{"product_id":"ai843-3bse028925r1-abb-ac-800m-analog-input","title":"AI843 3BSE028925R1 ABB AC 800M Entrada Analógica","description":"\u003ch2\u003e\u003cstrong\u003eMódulo de Entrada Termopar\/mV AI843\u003c\/strong\u003e\u003c\/h2\u003e\u003ch3\u003e\u003cstrong\u003eDescrição\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eO Módulo de Entrada Termopar\/mV AI843 faz parte da série S800 I\/O. Ele fornece 8 canais de entrada diferencial para medições de termopar\/mV. As faixas de medição configuráveis por canal são: -30 mV a +75 mV linear, ou tipos TC B, C, E, J, K, L, N, R, S, T e U.\u003c\/p\u003e\u003cp\u003eUm canal Pt100 separado é usado para medições de temperatura de “Junta Fria” (ambiente), servindo assim como canal CJ para os canais 1 a 8. Veja a Figura 44, Figura 45 e Figura 46 para a conexão da resistência de referência e do sensor Pt100. A temperatura da junta pode ser medida localmente nos terminais de parafuso do MTU ou em uma unidade de conexão distante do dispositivo. Alternativamente, uma temperatura fixa de junta para o módulo pode ser definida pelo usuário (como parâmetro) ou uma temperatura de junta definida pela aplicação.\u003c\/p\u003e\u003cp\u003eCada canal de entrada pode medir um tipo de sinal mV (termopar ou linear) e pode ser aterrado ou não aterrado. A auto-calibração completa é realizada por meio de referências de 0V e 30 mV, que são atualizadas regularmente. Em cada canal, há um LED de Falha (Vermelho) que indica erro no canal.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCaracterísticas\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8 canais de entrada diferencial para termopar\/mV.\u003c\/li\u003e\n\u003cli\u003eOperação simples ou redundante.\u003c\/li\u003e\n\u003cli\u003eUm canal separado é usado como canal CJ (RTD Pt100 de 4 fios).\u003c\/li\u003e\n\u003cli\u003eSuporta tipos de termopar: B, C, E, J, K, L, N, R, S, T e U.\u003c\/li\u003e\n\u003cli\u003eResolução de 16 bits (conversor A\/D).\u003c\/li\u003e\n\u003cli\u003eAs entradas são monitoradas para circuito aberto por quebra de fio.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrês tipos diferentes de MTUs podem ser usados:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAplicações simples\u003c\/strong\u003e: TU830 MTU Estendido permite conexão de três fios aos dispositivos sem terminais adicionais.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAplicações redundantes\u003c\/strong\u003e: TU842 para montagem horizontal e TU843 para montagem vertical podem ser usados.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCabos de campo blindados são necessários para conexões de processo.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eDados técnicos\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEspecificações gerais a 25°C\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNúmero de canais\u003c\/strong\u003e: 8 (Diferencial)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTipo de entrada\u003c\/strong\u003e: -30 mV a 75 mV linear, ou tipos TC B, C, E, J, K, L, N, R, S, T e U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedância de entrada\u003c\/strong\u003e: \u0026gt; 1 MΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReferência de medição de temperatura CJ\u003c\/strong\u003e: RTD IEC-751\/Pt100 conectado a 4 fios, TY820 pode ser usado\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprimento máximo do cabo de campo\u003c\/strong\u003e: 600 metros (656 yd.) ou máx. 500 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCMV entre canais, máx.\u003c\/strong\u003e: 5 V c.c.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCMRR, 50 Hz, 60 Hz\u003c\/strong\u003e: 100 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMRR, 50 Hz, 60 Hz\u003c\/strong\u003e: \u0026gt;40 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolução (conversor A\/D)\u003c\/strong\u003e: 16 bits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErro\u003c\/strong\u003e: \u0026lt;0,1%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeriva de temperatura\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eTípico: 10 ppm\/°C\u003c\/li\u003e\n\u003cli\u003eMáx.: 25 ppm\/°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltro analógico (passa-baixa de 1ª ordem)\u003c\/strong\u003e: 1,1 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltro (integração)\u003c\/strong\u003e: 50 Hz ou 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTempo máximo do ciclo de atualização\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e320 ms + \u003cspan\u003e\u003cspan\u003e\u003cmath xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"\u003e\u003csemantics\u003e\u003cmrow\u003e\u003cmi\u003en\u003c\/mi\u003e\u003cmo\u003e×\u003c\/mo\u003e\u003cmn\u003e80\u003c\/mn\u003e\u003c\/mrow\u003e\u003cannotation encoding=\"application\/x-tex\"\u003en \\times 80\u003c\/annotation\u003e\u003c\/semantics\u003e\u003c\/math\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003en\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e×\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e80\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e ms a 50 Hz\u003c\/li\u003e\n\u003cli\u003e267 ms + \u003cspan\u003e\u003cspan\u003e\u003cmath xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"\u003e\u003csemantics\u003e\u003cmrow\u003e\u003cmi\u003en\u003c\/mi\u003e\u003cmo\u003e×\u003c\/mo\u003e\u003cmn\u003e67\u003c\/mn\u003e\u003c\/mrow\u003e\u003cannotation encoding=\"application\/x-tex\"\u003en \\times 67\u003c\/annotation\u003e\u003c\/semantics\u003e\u003c\/math\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003en\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e×\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e67\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e ms a 60 Hz (n = canais ativos)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupervisão\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eErro de módulo\u003c\/strong\u003e: Se canais de referência fora dos limites, alimentação baixa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErro de canal\u003c\/strong\u003e: Se circuito aberto, fora da faixa \u0026lt;-40°C (-40°F) e \u0026gt;100°C (212°F) (apenas canal de junção fria)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear\u003c\/strong\u003e: Nenhum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumo de corrente 24 V (Modulebus)\u003c\/strong\u003e: 50 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumo de corrente 5 V (Modulebus)\u003c\/strong\u003e: 60 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDissipação de potência\u003c\/strong\u003e: 1,5 W\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIsolamento\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eIsolado em grupo do terra\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eUnidades de terminação de montagem\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTU818\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTU830\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTU842\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTU843\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCódigo de chave MTU\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eB, A\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eTensão nominal de isolamento\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e50 V\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eTensão de teste dielétrico\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e500 V c.a.\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":49131752685850,"sku":"AI843","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/AI845_1.jpg?v=1717835282","url":"https:\/\/www.ubestplc.com\/pt\/products\/ai843-3bse028925r1-abb-ac-800m-analog-input","provider":"Ubest Automation Limited","version":"1.0","type":"link"}