{"id":1012998,"date":"2023-09-04T19:38:14","date_gmt":"2023-09-04T19:38:14","guid":{"rendered":"https:\/\/beta-new.inhand.com\/?p=6779"},"modified":"2026-06-04T00:44:01","modified_gmt":"2026-06-04T00:44:01","slug":"what-is-modbus","status":"publish","type":"post","link":"https:\/\/www.inhand.com\/es\/support\/blogs\/what-is-modbus","title":{"rendered":"\u00bfQu\u00e9 es Modbus y c\u00f3mo funciona en la industria?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1012998\" class=\"elementor elementor-1012998\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5deb9f e-con-full anli_box e-flex e-con e-parent\" data-id=\"f5deb9f\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c1a9e e-con-full anli_box_l e-flex e-con e-child\" data-id=\"6c1a9e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34437fe7 elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"34437fe7\" data-element_type=\"widget\" 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\">\u00bfQu\u00e9 es Modbus y c\u00f3mo funciona en la industria?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3775149e e-con-full e-flex e-con e-child\" data-id=\"3775149e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10a10b91 elementor-widget elementor-widget-heading\" data-id=\"10a10b91\" data-element_type=\"widget\" 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\">Blogs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6bac9b35 e-con-full e-flex e-con e-child\" data-id=\"6bac9b35\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-788fe74d elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"788fe74d\" data-element_type=\"widget\" id=\"maodian1\" 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\">Conclusiones clave<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257fbef5 elementor-widget elementor-widget-heading\" data-id=\"257fbef5\" data-element_type=\"widget\" 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\">El protocolo es el lenguaje que se utiliza en la tecnolog\u00eda de la comunicaci\u00f3n, al igual que el lenguaje de nuestra conversaci\u00f3n cotidiana. Si no se aprende este protocolo, solo se sabe que es &quot;1&quot;, y si se aprende, se sabe que significa izquierda.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c692e0c elementor-widget elementor-widget-text-editor\" data-id=\"c692e0c\" 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><strong>\u00bfQu\u00e9 es un protocolo?<\/strong><\/p><p>Primero, veamos qu\u00e9 es un protocolo. Un protocolo es el lenguaje que se usa en la tecnolog\u00eda de la comunicaci\u00f3n, al igual que el lenguaje de nuestra conversaci\u00f3n diaria. Por ejemplo, establecemos un acuerdo llamado protocolo: &quot;1&quot; es izquierda, &quot;2&quot; es derecha, y yo te dar\u00e9 un &quot;1&quot;. Si no conoces este protocolo, solo sabr\u00e1s que es &quot;1&quot;, y si lo conoces, sabr\u00e1s que significa izquierda.<\/p><p>\u00bfQu\u00e9 es el protocolo Modbus?<\/p><p>Tras comprender el concepto de &quot;protocolo&quot;, veamos qu\u00e9 es el protocolo Modbus. Modbus es un protocolo de comunicaci\u00f3n en serie, un protocolo de bus publicado por la empresa Modicon (ahora propiedad de Schneider Electric) en 1979 para la comunicaci\u00f3n con su controlador l\u00f3gico programable (PLC).<\/p><p>Existen varias versiones del protocolo Modbus para el puerto serie y Ethernet, y las m\u00e1s comunes son Modbus TCP, Modbus RTU, Modbus ASCII y Modbus Plus.<\/p><p><strong>Protocolo Modbus ASCII<\/strong><\/p><p>El protocolo Modbus ASCII se basa en el protocolo Modbus RTU, que convierte las instrucciones en caracteres ASCII para su transmisi\u00f3n. Por ejemplo, el protocolo Modbus RTU necesita transmitir el n\u00famero &quot;12&quot;, lo que requiere solo un byte. El protocolo Modbus ASCII necesita convertir el n\u00famero &quot;1&quot; en &quot;31&quot; y el n\u00famero &quot;2&quot; en &quot;32&quot;, lo que requiere dos bytes para su transmisi\u00f3n. Por lo tanto, Modbus ASCII es ineficiente y tiene una baja tasa de utilizaci\u00f3n.<\/p><p><strong>Protocolo Modbus Plus<\/strong><\/p><p>El protocolo Modbus Plus, com\u00fanmente conocido como MB+, es una red Fieldbus de alta velocidad, una red de bus de token t\u00edpica y un sistema de red de \u00e1rea local, especialmente para aplicaciones de control industrial.