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修改时间 05-25-2009 08:28 AM
我觉得有两点可以注意一下：
1.读取前加一个延时，以保证下位机准备好数据后控制器再读取；
2.可以在读取前通过Visa属性节点获取Number of Bytes at Serial Port参数，将其作为读取字节数，应该就不会出现楼上说的情况
修改时间 07-10-2017 09:59 PM
延时已经添加至20s，根据通信协议设置为两个字节，还是不行啊
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