{"id":10280,"date":"2020-04-28T11:11:56","date_gmt":"2020-04-28T14:11:56","guid":{"rendered":"http:\/\/kb.elipse.com.br\/?p=10280"},"modified":"2020-09-28T09:33:29","modified_gmt":"2020-09-28T12:33:29","slug":"problemas-comuns-no-driver-modbus-indexacao-de-enderecos-de-registradores","status":"publish","type":"post","link":"https:\/\/kb.elipse.com.br\/en\/problemas-comuns-no-driver-modbus-indexacao-de-enderecos-de-registradores\/","title":{"rendered":"Problemas Comuns no Driver Modbus: Indexa\u00e7\u00e3o de Endere\u00e7os de Registradores."},"content":{"rendered":"<h3>Descri\u00e7\u00e3o:<\/h3>\n<p>Um problema comum enfrentado pelo driver <a href=\"https:\/\/kb.elipse.com.br\/category\/portugues\/drivers\/modicon-modbus-master-ascrtutcp\/\" target=\"_blank\" rel=\"noopener noreferrer\">Modicon Modbus Master<\/a> \u00e9 o seguinte: a comunica\u00e7\u00e3o costuma ocorrer, por\u00e9m os valores lidos s\u00e3o diferentes do esperado. Isto pode ocorrer por diferen\u00e7as na indexa\u00e7\u00e3o dos endere\u00e7os de registradores utilizada pelo driver <a href=\"https:\/\/www.elipse.com.br\/downloads\/?cat=48&#038;key=&#038;language=ptbr\" target=\"_blank\" rel=\"noopener noreferrer\">Modbus<\/a>\u00a0e pelo equipamento. Esta \u00e9 uma situa\u00e7\u00e3o que ocorre principalmente na leitura de vari\u00e1veis de tipo FLOAT. Como posso resolver este problema?<\/p>\n<h3>Solu\u00e7\u00e3o:<\/h3>\n<p>O Modbus pode iniciar a indexa\u00e7\u00e3o os endere\u00e7os de seus registradores a partir de 0 ou a partir de 1. Se a indexa\u00e7\u00e3o do driver n\u00e3o estiver &#8220;casada&#8221; com os valores corretos, \u00e9 poss\u00edvel que ocorram leituras de valores incorretos, ou at\u00e9 mesmo acessos a endere\u00e7os inv\u00e1lidos. \u00c9 importante, ent\u00e3o, que a indexa\u00e7\u00e3o do equipamento ocorra a partir do valor esperado, seja ele 0 ou 1.<\/p>\n<p>Para contornar essa situa\u00e7\u00e3o, utilize a janela de configura\u00e7\u00f5es do driver e, na aba Modbus, marque a propriedade <strong>Data Address Model Offset<\/strong> de acordo com o padr\u00e3o de endere\u00e7amento empregado pelo equipamento (iniciando em 0 ou 1). Para descobrir o padr\u00e3o de endere\u00e7amento de cada equipamento, consulte a documenta\u00e7\u00e3o fornecida pelo fabricante.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-10282\" src=\"http:\/\/kb.elipse.com.br\/wp-content\/uploads\/2020\/03\/10280\/DataIsAddressedFrom.png\" alt=\"\" width=\"577\" height=\"405\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Artigos Relacionados:<\/h3>\n<hr \/>\n<ul>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=9663\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: M\u00faltiplos Escravos com Conversor RS485<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10280\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: Endere\u00e7amentos Iniciam em \u00cdndices Diferentes<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10285\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: Bytes e Words Fora de Ordem<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10296\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: Descontinuidade no Endere\u00e7amento do Equipamento<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10300\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: Equipamento Incrementa Endere\u00e7os Fora do Padr\u00e3o<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10304\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: Interpretando Prefixos de Endere\u00e7os<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/?p=10309\" target=\"_blank\" rel=\"noopener noreferrer\">Problemas Comuns no Driver Modbus: C\u00f3digos de Exce\u00e7\u00e3o do Protocolo<\/a><\/li>\n<li><a href=\"https:\/\/kb.elipse.com.br\/problemas-comuns-no-driver-modbus-indexacao-de-enderecos-de-registradores\/\">Problemas Comuns no Driver Modbus: Indexa\u00e7\u00e3o de Endere\u00e7os de Registradores.<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Descri\u00e7\u00e3o: Um problema comum enfrentado pelo driver Modicon Modbus Master \u00e9 o seguinte: a comunica\u00e7\u00e3o costuma ocorrer, por\u00e9m os valores lidos s\u00e3o diferentes do esperado. Isto pode ocorrer por diferen\u00e7as&hellip;<\/p>\n","protected":false},"author":34,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0},"categories":[626],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Problemas Comuns Modbus: Indexa\u00e7\u00e3o de Endere\u00e7os de Registradores<\/title>\n<meta name=\"description\" content=\"Este artigo ilustra como proceder quando h\u00e1 discrep\u00e2ncia no in\u00edcio da indexa\u00e7\u00e3o de endere\u00e7os de registradores no driver Modbus.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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