{"product_id":"allen-bradley-1769-ia8i-compactlogix-8-point-d-i-module","title":"Módulo Allen Bradley 1769-IA8I Compactlogix de 8 Pontos de Entrada Digital","description":"\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"13b2d554-bcf9-445c-a559-1a80a8082a3c\" dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003e\u003cstrong\u003eMódulo de Entrada Digital CompactLogix Allen Bradley 1769‑IA8I\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eO \u003cstrong\u003eAllen Bradley 1769‑IA8I\u003c\/strong\u003e, também catalogado como o módulo de entrada digital \u003cstrong\u003e1769‑IA8I\u003c\/strong\u003e, opera como um componente de hardware dedicado para aquisição de sinais CA dentro das redes CompactLogix e 1769 I\/O.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEspecificações de Hardware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParâmetro\u003c\/th\u003e\n\u003cth\u003eEspecificação\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModelo\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑IA8I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMarca\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigem\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNão especificado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e270 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensões\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e118 x 35 x 87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTemperatura de Operação\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNão especificado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConsumo de Energia\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e90 mA @ 5,1 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTipo de Entrada\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e8 entradas CA isoladas individualmente\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategoria de Tensão\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e100\/120 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFaixa de Tensão de Operação\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e79–132 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFaixa de Frequência\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAtraso de Entrada (Ligado\/Desligado)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e20 ms \/ 20 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensão em Estado Desligado (Máx)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e20 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente em Estado Desligado (Máx)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2,5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensão em Estado Ligado (Mín)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e79 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente em Estado Ligado\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e5 mA @ 74 V CA (mín), 12 mA @ 120 V CA (máx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente de Surto (Máx)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eImpedância de Entrada\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e12 kΩ @ 50 Hz, 10 kΩ @ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensão de Isolamento\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1517 V CA ou 2145 V CC por 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensão de Trabalho\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e132 V CA (isolamento reforçado Classe II IEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMontagem\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eMontagem em trilho DIN ou painel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eLargura do Slot\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCompatibilidade de Fonte de Alimentação\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑PA2, 1769‑PB2, 1769‑PA4, 1769‑PB4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eClassificação de Distância\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e8 módulos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTorque do Parafuso Terminal\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0,68 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTorque do Parafuso de Fixação\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0,46 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTamanho do Fio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e22–14 AWG sólido, 22–16 AWG trançado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTipo de Fio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eCu‑90 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBloco Terminal de Substituição\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RTBN18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eEtiqueta de Porta de Substituição\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePorta de Substituição\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eClassificação do Tipo de Invólucro\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNenhum (estilo aberto)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eVelocidade de Comunicação do Barramento Backplane e Compatibilidade de Flash de Firmware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDentro das arquiteturas CompactLogix, o 1769‑IA8I segue regras determinísticas de agendamento do backplane que governam o tempo de atualização das entradas. Cada canal de entrada CA é amostrado de acordo com ciclos fixos do barramento, garantindo propagação previsível das mudanças de estado para a varredura do controlador. A compatibilidade do firmware flash é mantida por meio de perfis com revisões correspondentes, prevenindo falhas de inicialização durante a energização do módulo. A escala de densidade de E\/S é suportada pela classificação de distância da plataforma 1769, permitindo até oito módulos a partir da fonte de alimentação sem degradar o tempo do barramento ou o comportamento de travamento da entrada.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerguntas Frequentes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eP: O 1769‑IA8I pode ser trocado a quente?\u003c\/strong\u003e R: Não. O módulo deve ser inserido ou removido somente quando o sistema CompactLogix ou 1769 I\/O estiver desenergizado para evitar estados de entrada indefinidos.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eP: Cada canal de entrada possui isolamento elétrico?\u003c\/strong\u003e R: Sim. Todos os oito pontos de entrada são isolados individualmente, permitindo aquisição independente de sinal CA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eP: São possíveis incompatibilidades de firmware durante a instalação?\u003c\/strong\u003e R: Sim. O controlador requer um perfil de módulo correspondente; firmware incompatível pode impedir a inicialização correta ou a escala de entrada.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiretrizes para Instalação em Campo\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGarantir que o sistema esteja desenergizado antes de instalar ou remover o módulo.\u003c\/li\u003e\n\u003cli\u003eRoteie a fiação de entrada CA separadamente dos condutores analógicos de baixo nível ou de comunicação para reduzir o acoplamento de ruído.\u003c\/li\u003e\n\u003cli\u003eManter o torque adequado nos parafusos dos terminais e de retenção para garantir estabilidade mecânica.\u003c\/li\u003e\n\u003cli\u003eUsar condutores de cobre classificados para 90 °C e verificar os comprimentos de decapagem da isolação antes da terminação.\u003c\/li\u003e\n\u003cli\u003eConfirmar a colocação do módulo dentro da classificação de distância de oito módulos da fonte de alimentação.\u003c\/li\u003e\n\u003cli\u003eValidar as transições de estado de entrada após a comissionamento para garantir o comportamento correto do atraso de ligar\/desligar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43809215316042,"sku":"1769-IA8I","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1769-OW16_1.jpg?v=1743411288","url":"https:\/\/www.topbrandsplc.com\/pt\/products\/allen-bradley-1769-ia8i-compactlogix-8-point-d-i-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}