{"id":90,"count":49,"description":"<h3 data-section-id=\"p10gq5\" data-start=\"1809\" data-end=\"1850\">Isoladores de processo e sinal de 4-20 mA<\/h3>\r\n<p data-start=\"1852\" data-end=\"2204\">O <strong data-start=\"1856\" data-end=\"1881\">isoladores de processo<\/strong> S\u00e3o dispositivos eletr\u00f4nicos utilizados em sistemas de automa\u00e7\u00e3o industrial para fornecer <strong data-start=\"1982\" data-end=\"2032\">isolamento galv\u00e2nico entre sinais anal\u00f3gicos<\/strong>. Sua principal fun\u00e7\u00e3o \u00e9 proteger equipamentos de controle, PLCs e sistemas de aquisi\u00e7\u00e3o de dados contra interfer\u00eancias el\u00e9tricas, loops de terra e diferen\u00e7as de potencial.<\/p>\r\n<p data-start=\"2206\" data-end=\"2430\">Em aplica\u00e7\u00f5es industriais, \u00e9 comum usar <strong data-start=\"2256\" data-end=\"2296\">Isoladores de sinal 4-20 mA ou 0-10 V<\/strong>, especialmente quando os sinais dos sensores precisam ser transmitidos de forma confi\u00e1vel para sistemas de controle ou monitoramento.<\/p>\r\n<p data-start=\"2432\" data-end=\"2608\">O uso de <strong data-start=\"2442\" data-end=\"2467\">isoladores galv\u00e2nicos<\/strong> Isso permite maior estabilidade de medi\u00e7\u00e3o, redu\u00e7\u00e3o de ru\u00eddo el\u00e9trico e prote\u00e7\u00e3o do equipamento contra sobretens\u00f5es ou falhas de aterramento.<\/p>\r\n\r\n\r\n<hr data-start=\"2610\" data-end=\"2613\" \/>\r\n\r\n<h3 data-section-id=\"15514t1\" data-start=\"2615\" data-end=\"2642\">Aplica\u00e7\u00f5es comuns<\/h3>\r\n<p data-start=\"2644\" data-end=\"2715\">Isoladores de sinal s\u00e3o utilizados em diversos setores industriais:<\/p>\r\n\r\n<ul data-start=\"2717\" data-end=\"2878\">\r\n \t<li data-section-id=\"rgam4d\" data-start=\"2717\" data-end=\"2744\">\r\n<p data-start=\"2719\" data-end=\"2744\">automa\u00e7\u00e3o industrial<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"187wt5p\" data-start=\"2745\" data-end=\"2773\">\r\n<p data-start=\"2747\" data-end=\"2773\">instrumenta\u00e7\u00e3o de processo<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"12pg6my\" data-start=\"2774\" data-end=\"2797\">\r\n<p data-start=\"2776\" data-end=\"2797\">controle de m\u00e1quinas<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1vdfun5\" data-start=\"2798\" data-end=\"2816\">\r\n<p data-start=\"2800\" data-end=\"2816\">f\u00e1bricas qu\u00edmicas<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"jtj4vx\" data-start=\"2817\" data-end=\"2838\">\r\n<p data-start=\"2819\" data-end=\"2838\">tratamento de \u00e1gua<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"9n8aa6\" data-start=\"2839\" data-end=\"2861\">\r\n<p data-start=\"2841\" data-end=\"2861\">ind\u00fastria de energia<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"l82bp7\" data-start=\"2862\" data-end=\"2878\">\r\n<p data-start=\"2864\" data-end=\"2878\">sistemas SCADA<\/p>\r\n<\/li>\r\n<\/ul>\r\n\r\n<hr data-start=\"2880\" data-end=\"2883\" \/>\r\n\r\n<h3 data-section-id=\"1y7gj0k\" data-start=\"2885\" data-end=\"2917\">Tipos de isoladores de sinal<\/h3>\r\n<p data-start=\"2919\" data-end=\"2994\">Nesta categoria voc\u00ea encontrar\u00e1 diferentes tipos de <strong