{"product_id":"allen-bradley-1756-it6i2-controllogix-enhanced-thermocouple-analog-input-module","title":"Allen-Bradley 1756-IT6I2 Módulo de Entrada Analógica para Termopar ControlLogix Aprimorado","description":"\u003ch3\u003eVisão geral do produto\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-367\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-367\"\u003eO \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-367\"\u003e1756-IT6I2 \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-367\"\u003eé um módulo de entrada analógica de termopar aprimorado ControlLogix de 6 pontos, robusto, projetado para processamento de temperatura de alta precisão em setores industriais voláteis como refino petroquímico, geração de energia e processamento químico \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-367 citation-end-367\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-366\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eComo um módulo de termopar aprimorado projetado, possui seis canais isolados individualmente que fornecem excelente confiabilidade de sinal ao eliminar loops de terra e riscos elétricos de modo comum \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-366 citation-end-366\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-365\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEste design mitiga flutuações inesperadas de canal, maximizando diretamente o tempo de atividade da planta e protegendo loops de processamento de alto valor. O módulo integra-se perfeitamente a qualquer chassi ControlLogix padrão, servindo como uma estação de I\/O distribuída localizada ou de alto desempenho via infraestruturas EtherNet\/IP ou ControlNet \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-365 citation-end-365\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eConfiguração técnica\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-364\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEste módulo aprimorado incorpora um conversor analógico-digital Sigma-Delta de 16 bits de alta resolução para alcançar quantização precisa em nível de microvolts sobre amplos espectros térmicos \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-364 citation-end-364\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-363\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eSua arquitetura de hardware de alto desempenho alcança uma rejeição de ruído de modo comum de no mínimo 160 dB quando testada sob 600V AC a 60 Hz, garantindo integridade do sinal em ambientes com interferência eletromagnética extrema \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-363 citation-end-363\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362\"\u003eUm par combinado de termistores de compensação de junção fria (CJC) ultraprécisos acompanha o módulo para alcançar uma estabilidade localizada de \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\pm$\u003c\/span\u003e\u003cspan class=\"citation-362\"\u003e0,3 °C na interface do bloco terminal \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362 citation-end-362\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-361\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eA linearização é realizada a bordo via algoritmos ITS-90 calibrados de fábrica \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-361 citation-end-361\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-360\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eQuando integrado usando formatação de dados em ponto flutuante, os engenheiros da planta podem ativar um filtro digital ajustável em conjunto com o filtro notch de modo normal de 60 Hz para suprimir ruídos de processo de alta frequência \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-360 citation-end-360\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParâmetro\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEspecificação (verificação oficial da ficha técnica)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModelo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-359\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1756-IT6I2\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-359 citation-end-359\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMarca\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-358\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-358 citation-end-358\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSérie\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-357\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eControlLogix I\/O\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-357 citation-end-357\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTipo de módulo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-356\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMódulo de termopar aprimorado de 6 pontos (termopar\/milivolt isolado)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-356 citation-end-356\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEntradas\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-355\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e6 termopares isolados individualmente \/ 2 entradas CJC\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-355 citation-end-355\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensores compatíveis\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-354\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eTipos de termopar B, C, D, E, J, K, L (TXK\/XK), N, R, S, T\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-354 citation-end-354\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFaixas de entrada operacionais\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-353\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e-12 a 78 mV (1,4 microvolts\/bit típico)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e-12 a 30 mV (faixa de alta resolução de 0,7 microvolts\/bit)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-353 citation-end-353\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversão A\/D\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-352\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eSigma-Delta de 16 bits\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-352 citation-end-352\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTempo de varredura de entrada do módulo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-351\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e10 ms mínimo (inteiro, milivolt)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan class=\"citation-351\"\u003e25 ms mínimo (ponto flutuante, milivolt)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e50 ms mínimo (ponto flutuante, temperatura)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-351 citation-end-351\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConsumo de corrente do backplane\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-350\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e200 mA @ 5,1 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e120 mA @ 24 VDC\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-350 citation-end-350\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePotência total do