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请教数据采集问题

我用LABVIEW编的数据采集程序,当先运行中级采集程序后,再运行DAQ助手时就提示DAQ助手出错,提示代码为50103,请问那位前辈可以指点一下?
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1,前一次采集没有正常结束.没有择放Buffer
2,第二次采集没有初始化,
3,第二产采集设置错误.
 
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在max里reset一下device, 参看:

Error code: - 50103
Description:
The specified resource is reserved. The operation was completed by ignoring or overriding the specified resource.
Possible cause: The device is in use by another program/VI, or a previous DAQ task did not release the device resources.
Solutions: Make sure you have freed the device for use by another program or task instance. For example, you might not have wired a stop condition to a DAQ Assistant Express VI configured for single point acquisition.

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