data-start=\"2968\" data-end=\"2993\">isoladores de processo<\/strong>:<\/p>\r\n\r\n<ul data-start=\"2996\" data-end=\"3163\">\r\n \t<li data-section-id=\"1n62skt\" data-start=\"2996\" data-end=\"3029\">\r\n<p data-start=\"2998\" data-end=\"3029\"><strong data-start=\"2998\" data-end=\"3029\">Isoladores de sinal de 4-20 mA<\/strong><\/p>\r\n<\/li>\r\n \t<li data-section-id=\"12c6x3v\" data-start=\"3030\" data-end=\"3053\">\r\n<p data-start=\"3032\" data-end=\"3053\"><strong data-start=\"3032\" data-end=\"3053\">Isoladores de 0-10 V<\/strong><\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1m05q3u\" data-start=\"3054\" data-end=\"3081\">\r\n<p data-start=\"3056\" data-end=\"3081\"><strong data-start=\"3056\" data-end=\"3081\">duplicadores de sinal<\/strong><\/p>\r\n<\/li>\r\n \t<li data-section-id=\"h7uifj\" data-start=\"3082\" data-end=\"3113\">\r\n<p data-start=\"3084\" data-end=\"3113\"><strong data-start=\"3084\" data-end=\"3113\">quadruplicadores de sinal<\/strong><\/p>\r\n<\/li>\r\n \t<li data-section-id=\"ix767f\" data-start=\"3114\" data-end=\"3163\">\r\n<p data-start=\"3116\" data-end=\"3163\"><strong data-start=\"3116\" data-end=\"3163\">isoladores universais para instrumenta\u00e7\u00e3o<\/strong><\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"3165\" data-end=\"3264\">Esses dispositivos permitem dividir, converter ou isolar sinais anal\u00f3gicos de sensores como:<\/p>\r\n\r\n<ul data-start=\"3266\" data-end=\"3370\">\r\n \t<li data-section-id=\"14mq78p\" data-start=\"3266\" data-end=\"3287\">\r\n<p data-start=\"3268\" data-end=\"3287\">sensores de press\u00e3o<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1v0jdq9\" data-start=\"3288\" data-end=\"3313\">\r\n<p data-start=\"3290\" data-end=\"3313\">sensores de temperatura<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"rubwha\" data-start=\"3314\" data-end=\"3342\">\r\n<p data-start=\"3316\" data-end=\"3342\">transdutores industriais<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"dt3f4s\" data-start=\"3343\" data-end=\"3370\">\r\n<p data-start=\"3345\" data-end=\"3370\">sinais de processo PLC<\/p>\r\n<\/li>\r\n<\/ul>\r\n\r\n<hr data-start=\"3372\" data-end=\"3375\" \/>\r\n\r\n<h3 data-section-id=\"30tzzj\" data-start=\"3377\" data-end=\"3415\">Vantagens do isolamento galv\u00e2nico<\/h3>\r\n<p data-start=\"3417\" data-end=\"3479\">A utiliza\u00e7\u00e3o de isoladores de sinal oferece diversas vantagens t\u00e9cnicas:<\/p>\r\n\r\n<ul data-start=\"3481\" data-end=\"3665\">\r\n \t<li data-section-id=\"h6n1g\" data-start=\"3481\" data-end=\"3512\">\r\n<p data-start=\"3483\" data-end=\"3512\">elimina\u00e7\u00e3o de la\u00e7os de massa<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"zdqok2\" data-start=\"3513\" data-end=\"3544\">\r\n<p data-start=\"3515\" data-end=\"3544\">redu\u00e7\u00e3o do ru\u00eddo el\u00e9trico<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"tkybmr\" data-start=\"3545\" data-end=\"3579\">\r\n<p data-start=\"3547\" data-end=\"3579\">prote\u00e7\u00e3o de equipamentos de controle<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"la8ak5\" data-start=\"3580\" data-end=\"3621\">\r\n<p data-start=\"3582\" data-end=\"3621\">estabilidade de sinal