<\/p><p><strong>Protocolo Modbus TCP<\/strong><\/p><p>El protocolo Modbus TCP se utiliza para gestionar y controlar equipos de automatizaci\u00f3n. Permite el uso de mensajes Modbus en entornos de intranet e internet mediante el protocolo TCP\/IP. Se puede considerar como un protocolo Modbus RTU que se ejecuta sobre Ethernet.<\/p><p><strong>Protocolo Modbus RTU<\/strong><\/p><p>El protocolo Modbus es un protocolo que se ejecuta entre dispositivos; o mejor dicho, \u00a1debe existir un protocolo Modbus RTU entre ellos! Esto est\u00e1 estipulado en el protocolo Modbus, y el modo predeterminado debe ser el protocolo RTU. La estructura de la trama generalmente consta de direcci\u00f3n, c\u00f3digo de funci\u00f3n, datos y verificaci\u00f3n.<\/p><p><strong>\u00bfPor qu\u00e9 el protocolo Modbus est\u00e1 tan de moda?<\/strong><\/p><p>Hasta ahora, parece que no se entiende por qu\u00e9 el protocolo Modbus es tan popular. Averig\u00fc\u00e9moslo juntos.<\/p><p>Modbus se ha convertido en el protocolo de comunicaci\u00f3n est\u00e1ndar de la industria (de facto) y ahora es un modo de conexi\u00f3n com\u00fan (un est\u00e1ndar industrial) entre dispositivos electr\u00f3nicos industriales. Adem\u00e1s, existen tres claves principales para su \u00e9xito:<\/p><ul><li><p>Publicado p\u00fablicamente y sin requisitos de derechos de autor.<\/p><\/li><li><p>F\u00e1cil de implementar y mantener.<\/p><\/li><li><p>No existen muchas restricciones para modificar bits o bytes locales.<\/p><\/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-4a0634a elementor-widget elementor-widget-image\" data-id=\"4a0634a\" 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=\"1200\" height=\"200\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1.png\" class=\"attachment-large size-large wp-image-960085\" alt=\"Diagrama de comunicaci\u00f3n industrial que muestra el funcionamiento del protocolo Modbus entre dispositivos.\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1.png 1200w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1-300x50.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1-768x128.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1-18x3.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/modbus-1-600x100.png 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\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-0fd9789 elementor-widget elementor-widget-text-editor\" data-id=\"0fd9789\" 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><strong>En t\u00e9rminos generales, Modbus es un protocolo para el control industrial que tiene tres caracter\u00edsticas: es de uso gratuito, f\u00e1cil de usar y f\u00e1cil de modificar, y se ha utilizado ampliamente.\u00a0<\/strong><\/p><p>Debido a las caracter\u00edsticas mencionadas, el protocolo Modbus ha resistido el paso del tiempo y todav\u00eda se utiliza en una amplia gama de campos, como instrumentos y medidores, aparatos el\u00e9ctricos inteligentes de alta y baja tensi\u00f3n, transmisores, controladores programables, interfaces hombre-m\u00e1quina, convertidores de frecuencia, equipos inteligentes de campo, etc.<\/p><p><strong>\u00bfC\u00f3mo se utiliza Modbus en la industria?<\/strong><\/p><p>Llega la nueva generaci\u00f3n\u00a0<a href=\"https:\/\/inhandgo.com\/products\/ingateway502-industrial-cellular-gateway\" target=\"_self\">puerta de enlace de borde de IoT<\/a>\u00a0Dise\u00f1ado para IoT industrial. Con protocolos industriales preintegrados como Modbus TCP\/RTU y nubes de IoT como MS Azure y AWS, el\u00a0<a href=\"https:\/\/inhandgo.com\/products\/ingateway502-industrial-cellular-gateway\" target=\"_self\">puerta de enlace de borde de IoT<\/a>\u00a0Permite recopilar f\u00e1cilmente datos de diferentes dispositivos locales, validar los datos y subirlos a la nube; adem\u00e1s, la configuraci\u00f3n solo lleva unos minutos y no requiere programaci\u00f3n.<\/p>\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-d06c00d elementor-widget elementor-widget-image\" data-id=\"d06c00d\" 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=\"554\" height=\"220\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/ig502-modbus.png\" class=\"attachment-large size-large wp-image-960084\" alt=\"Diagrama que ilustra el protocolo de comunicaci\u00f3n Modbus para la conexi\u00f3n de dispositivos industriales como sensores y controladores.\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/ig502-modbus.png 554w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/ig502-modbus-300x119.