l\u00e4ht\u00f6 piiri on nykyinen ulostulo 4-20 ma silmukka, nykyinen on t\u00e4ysin vastaava koko signaali silmukka. Siksi nykyinen n\u00e4ytteet toimilaite terminaali on nykyinen output control terminal. Jopa l\u00e4sn\u00e4ollessa h\u00e4iri\u00f6it\u00e4 ja ep\u00e4johdonmukainen maanpinnan tasolla, 4-20mA ulostulo piiri voidaan s\u00e4\u00e4t\u00e4\u00e4 aktiivinen negatiivista palautetta oikeellisuuden varmistamiseksi signaalin nykyinen.<\/li><li>Pituus ja sis\u00e4inen vastus 4-20mA-signaali kaapeli on vain v\u00e4h\u00e4n vaikutusta anti-h\u00e4iri\u00f6it\u00e4 suorituskyky 4-20mA. N\u00e4in ollen 4-20mA k\u00e4ytet\u00e4\u00e4n yleisesti pitk\u00e4n matkan viestint\u00e4.<\/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\">johtop\u00e4\u00e4t\u00f6s<\/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>Yhteenvetona, anti-h\u00e4iri\u00f6it\u00e4 suorituskyky 4-20mA-signaali teollisuuden alalla on merkitt\u00e4v\u00e4sti parempi kuin 2-10V signaali. T\u00e4m\u00e4 on my\u00f6s totta, sovellus skenaarioita s\u00e4hk\u00f6iset toimilaitteet.<\/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=\"\/fi_fi\/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\">Tekninen neuvonta<\/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=\"\/fi_fi\/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\">Jotta tuote<\/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>\u76f8\u5173\u6280\u672f\u6587\u7ae0\uff1a<\/p><ul><li><a href=\"\/fi_fi\/tech\/why-voltage-signal-oscillate\/\">Miksi j\u00e4nnite-tyyppi l\u00e4ht\u00f6signaali v\u00e4r\u00e4htelev\u00e4t tietyiss\u00e4 k\u00e4ytt\u00f6olosuhteissa?<\/a><\/li><\/ul><p>Liittyv\u00e4t tekniset standardit<\/p><ul><li><a href=\"\/fi_fi\/tech\/gb-t-3369-1-2008-iec-60381-1-1982\/\">GB\/T 3369.1\u20142008\/IEC 60381-1:1982 Analogiset signaalit process control systems-Part 1: DC nykyinen signaaleja<\/a><\/li><li><a href=\"\/fi_fi\/tech\/gb-t-3369-2-2008-iec-60381-2-1978\/\">GB\/T 3369.2\u20142008\/IEC 60381-2:1978 Analogiset signaalit process control systems-Part 2: DC j\u00e4nnite signaaleja<\/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\">Takaisin alkuun<\/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\/fi_fi\/wp-json\/wp\/v2\/posts\/6528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/comments?post=6528"}],"version-history":[{"count":0,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/posts\/6528\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/media\/6529"}],"wp:attachment":[{"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/media?parent=6528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/categories?post=6528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/fi_fi\/wp-json\/wp\/v2\/tags?post=6528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}