aprimorada<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1pwz0cc\" data-start=\"3622\" data-end=\"3665\">\r\n<p data-start=\"3624\" data-end=\"3665\">maior confiabilidade em sistemas industriais<\/p>\r\n<\/li>\r\n<\/ul>\r\n\r\n<hr data-start=\"3667\" data-end=\"3670\" \/>\r\n\r\n<h1 data-section-id=\"1sv4wck\" data-start=\"3672\" data-end=\"3710\">7\ufe0f\u20e3 Adicione perguntas frequentes (isso melhora MUITO o ranking)<\/h1>\r\n<p data-start=\"3711\" data-end=\"3747\">Adicione isso ao final da categoria.<\/p>\r\n\r\n<h3 data-section-id=\"aqfdat\" data-start=\"3749\" data-end=\"3790\">O que \u00e9 um isolador de sinal de 4-20 mA?<\/h3>\r\n<p data-start=\"3792\" data-end=\"3989\">Um isolador de sinal de 4-20 mA \u00e9 um dispositivo eletr\u00f4nico que permite a transmiss\u00e3o de um sinal anal\u00f3gico, mantendo o isolamento galv\u00e2nico entre a entrada e a sa\u00edda para evitar interfer\u00eancias el\u00e9tricas.<\/p>\r\n\r\n\r\n<hr data-start=\"3991\" data-end=\"3994\" \/>\r\n\r\n<h3 data-section-id=\"1dhsxw0\" data-start=\"3996\" data-end=\"4038\">Para que serve um isolador galv\u00e2nico?<\/h3>\r\n<p data-start=\"4040\" data-end=\"4222\">Isoladores galv\u00e2nicos s\u00e3o usados para proteger equipamentos eletr\u00f4nicos contra diferen\u00e7as de potencial, loops de terra e ru\u00eddo el\u00e9trico em sistemas de automa\u00e7\u00e3o industrial.<\/p>\r\n\r\n\r\n<hr data-start=\"4224\" data-end=\"4227\" \/>\r\n\r\n<h3 data-section-id=\"1s1sfq7\" data-start=\"4229\" data-end=\"4274\">Quando \u00e9 necess\u00e1rio um isolador de sinal?<\/h3>\r\n<p data-start=\"4276\" data-end=\"4322\">Os isoladores de sinal s\u00e3o recomendados quando:<\/p>\r\n\r\n<ul data-start=\"4324\" data-end=\"4480\">\r\n \t<li data-section-id=\"9i7kht\" data-start=\"4324\" data-end=\"4348\">\r\n<p data-start=\"4326\" data-end=\"4348\">Existem la\u00e7os de massa<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"rb3f7x\" data-start=\"4349\" data-end=\"4389\">\r\n<p data-start=\"4351\" data-end=\"4389\">Os sinais percorrem longas dist\u00e2ncias.<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1nuwcjn\" data-start=\"4390\" data-end=\"4421\">\r\n<p data-start=\"4392\" data-end=\"4421\">H\u00e1 interfer\u00eancia el\u00e9trica.<\/p>\r\n<\/li>\r\n \t<li data-section-id=\"1m5lxcv\" data-start=\"4422\" data-end=\"4480\">\r\n<p data-start=\"4424\" data-end=\"4480\">Equipamentos com diferentes refer\u00eancias de aterramento est\u00e3o conectados.<\/p>\r\n<\/li>\r\n<\/ul>","link":"https:\/\/guemisa.es\/pt\/categoria\/aisladores-proceso\/","name":"Isoladores de processo","slug":"isoladores-de-processo","taxonomy":"categoria","parent":89,"meta":[],"_links":{"self":[{"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/categoria\/90","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/categoria"}],"about":[{"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/taxonomies\/categoria"}],"up":[{"embeddable":true,"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/categoria\/89"}],"wp:post_type":[{"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/productos?categoria=90"},{"href":"https:\/\/guemisa.es\/pt\/wp-json\/wp\/v2\/documentos-pdf?categoria=90"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}