{"product_id":"allen-bradley-1794-oa8i-flex-i-o-8-point-isolated-ac-digital-output-module","title":"Módulo de saída digital CA isolado de 8 pontos Allen-Bradley 1794-OA8I FLEX I\/O","description":"\u003ch3\u003eDescrição\u003c\/h3\u003e\n\u003cp\u003eO \u003cstrong\u003eAllen-Bradley 1794-OA8I\u003c\/strong\u003e é um módulo de saída digital CA isolada de 8 pontos para o sistema FLEX I\/O. Ele fornece oito canais de saída individualmente isolados para comutar cargas de campo de 85 a 132 VCA.\u003c\/p\u003e\n\u003cp\u003eCada saída é dimensionada para até 0,5 A a 55 °C. O módulo suporta uma corrente de saída combinada máxima de 4 A quando todos os oito canais operam a 0,5 A.\u003c\/p\u003e\n\u003cp\u003eO isolamento entre canais separa os circuitos individuais de saída CA. Os circuitos de campo também são isolados do backplane do FLEX I\/O.\u003c\/p\u003e\n\u003cp\u003eO 1794-OA8I foi projetado para aplicações de saída digital distribuída que exigem controle de cargas de 120 VCA com isolamento independente em uma estação FLEX I\/O.\u003c\/p\u003e\n\u003ch3\u003eRecursos\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOito canais de saída digital CA isolados\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFaixa de tensão de saída de 85 a 132 VCA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTipo de saída nominal de 120 VCA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMáximo de 0,5 A por saída a 55 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrente máxima de saída de 4 A por módulo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIsolamento individual entre canais\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIsolamento entre o campo e o backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArquitetura de E\/S distribuída FLEX I\/O\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCapacidade de remoção e inserção sob tensão\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFaixa de temperatura operacional de 0 a 55 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFiação de campo individual por meio do sistema de bases de terminais FLEX I\/O\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAplicações\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eControle de válvulas solenoides de CA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComutação de bobinas de contatores e relés\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControle de atuadores de máquinas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEstações de saída digital distribuídas de 120 VCA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComutação isolada de cargas de campo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpansão do FLEX I\/O em sistemas de controle industrial\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003ch4\u003eGeral\u003c\/h4\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\u003ctd\u003eFabricante\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNúmero de catálogo\u003c\/td\u003e\n\u003ctd\u003e1794-OA8I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFamília do produto\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTipo de produto\u003c\/td\u003e\n\u003ctd\u003eMódulo de saída digital CA isolada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNúmero de saídas\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTipo de saída\u003c\/td\u003e\n\u003ctd\u003e120 VCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolamento\u003c\/td\u003e\n\u003ctd\u003eSaídas individuais isoladas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePaís de origem\u003c\/td\u003e\n\u003ctd\u003eSingapura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e612598179954\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus do ciclo de vida\u003c\/td\u003e\n\u003ctd\u003eMadura ativa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eElétrica\u003c\/h4\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\u003ctd\u003eFaixa de tensão de saída\u003c\/td\u003e\n\u003ctd\u003e85 a 132 VCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensão nominal de saída\u003c\/td\u003e\n\u003ctd\u003e120 VCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrente mínima no estado ligado\u003c\/td\u003e\n\u003ctd\u003e5 mA por saída\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrente máxima no estado ligado\u003c\/td\u003e\n\u003ctd\u003e0,5 A por saída a 55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrente máxima de saída do módulo\u003c\/td\u003e\n\u003ctd\u003e4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQueda máxima de tensão no estado ligado\u003c\/td\u003e\n\u003ctd\u003e1,0 V a 0,5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrente máxima de fuga no estado desligado\u003c\/td\u003e\n\u003ctd\u003e2,25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrente máxima de surto\u003c\/td\u003e\n\u003ctd\u003e7 A por 45 ms, repetível a cada 8 segundos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolamento entre campo e backplane\u003c\/td\u003e\n\u003ctd\u003e120 V contínuos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolamento entre canais\u003c\/td\u003e\n\u003ctd\u003e120 V contínuos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensão de teste de isolamento\u003c\/td\u003e\n\u003ctd\u003e1250 VCA por 60 segundos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eAmbiental\u003c\/h4\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\u003ctd\u003eTemperatura de operação\u003c\/td\u003e\n\u003ctd\u003e0 a 55 °C (32 a 131 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConexões \/ interfaces\u003c\/h3\u003e\n\u003cp\u003eO 1794-OA8I conecta-se a dispositivos de campo por meio de uma configuração compatível de base de terminais FLEX I\/O.\u003c\/p\u003e\n\u003cp\u003eCada canal de saída é eletricamente isolado. São necessárias fontes CA separadas para canais individuais quando o isolamento entre canais deve ser mantido.\u003c\/p\u003e\n\u003cp\u003eA fiação de campo deve seguir o diagrama de fiação aplicável do Rockwell Automation 1794-OA8I e a documentação da base de terminais.\u003c\/p\u003e\n\u003ch3\u003eInstalação e comissionamento\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eVerifique o número de catálogo e o requisito de carga de campo de 85 a 132 VCA antes da instalação.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirme a base de terminais FLEX I\/O selecionada e a configuração da fiação.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerifique se a corrente da carga permanece dentro dos limites de corrente da saída e do módulo.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMantenha o isolamento entre canais quando a aplicação exigir circuitos CA isolados.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerifique a fiação de campo antes de aplicar alimentação CA às saídas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerifique cada saída individualmente durante o comissionamento.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirme se os comandos de saída do CLP correspondem às cargas de campo pretendidas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53754858701163,"sku":"1794-OA8I","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1794-OA8I_1200x1200_fbd754f9-d2e6-4a07-9bd9-d305d4a5108b.jpg?v=1787395419","url":"https:\/\/www.plcprotech.com\/pt\/products\/allen-bradley-1794-oa8i-flex-i-o-8-point-isolated-ac-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}