{"product_id":"allen-bradley-1771-nis-high-resolution-isolated-analog-input-module","title":"Módulo de Entrada Analógica Isolada de Alta Resolução Allen Bradley 1771-NIS","description":"\u003ch3\u003e\u003cstrong\u003eVisão Geral\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eO \u003cstrong\u003e1771-NIS\u003c\/strong\u003e é um módulo de entrada analógica de alta resolução da série 1771-N da Allen-Bradley. Foi projetado para uso com controladores PLC-5, PLC-5\/250 e PLC-3, suportando entradas de corrente isoladas com alimentação integrada para transmissores de 2 fios.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEspecificações Técnicas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFabricante:\u003c\/strong\u003e Rockwell Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNúmero de Catálogo:\u003c\/strong\u003e 1771-NIS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTipo de Módulo:\u003c\/strong\u003e Módulo de Entrada Analógica (Série N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNúmero de Entradas:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTipo de Entrada:\u003c\/strong\u003e Corrente (4–20 mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaixa de Entrada:\u003c\/strong\u003e 0,1 a 21 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolução de Entrada:\u003c\/strong\u003e 0,34 µA\/bit (16 bits unipolar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedância de Entrada:\u003c\/strong\u003e ≤ 300 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlimentação do Loop:\u003c\/strong\u003e 20–30 VCC (fornecida pelo módulo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrente do Backplane:\u003c\/strong\u003e 2,9 A @ 5 VCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispersão de Potência:\u003c\/strong\u003e 12 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormato de Dados:\u003c\/strong\u003e BCD ou Binário Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTempo de Atualização:\u003c\/strong\u003e ≤ 25 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAtraso do Sinal CA (Desligado):\u003c\/strong\u003e 45 ms ±15 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAtraso do Sinal CC (Desligado):\u003c\/strong\u003e 50 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRejeição de Modo Comum:\u003c\/strong\u003e 150 dB (típico)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRejeição de Modo Normal:\u003c\/strong\u003e 50–60 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeriva de Offset:\u003c\/strong\u003e ±200 nA\/°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeriva de Ganho:\u003c\/strong\u003e ±95 ppm\/°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProteção contra Sobretensão:\u003c\/strong\u003e 24 VCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimite de Subfaixa:\u003c\/strong\u003e 3,2 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimite de Sobrefaixa:\u003c\/strong\u003e 21 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTempo de Detecção de Circuito Aberto:\u003c\/strong\u003e ≤ 5 s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMontagem:\u003c\/strong\u003e Montável em rack no chassi de E\/S 1771\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraço de Fiação:\u003c\/strong\u003e 1771-WH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePainel RTP:\u003c\/strong\u003e 1771-RTP4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperatura de Operação:\u003c\/strong\u003e 0 a 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUmidade Relativa:\u003c\/strong\u003e 5% a 95% (sem condensação)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDestaques Funcionais\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFornece alimentação de loop para transmissores de 2 fios\u003c\/li\u003e\n\u003cli\u003eCanais de entrada isolados para imunidade a ruídos\u003c\/li\u003e\n\u003cli\u003eCompatível com instruções de transferência em bloco\u003c\/li\u003e\n\u003cli\u003eSuporta aquisição de sinal de corrente de alta resolução\u003c\/li\u003e\n\u003cli\u003eProjetado para ambientes industriais com proteção robusta contra EMI\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42449375854659,"sku":"1771-NIS","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/1771-NIS.png?v=1753687085","url":"https:\/\/www.plcdcspro.com\/pt\/products\/allen-bradley-1771-nis-high-resolution-isolated-analog-input-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}