{"id":11570,"date":"2023-05-12T11:39:54","date_gmt":"2023-05-12T09:39:54","guid":{"rendered":"https:\/\/digitalyacht.es\/blog\/?p=11570"},"modified":"2023-05-12T11:40:14","modified_gmt":"2023-05-12T09:40:14","slug":"comprobar-red-nmea-2000","status":"publish","type":"post","link":"https:\/\/digitalyacht.es\/blog\/2023\/05\/12\/comprobar-red-nmea-2000\/","title":{"rendered":"Comprobar una red NMEA 2000"},"content":{"rendered":"<p>La temporada n\u00e1utica empieza y los navegantes pueden por fin preparar sus barcos, a\u00f1adir nuevos accesorios y volver a poner en marcha los equipos tras un largo invernaje. En esta \u00e9poca del a\u00f1o nuestro equipo recibe a menudo solicitudes de asesoramiento sobre instalaciones y accesorios NMEA 2000. Hace poco, uno de nuestros clientes tuvo dificultades con el cableado de su red NMEA 2000. Para ayudarles en este tipo de situaciones, hemos creado una nueva gu\u00eda sobre c\u00f3mo crear un cable de prueba NMEA 2000 para <strong>comprobar una red NMEA 2000<\/strong> a bordo.<\/p>\n<p>Si tienes un cable antiguo o un cable de repuesto NMEA 2000 en su caja de herramientas, puedes utilizarlo para <strong>crear tu propio cable de prueba NMEA 2000<\/strong>. Simplemente cortando el cable por la mitad y retirando el aislamiento exterior, puedes crear dos cables de prueba a partir de un cable macho-hembra. A continuaci\u00f3n, puedes conectar los cinco cables del interior (rojo, blanco, azul, negro y blindaje) a un conector de bloque, como se muestra en la imagen siguiente. De esta forma podr\u00e1s <strong>comprobar f\u00e1cilmente el funcionamiento de tu red NMEA 2000<\/strong> y solucionar r\u00e1pidamente cualquier problema.<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  class=\"wp-image-11572 aligncenter pk-lazyload\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"cable para comprobar red NMEA 2000\"  width=\"744\"  height=\"132\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 744px) 100vw, 744px\"  data-pk-src=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz.jpg\"  data-pk-srcset=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz.jpg 1574w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-300x53.jpg 300w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-768x137.jpg 768w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-1024x182.jpg 1024w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-260x46.jpg 260w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-50x9.jpg 50w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/N2K-Test-Cable-Horiz-150x27.jpg 150w\" ><\/p>\n<p>Para <strong>comprobar el funcionamiento tu red NMEA 2000<\/strong>, debes utilizar principalmente el cable de prueba macho. Dado que la mayor\u00eda de las conexiones \u00abtroncales\u00bb son hembras, puedes simplemente conectar el cable de prueba macho a cualquiera de estas conexiones. El cable de prueba hembra es m\u00e1s adecuado para un dispositivo que se alimenta a trav\u00e9s del bus NMEA 2000 para una\u00a0configuraci\u00f3n o actualizaci\u00f3n del firmware.<\/p>\n<p>Para las siguientes pruebas, utilizaremos el cable de prueba macho junto con un mult\u00edmetro. Con \u00e9l podemos medir la tensi\u00f3n de alimentaci\u00f3n NMEA 2000 en los cables de alimentaci\u00f3n rojo y negro y comprobar que la red est\u00e1 correctamente terminada midiendo la resistencia entre los cables de datos azul y blanco.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><strong>Comprobaci\u00f3n de la tensi\u00f3n de alimentaci\u00f3n NMEA 2000<\/strong><\/h2>\n<p>Es muy importante comprobar la tensi\u00f3n de alimentaci\u00f3n de la red NMEA 2000, que debe alimentarse con 12 V. Dependiendo de cu\u00e1ntos dispositivos est\u00e9n conectados y cu\u00e1nta energ\u00eda consuman, puedes notar una ca\u00edda de tensi\u00f3n a lo largo de la red. En casos extremos, esto puede afectar a la alimentaci\u00f3n de los dispositivos conectados y que no reciban la tensi\u00f3n de alimentaci\u00f3n necesaria de 9,0 a 16,0 V CC, tal como se especifica en la norma NMEA 2000.<\/p>\n<p>Para <strong>comprobar la tensi\u00f3n de alimentaci\u00f3n de la red NMEA 2000<\/strong>, puedes utilizar el cable de prueba y conectarlo a diferentes puntos de la red. En una red NMEA 2000 bien dise\u00f1ada, la ca\u00edda de tensi\u00f3n nunca debe ser superior a 1,5 V. As\u00ed, si la tensi\u00f3n de alimentaci\u00f3n es de 12,5 V, no deber\u00edas medir un valor inferior a 11 V en ning\u00fan punto de la red.