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Problema de perda do sinal de resposta da válvula programável

2020-03-17View Original

Thread Content

O interruptor de feedback local utiliza o modelo Westlock (sinal NAMUR), e é acoplado a cabos à prova de explosão. Ele se conecta ao barreira de segurança da marca P+F, modelo KCD2-SR2-EX2. Durante a operação normal, quando a válvula está no posição correta, o sistema não consegue receber o sinal de feedback. Qual é a razão disso? Tem relação com o cabo à prova de explosão opcional?

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