{"id":27892,"date":"2025-08-12T13:24:14","date_gmt":"2025-08-12T05:24:14","guid":{"rendered":"https:\/\/cnspd.com\/?p=27892"},"modified":"2026-04-10T13:32:16","modified_gmt":"2026-04-10T05:32:16","slug":"protecting-rs232-ports-from-surge-electric-damage-in-us-industrial-networks","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/es\/proteccion-de-los-puertos-rs232-contra-las-sobretensiones-electricas-en-las-redes-industriales-de-ee-uu\/","title":{"rendered":"Protecci\u00f3n de los puertos RS232 contra los da\u00f1os causados por las sobretensiones el\u00e9ctricas en las redes industriales estadounidenses"},"content":{"rendered":"<p>En todo Estados Unidos, las sobretensiones el\u00e9ctricas siguen siendo una de las principales causas de aver\u00eda de los equipos industriales. Desde los parques e\u00f3licos de Texas hasta los sistemas de se\u00f1alizaci\u00f3n del metro de Nueva York, las l\u00edneas de comunicaci\u00f3n RS232 suelen ser los puntos d\u00e9biles ocultos de las redes de automatizaci\u00f3n. La NOAA informa de que estados como Florida, Luisiana y Misisipi registran algunas de las frecuencias de ca\u00edda de rayos m\u00e1s altas del mundo, por lo que las medidas de protecci\u00f3n no son negociables.<\/p>\n<h3 data-start=\"789\" data-end=\"843\"><strong data-start=\"793\" data-end=\"841\">Por qu\u00e9 fallan las interfaces RS232 sin protecci\u00f3n<\/strong><\/h3>\n<p data-start=\"844\" data-end=\"999\">Los puertos serie RS232 funcionan con tensiones bajas (normalmente \u00b112V), lo que los hace muy sensibles a las sobretensiones transitorias. En EE.UU., las sobretensiones pueden tener su origen en:<\/p>\n<ul data-start=\"1000\" data-end=\"1173\">\n<li data-start=\"1000\" data-end=\"1044\">\n<p data-start=\"1002\" data-end=\"1044\">Impulsos electromagn\u00e9ticos inducidos por rayos<\/p>\n<\/li>\n<li data-start=\"1045\" data-end=\"1082\">\n<p data-start=\"1047\" data-end=\"1082\">Operaciones de conmutaci\u00f3n de la red el\u00e9ctrica<\/p>\n<\/li>\n<li data-start=\"1083\" data-end=\"1132\">\n<p data-start=\"1085\" data-end=\"1132\">Toma de tierra defectuosa en instalaciones de varios edificios<\/p>\n<\/li>\n<li data-start=\"1133\" data-end=\"1173\">\n<p data-start=\"1135\" data-end=\"1173\">Retroalimentaci\u00f3n del generador tras los cortes<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1175\" data-end=\"1335\">Seg\u00fan la norma IEEE C62.41, las sobretensiones transitorias de tan s\u00f3lo 500 V pueden destruir los transceptores RS232, muy por debajo de la tensi\u00f3n producida incluso por rayos lejanos.<\/p>\n<p data-start=\"1175\" data-end=\"1335\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-26994\" src=\"https:\/\/cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"Protector contra sobretensiones RS232\" width=\"600\" height=\"408\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg 600w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<hr data-start=\"1337\" data-end=\"1340\" \/>\n<h3 data-start=\"1342\" data-end=\"1400\"><strong data-start=\"1346\" data-end=\"1398\">LEEYEE RS232 Protector contra sobretensiones para aplicaciones en EE.UU.<\/strong><\/h3>\n<p data-start=\"1401\" data-end=\"1471\">Para los sistemas con sede en EE.UU., el <strong data-start=\"1427\" data-end=\"1459\">Protector contra sobretensiones LEEYEE RS232<\/strong> proporciona:<\/p>\n<ul data-start=\"1472\" data-end=\"1719\">\n<li data-start=\"1472\" data-end=\"1525\">\n<p data-start=\"1474\" data-end=\"1525\"><strong data-start=\"1474\" data-end=\"1487\">Imax 20kA<\/strong> capacidad para tormentas extremas del Medio Oeste<\/p>\n<\/li>\n<li data-start=\"1526\" data-end=\"1584\">\n<p data-start=\"1528\" data-end=\"1584\"><strong data-start=\"1528\" data-end=\"1550\">Tiempo de respuesta &lt;1ns<\/strong> para la supresi\u00f3n r\u00e1pida de transitorios<\/p>\n<\/li>\n<li data-start=\"1585\" data-end=\"1638\">\n<p data-start=\"1587\" data-end=\"1638\"><strong data-start=\"1587\" data-end=\"1612\">Tensi\u00f3n de sujeci\u00f3n &lt;15 V<\/strong> para proteger las se\u00f1ales de \u00b112V<\/p>\n<\/li>\n<li data-start=\"1639\" data-end=\"1719\">\n<p data-start=\"1641\" data-end=\"1719\"><strong data-start=\"1641\" data-end=\"1680\">UL 497A, IEC 61643, ITU-T K.20\/K.21<\/strong> conformidad para la aceptaci\u00f3n industrial<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1721\" data-end=\"1724\" \/>\n<h3 data-start=\"1726\" data-end=\"1767\"><strong data-start=\"1730\" data-end=\"1765\">Aplicaciones industriales en EE.UU.