<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  class=\"wp-image-11574 aligncenter pk-lazyload\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"comprobar red NMEA 2000\"  width=\"613\"  height=\"368\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 613px) 100vw, 613px\"  data-pk-src=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage.jpg\"  data-pk-srcset=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage.jpg 910w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage-300x180.jpg 300w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage-768x461.jpg 768w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage-243x146.jpg 243w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage-50x30.jpg 50w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Supply-Voltage-125x75.jpg 125w\" ><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><strong>Comprobaci\u00f3n de la terminaci\u00f3n de la red NMEA 2000<\/strong><\/h2>\n<p>Al instalar una red NMEA 2000, es imprescindible que est\u00e9 correctamente terminada con una resistencia de 120 ohmios en cada extremo de la red. Utilizar ning\u00fan terminador, solo un terminador o m\u00e1s de dos terminadores puede provocar la degradaci\u00f3n de las se\u00f1ales de datos, lo que puede afectar negativamente al funcionamiento de la red. Para evitarlo, es esencial que te asegures de que tu red NMEA 2000 est\u00e1 correctamente terminada.<\/p>\n<p><strong>Para comprobar que tu red NMEA 2000 est\u00e1 correctamente terminada<\/strong>, simplemente conecta el cable de prueba a una toma libre de la red NMEA 2000 y realiza una prueba de resistencia entre los cables de datos azul y blanco del cable de prueba NMEA 2000. Es importante que la red NMEA 2000 est\u00e9 apagada\/no alimentada durante la prueba. La resistencia medida debe ser de 60 ohmios +\/- 5%.<\/p>\n<h2 style=\"text-align: center;\"><img  loading=\"lazy\"  decoding=\"async\"  class=\"alignnone wp-image-11573 pk-lazyload\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"comprobar red NMEA 2000\"  width=\"650\"  height=\"391\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 650px) 100vw, 650px\"  data-pk-src=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance.jpg\"  data-pk-srcset=\"https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance.jpg 907w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance-300x181.jpg 300w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance-768x462.jpg 768w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance-243x146.jpg 243w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance-50x30.jpg 50w, https:\/\/digitalyacht.es\/blog\/wp-content\/uploads\/2023\/05\/NMEA2000-Terminator-Resistance-125x75.jpg 125w\" ><\/h2>\n<p>&nbsp;<\/p>\n<p>Para m\u00e1s informaci\u00f3n sobre la creaci\u00f3n de una red NMEA 2000 a bordo, hemos elaborado una gu\u00eda de la red NMEA 2000 que puedes consultar aqu\u00ed.<\/p>\n[button title=\u00bbGuia de la red NMEA 2000&#8243; link=\u00bbhttps:\/\/digitalyacht.es\/blog\/guia-red-nmea-2000\/\u00bb target=\u00bb_blank\u00bb align=\u00bbcenter\u00bb icon=\u00bb\u00bb icon_position=\u00bb\u00bb color=\u00bb\u00bb font_color=\u00bb\u00bb size=\u00bb2&#8243; full_width=\u00bb\u00bb class=\u00bb\u00bb download=\u00bb\u00bb rel=\u00bb\u00bb onclick=\u00bb\u00bb]\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\">Utilizar el NAVDoctor para un diagnostico completo de la red NMEA 2000<\/h2>\n<p style=\"text-align: left;\">Las dos pruebas anteriores son pasos importantes para garantizar la integridad el\u00e9ctrica de tu red NMEA 2000. Sin embargo, dado el gran n\u00famero de dispositivos NMEA 2000 en los barcos, tambi\u00e9n pueden producirse problemas de interoperabilidad y de datos. Si deseas probar y diagnosticar redes NMEA 2000, nuestra <a href=\"https:\/\/digitalyacht.es\/producto\/navdoctor\/\" target=\"_blank\" rel=\"noopener\">herramienta de diagn\u00f3stico NMEA 2000 NAVDoctor<\/a> es una buena inversi\u00f3n. A continuaci\u00f3n encontrar\u00e1 dos v\u00eddeos sobre las funcionalidades de esta herramienta de diagn\u00f3stico.<\/p>\n<p><iframe loading=\"lazy\" title=\"NavDoctor - NMEA 2000 Network Diagnostic Tool - Digital Yacht\" src=\"https:\/\/www.youtube.com\/embed\/0hp9t8hmCwI\" width=\"819\" height=\"675\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"NMEA Virtual Education Week - NavDoctor Webinar - Digital Yacht\" src=\"https:\/\/www.youtube.com\/embed\/HfuUEdKeBX4\" width=\"819\" height=\"675\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n[button title=\u00bbDescubrir NAVDoctor\u00bb link=\u00bbhttps:\/\/digitalyacht.es\/producto\/navdoctor\/\u00bb target=\u00bb_blank\u00bb align=\u00bbcenter\u00bb icon=\u00bb\u00bb icon_position=\u00bb\u00bb color=\u00bb\u00bb font_color=\u00bb\u00bb size=\u00bb2&#8243; full_width=\u00bb\u00bb class=\u00bb\u00bb download=\u00bb\u00bb rel=\u00bb\u00bb onclick=\u00bb\u00bb]\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"La temporada n\u00e1utica empieza y los navegantes pueden por fin preparar sus barcos, a\u00f1adir nuevos accesorios y volver&hellip;\n","protected":false},"author":3,"featured_media":11572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":372,"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_masonry":"","csco_page_load_nextpost":"","csco_post_subtitle":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"footnotes":""},"categories":[345,348,354],"tags":[529,528,429],"class_list":{"0":"post-11570","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-informacion-de-producto","8":"category-nmea-signal-k","9":"category-tecnicas","10":"tag-comprobar-red-nmea-2000","11":"tag-crear-una-red-nmea-2000","12":"tag-diagnostico-y-pruebas-de-la-red-nmea-2000","13":"cs-entry","14":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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