backplane\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-349\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4,6 W\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-349 citation-end-349\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDissipação de potência (máxima)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-348\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4,6 W\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-348 citation-end-348\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDissipação térmica\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-347\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e15,7 BTU\/hora\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-347 citation-end-347\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProteção contra sobretensão\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-346\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e120V AC\/DC máximo\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-346 citation-end-346\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRejeição de Modo Comum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-345\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMínimo de 160 dB, testado a 600V CA\/60 Hz com resistência diferencial de 100 Ohms\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-345 citation-end-345\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRejeição de Modo Normal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-344\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e60 dB a 60 Hz\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-344 citation-end-344\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBloco de Terminais Compatível\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-343\"\u003eSomente 1756-TBNH\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-343\"\u003e (Carcaça de Bloco de Terminais Removível de 36 pinos)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-343 citation-end-343\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTemperatura de Operação\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-342\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e0 a 60 °C (32 a 140 °F)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-342 citation-end-342\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0,28 kg (0,63 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigem\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEUA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerguntas Frequentes\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQual é a diferença crítica de hardware entre o 1756-IT6I legado e o 1756-IT6I2 aprimorado?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-341\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-341\"\u003eO 1756-IT6I2 oferece rejeição de ruído modo comum significativamente aprimorada (mínimo de 160 dB a 600V CA comparado a 120 dB a 60 VAC no módulo legado) e entrega precisão uniforme e local de alta precisão do CJC de \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\pm$\u003c\/span\u003e\u003cspan class=\"citation-341\"\u003e0,3 °C em todos os canais internos \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-341 citation-end-341\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePosso usar um bloco de terminais com mola de pressão 1756-TBSH com o 1756-IT6I2?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-340\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-340\"\u003eNão. De acordo com o manual oficial de especificações de E\/S Allen-Bradley, o módulo 1756-IT6I2 é estritamente compatível com o \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-340\"\u003eSomente 1756-TBNH\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-340\"\u003e (carcaça do bloco de terminais com grampo de gaiola) \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-340 citation-end-340\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-339\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eA variante com mola de pressão (1756-TBSH) não é suportada para este módulo aprimorado específico. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-339 citation-end-339\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eComo o módulo sinaliza uma falha do sensor de termopar de campo para o PLC?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-338\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eO 1756-IT6I2 possui lógica ativa de diagnóstico de circuito aberto. Se um fio do sensor for cortado ou queimado, o módulo detecta o circuito aberto e força uma leitura máxima positiva em escala completa dentro de 2 segundos na tabela de dados do controlador para iniciar um desligamento imediato de emergência do processo ou alerta. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-338 citation-end-338\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDiretrizes de Engenharia de Campo e Comissionamento\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-337\"\u003eInstalação Obrigatória do CJC:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-337\"\u003e O 1756-IT6I2 requer a instalação de dois sensores CJC combinados diretamente no conjunto do bloco de terminais 1756-TBNH. \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-337 citation-end-337\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOmissão desses sensores desativa o rastreamento de referência ambiente localizado, levando a um desvio catastrófico no cálculo da temperatura e valores de processo imprecisos.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-336\"\u003eProtocolos de Aterramento da Blindagem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-336\"\u003e Implemente cabos de extensão blindados de par trançado de alta qualidade designados precisamente para o seu tipo específico de calibração de termopar. Aterramento do fio de drenagem da blindagem em um único ponto apenas — preferencialmente no barramento de aterramento de cobre pesado dentro do gabinete de marshalling. Nunca passe linhas sensíveis de termopar por eletrocalhas que contenham linhas de CA de alta potência ou saídas de VFD para evitar interferência indutiva. \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-336 citation-end-336\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-335\"\u003eRemoção e Inserção Sob Energia (RIUP):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-335\"\u003e Este módulo é totalmente classificado para suportar a execução RIUP enquanto o backplane do chassi ControlLogix permanecer energizado. \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-335 citation-end-335\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eNo entanto, em classificações operacionais perigosas, não tente desconectar o bloco de terminais 1756-TBNH ou remover o módulo a menos que a energia de campo tenha sido totalmente isolada e verificada como desenergizada.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172219243,"sku":"1756-IT6I2","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-it6i2-controllogix-analog-input-module-qwegkcsp2xd_4df2632e-b084-4ee0-aa1e-d1a97c22a004.jpg?v=1766114079","url":"https:\/\/www.plcprotech.com\/pt\/products\/allen-bradley-1756-it6i2-controllogix-enhanced-thermocouple-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}