{"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\/ro_ro\/support\/ta-actuator\/actuator-immunity-4-20ma-vs-2-10v","title":{"rendered":"Concuren\u021ba mare pentru performan\u021b\u0103 anti-interferen\u021be de ac\u021bion\u0103ri electrice (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>\u00cen cererea de anti-interferen\u021be de ac\u021bion\u0103ri electrice, anti-interferen\u021be de performan\u021b\u0103 de a folosi un 4-20mA semnal analog este mult mai bun\u0103 dec\u00e2t folosind un 2-10V semnal analogic. De ce?<\/p><ul><li><a href=\"#2-10v\"><span style=\"text-decoration: underline;\">2-10V semnal de analiz\u0103<\/span><\/a><\/li><li><a href=\"#ff\"><span style=\"text-decoration: underline;\">4-20mA semnal de analiz\u0103<\/span><\/a><\/li><li><span style=\"text-decoration: underline;\">concluzie<\/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 semnal de analiz\u0103<\/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>A\u0219a cum se arat\u0103 \u00een imaginea de mai sus\uff1a<\/p><ol><li>C\u00e2nd ne-am folosi de 2-10V, din cauza de \u00eenalt\u0103 rezisten\u021b\u0103 de intrare pe modul (R=34K), semnalul de intrare curent este foarte redus (0.059 mA-0.29 mA). Ca urmare, semnal-zgomot pe aceast\u0103 cale este foarte sc\u0103zut\u0103, ceea ce \u00eenseamn\u0103 c\u0103 conduc\u021bie \u0219i radia\u021bie anti-interferen\u021be de performan\u021b\u0103 este slab\u0103. Cu alte cuvinte, din perspectiva electronic design, aceasta este partea cea mai vulnerabil\u0103.<\/li><li>Pe 2-10V semnal de cale, dispozitivul de ie\u0219ire pot asigura de corectitudinea tensiunea de iesire (Vo) de pe controller parte (deoarece tensiunea de feedback punct este aproape de pin de ie\u0219ire). Dimpotriv\u0103, tensiunea de intrare (Vi) pe partea de ac\u021bionare nu poate fi garantat\u0103 pentru a fi corect, pentru c\u0103 Vi=Vo+Vnoise+Vground-diff, Vnoise \u0219i Vground-diff sunt foarte sensibile la interferen\u021be \u0219i produce modific\u0103ri pasagere, care nu pot fi evitate.<\/li><li>Lungimea, rezisten\u021ba intern\u0103 \u0219i m\u0103suri de ecranare a 2-10V semnal de cablu va afecta \u00een mod semnificativ anti-interferen\u021be de performan\u021b\u0103 a 2-10V semnal. Mai mult cablu, cu at\u00e2t mai mare rezisten\u021ba intern\u0103 a cablului, \u0219i mai r\u0103u m\u0103suri de ecranare, cu at\u00e2t mai r\u0103u anti-interferen\u021be de performan\u021b\u0103 a 2-10V semnal. Prin urmare, 2-10V este frecvent utilizat pentru comunica\u021bie de raz\u0103 scurt\u0103.<\/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 semnal de analiz\u0103<\/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>Comparativ cu 2-10V, 4-20mA rezolv\u0103 dou\u0103 sl\u0103biciuni a 2-10V semnal. A\u0219a cum se arat\u0103 \u00een imaginea de mai sus\uff1a<\/p><ol><li>Atunci c\u00e2nd vom folosi 4-20mA, ca urmare a sc\u0103zut de rezisten\u021b\u0103 de intrare pe modul (R=120 ohmi), semnalul de intrare curent este relativ mare (4mA-20mA). Ca urmare, semnal-zgomot pe aceast\u0103 cale este foarte mare, ceea ce \u00eenseamn\u0103 c\u0103 conduc\u021bie \u0219i radia\u021bie anti-interferen\u021be de performan\u021b\u0103 este mai bun\u0103. Prin urmare, este dificil pentru un 4-20mA semnal de linie s\u0103 fie deranjat \u00eentr-o mare propor\u021bie.<\/li><li>\u00a0Pe calea de semnal 4-20mA, dispozitivul de ie\u0219ire pot asigura corectitudinea \u00eentregii ie\u0219ire bucla de curent, inclusiv curent de pe partea de ie\u0219ire \u0219i curentul de intrare ale dispozitivului de ac\u021bionare. Pentru c\u0103 feedback-ul de e\u0219antionare \u021bint\u0103 de circuitul de ie\u0219ire este curentul de la ie\u0219ire 4-20mA bucla, curentul este complet echivalent\u0103 \u00een \u00eentregul semnal de curent. Prin urmare, actuala inclu\u0219i \u00een e\u0219antion la ac\u021bionare terminal trebuie s\u0103 fie un curent de ie\u0219ire de la borna de comand\u0103. Chiar \u0219i \u00een prezen\u021ba de interferen\u021b\u0103 \u0219i inconsistente nivelul solului, 4-20mA circuit poate fi ajustat\u0103 prin activ feedback negativ pentru a se asigura corectitudinea semnalului curent.<\/li><li>Lungimea \u0219i rezisten\u021ba intern\u0103 a 4-20mA semnal de cablu au un efect redus asupra anti-interferen\u021be de performan\u021b\u0103 de 4-20mA. Prin urmare, 4-20mA este frecvent utilizat pentru comunicare la distan\u021b\u0103.<\/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\">concluzie<\/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>\u00cen rezumat, anti-interferen\u021be de performan\u021b\u0103 a 4-20mA semnal \u00een domeniul industrial este semnificativ mai bun\u0103 dec\u00e2t cea de 2-10V semnal. Acest lucru este valabil \u0219i \u00een scenariile de aplicare a ac\u021bion\u0103rilor electrice.<\/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=\"\/ro_ro\/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\">Consultan\u021b\u0103 tehnic\u0103<\/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=\"\/ro_ro\/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\">Comanda produs<\/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>Articole tehnice\uff1a<\/p><ul><li><a href=\"\/ro_ro\/tech\/why-voltage-signal-oscillate\/\">De ce tensiune-tip de semnal de ie\u0219ire oscila \u00een anumite condi\u021bii de func\u021bionare?<\/a><\/li><\/ul><p>Legate de standarde tehnice de<\/p><ul><li><a href=\"\/ro_ro\/tech\/gb-t-3369-1-2008-iec-60381-1-1982\/\">GB\/T 3369.1\u20142008\/IEC 60381-1:1982 semnale Analogice pentru sisteme de control al procesului-Partea 1: DC curent de semnale<\/a><\/li><li><a href=\"\/ro_ro\/tech\/gb-t-3369-2-2008-iec-60381-2-1978\/\">GB\/T 3369.2\u20142008\/IEC 60381-2:1978 semnale Analogice pentru sisteme de control al procesului-Partea 2: DC semnale de tensiune<\/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\">\u00cenapoi la partea de sus<\/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>\u00cen cererea de anti-interferen\u021be de ac\u021bion\u0103ri electrice, anti-interferen\u021be de performan\u021b\u0103 de a folosi un 4-20mA semnal analog este mult mai bun\u0103 dec\u00e2t folosind un 2-10V semnal analogic. De ce?<\/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\/ro_ro\/wp-json\/wp\/v2\/posts\/6528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/comments?post=6528"}],"version-history":[{"count":0,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/posts\/6528\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/media\/6529"}],"wp:attachment":[{"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/media?parent=6528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/categories?post=6528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dcl-controls.com\/ro_ro\/wp-json\/wp\/v2\/tags?post=6528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}