<\/strong><\/h3>\n<ol data-start=\"1768\" data-end=\"2062\">\n<li data-start=\"1768\" data-end=\"1827\">\n<p data-start=\"1771\" data-end=\"1827\"><strong data-start=\"1771\" data-end=\"1781\">Energ\u00eda<\/strong> - Protecci\u00f3n de enlaces SCADA en parques e\u00f3licos de Texas<\/p>\n<\/li>\n<li data-start=\"1828\" data-end=\"1906\">\n<p data-start=\"1831\" data-end=\"1906\"><strong data-start=\"1831\" data-end=\"1848\">Fabricaci\u00f3n<\/strong> - Seguridad de las comunicaciones PLC en las f\u00e1bricas de automoci\u00f3n del Medio Oeste<\/p>\n<\/li>\n<li data-start=\"1907\" data-end=\"1987\">\n<p data-start=\"1910\" data-end=\"1987\"><strong data-start=\"1910\" data-end=\"1928\">Transporte p\u00fablico<\/strong> - Sistemas de control de los ferrocarriles metropolitanos<\/p>\n<\/li>\n<li data-start=\"1988\" data-end=\"2062\">\n<p data-start=\"1991\" data-end=\"2062\"><strong data-start=\"1991\" data-end=\"2004\">Petr\u00f3leo y gas<\/strong> - Enlaces de control de plataformas marinas en el Golfo de M\u00e9xico<\/p>\n<\/li>\n<\/ol>\n<hr data-start=\"2064\" data-end=\"2067\" \/>\n<h3 data-start=\"2069\" data-end=\"2105\"><strong data-start=\"2073\" data-end=\"2103\">Directrices de instalaci\u00f3n en EE.UU.<\/strong><\/h3>\n<ul data-start=\"2106\" data-end=\"2312\">\n<li data-start=\"2106\" data-end=\"2175\">\n<p data-start=\"2108\" data-end=\"2175\">Instale protectores en <strong data-start=\"2130\" data-end=\"2143\">ambos extremos<\/strong> de enlaces RS232 entre edificios<\/p>\n<\/li>\n<li data-start=\"2176\" data-end=\"2242\">\n<p data-start=\"2178\" data-end=\"2242\">Mantener la resistencia a tierra <strong data-start=\"2205\" data-end=\"2216\">&lt;5 ohmios<\/strong> seg\u00fan recomendaciones NEC<\/p>\n<\/li>\n<li data-start=\"2243\" data-end=\"2312\">\n<p data-start=\"2245\" data-end=\"2312\">Utilice cables de par trenzado apantallados para una mayor supresi\u00f3n de sobretensiones.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2314\" data-end=\"2317\" \/>\n<h3 data-start=\"2319\" data-end=\"2339\"><strong data-start=\"2323\" data-end=\"2337\">Conclusi\u00f3n<\/strong><\/h3>\n<p data-start=\"2340\" data-end=\"2488\">Para las instalaciones estadounidenses, la integraci\u00f3n de un protector contra sobretensiones RS232 es una forma rentable de eliminar los riesgos de sobretensiones el\u00e9ctricas y mantener el tiempo de actividad operativa.<\/p>\n<hr data-start=\"2490\" data-end=\"2493\" \/>\n<h2 data-start=\"2495\" data-end=\"2541\"><strong data-start=\"2498\" data-end=\"2539\">Preguntas frecuentes: Protector contra sobretensiones RS232 en EE.UU.<\/strong><\/h2>\n<p data-start=\"2542\" data-end=\"2691\"><strong data-start=\"2542\" data-end=\"2549\">Q1:<\/strong> \u00bfExige el c\u00f3digo estadounidense protecci\u00f3n contra sobretensiones para las l\u00edneas RS232?<br data-start=\"2604\" data-end=\"2607\" \/>Aunque el NEC se centra en las l\u00edneas el\u00e9ctricas, las mejores pr\u00e1cticas industriales lo recomiendan encarecidamente.<\/p>\n<p data-start=\"2693\" data-end=\"2839\"><strong data-start=\"2693\" data-end=\"2700\">Q2:<\/strong> \u00bfPuede este dispositivo proteger contra los PEM provocados por rayos cercanos?<br data-start=\"2759\" data-end=\"2762\" \/>S\u00ed: cuando est\u00e1 correctamente conectado a tierra, puede suprimir eficazmente los transitorios inducidos.<\/p>","protected":false},"excerpt":{"rendered":"<p>En todo Estados Unidos, las sobretensiones el\u00e9ctricas siguen siendo una de las principales causas de aver\u00eda de los equipos industriales. Desde los parques e\u00f3licos de Texas hasta los sistemas de se\u00f1alizaci\u00f3n del metro de Nueva York, las l\u00edneas de comunicaci\u00f3n RS232 suelen ser los puntos d\u00e9biles ocultos de las redes de automatizaci\u00f3n. La NOAA informa de que estados como Florida, Luisiana y Misisipi experimentan algunas de las...<\/p>","protected":false},"author":18,"featured_media":23487,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-27892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RS232 surge protector | LEEYEE Electrics<\/title>\n<meta name=\"description\" content=\"Discover RS232 surge protector and further information about electrical protection. 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