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A tabela de barramento do sistema Yokogawa frequentemente apresenta alertas de IOP OOP

2018-04-24View Original

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Se eu reinstalar o software, tudo volta ao normal. Qual é a razão disso? O que significam esses dois alertas?
Reply #22018-04-25
IOP+ e IOP- referem-se, respectivamente, ao alarme de limite superior de entrada e ao alarme de limite inferior de entrada; isso significa que, se a corrente de entrada exceder 21 mA ou for inferior a 3,9 mA, ocorre um alarme. O OOP é o alarme de curto-circuito na saída; verifique se há algum problema no barramento de campo – geralmente, são os dispositivos do barramento de campo que detectam falhas e acionam os alarmes de limite superior e inferior de saída

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