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["電動弁に故障開や故障閉という说法存在吗???",,"電動弁に故障開や故障閉という说法存在吗??? 如果存在,譬如在没电状态下作为故障时,能实现故障开或故障关吗???",,"電動弁好像没有 电磁阀有。",,"不行!!! 電動弁的开关执行机构是电机,通过正反转实现开、关。",,"電動弁都有手动执行机构吧?".,"電動弁不能。 電動弁一般都是独立电源 22V或382V。 如果没电了 就只能手动打开或关闭。 故障点、开关状态点、开关指令点 都是4-2ma的信号值。"]

2017-03-27View Original

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请问电动阀 存在故障开或者故障关的说法吗??? 如果存在,譬如没电状态下作为故障时,能实现故障开或故障关吗??
Reply #22017-03-27
电动阀好像没有 电磁阀有
Reply #32017-03-27
不能!!! 电动阀开关的执行机构就是电机,通过正反转实现开、关。
Reply #42017-03-28
电动阀都有手动执行机构吧
Reply #52017-03-28
电动阀 不能 电动阀一般都是独立电源 220V或380V 如果没电了 就只能手动打开或关闭。 故障点、开关状态点、开关指令点 都是4-20ma的信号值。

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