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修改时间 09-12-2016 01:58 AM
我在跑一个简单的 NI switch程序时，发现要闭合开关用niSwitch connect channels.vi没有问题，但是要断开开关用niSwitch Disconnect channels.vi就弹出错误，如图。程序也仅仅只是把connect的vi替换成了disconnect。不吝赐教。
修改时间 09-12-2016 08:13 PM
因为你要断开的两个触点间本身就是处于断开状态的，所以不能再断开了，如果强行断开就会报错，因此建议在连接或者断开之前，使用状态查询功能，查询要操作的两个触点间的状态，再进行操作。
修改时间 09-14-2016 08:46 AM
我后来试了下NIswitch relay control那个模块，是可以close继电器的，不必考虑继电器之前是开还是关，这算不算NI 的bug？
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