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/ig502-modbus-18x7.png 18w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/>\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-af435c4 elementor-widget elementor-widget-text-editor\" data-id=\"af435c4\" 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>El<a href=\"https:\/\/inhandgo.com\/products\/ingateway502-industrial-cellular-gateway\" target=\"_self\">\u00a0puerta\u00a0<\/a>Puede funcionar como maestro Modbus y leer los registros de un dispositivo esclavo Modbus. Las se\u00f1ales pueden estar presentes tanto en el enlace RS485 como en el enlace Ethernet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e87d53 e-con-full e-flex e-con e-child\" data-id=\"1e87d53\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15d3e6f0 elementor-widget elementor-widget-heading\" data-id=\"15d3e6f0\" data-element_type=\"widget\" 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\">Productos relacionados<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a74113 e-con-full e-flex e-con e-child\" data-id=\"2a74113\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f8b19dc elementor-widget__width-inherit elementor-widget elementor-widget-shortcode\" data-id=\"2f8b19dc\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">    <div class=\"product-cards-outer-container-top\">\n        <div class=\"product-cards-carousel-wrapper\" id=\"carousel-6a2e2e9dbe9f5\">\n            <div class=\"product-cards-carousel\">\n\n<div class=\"product-cards-track\">\n        <a href=\"\/es\/products\/edge-gateways\/ig502\/\" class=\"product-card-item\">\n                    <div class=\"product-card-image\">\n                <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/02\/IG502.png\">\n            <\/div>\n                <h3 class=\"product-card-title\">IG502<\/h3>\n        <p class=\"product-card-desc\">Protocolos 4G\/Eth\/Serial y E\/S\/80+<\/p>\n                    <p class=\"product-card-category\">Puerta de enlace perimetral<\/p>\n        \n                    <div class=\"product-card-button\">M\u00e1s informaci\u00f3n <img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/08\/\u7bad\u5934\u7eff\u8272.svg\" alt=\"\" style=\"width:1em;height:1em;margin-left:0.5em;vertical-align:middle;\"><\/div>\n            <\/a>\n        <a href=\"\/es\/products\/edge-gateways\/ig902\/\" class=\"product-card-item\">\n                    <div class=\"product-card-image\">\n                <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/02\/IG902.png\">\n            <\/div>\n                <h3 class=\"product-card-title\">IG902<\/h3>\n        <p class=\"product-card-desc\">4G\/Eth\/Multi Serial&amp;IO\/M\u00e1s de 80 protocolos<\/p>\n                    <p class=\"product-card-category\">Puerta de enlace perimetral<\/p>\n        \n                    <div class=\"product-card-button\">M\u00e1s informaci\u00f3n <img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/08\/\u7bad\u5934\u7eff\u8272.svg\" alt=\"\" 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style=\"width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#eee;color:#999;\">Sin imagen<\/div>\n                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/es\/industries\/intelligent-public-transport-system-2\">Sistema de transporte p\u00fablico inteligente<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n        \n        <div class=\"vpro-bottom-spacer\"><\/div>\n    <\/div>\n    <\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 es Modbus y c\u00f3mo funciona en la industria? \u00bfQu\u00e9 es un protocolo? Primero, veamos qu\u00e9 es un protocolo. El protocolo es el lenguaje utilizado para la tecnolog\u00eda de comunicaci\u00f3n, al igual que el lenguaje de nuestra conversaci\u00f3n diaria. Por ejemplo, hacemos una comunicaci\u00f3n... En t\u00e9rminos generales, Modbus es un protocolo para el control industrial, que [...]<\/p>","protected":false},"author":1,"featured_media":960081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[817],"tags":[],"case_tag":[],"class_list":["post-1012998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Modbus Protocol Industrial Applications Explained<\/title>\n<meta name=\"description\" content=\"Explore Modbus TCP\/RTU protocols for industrial automation. 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