Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
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Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
修改时间 03-13-2021 02:54 AM
用的是PCI6221采集卡,CVI2013开发环境。单通道用RSE方式采集正常,把几个通道分成几个任务数据采集也正常。但是在单通道成功采集的工程上将DAQmxCreateAIVoltageChan()函数里的物理通道参数从“Dev1/ai0”改成"Dev/ai0:1",本能正常采到的数据就全变0了,尝试改了其他配置函数的一些参数,还是无效。请问有没有解决方法,实在不想分成几个任务去做
修改时间 03-30-2021 10:52 PM
好的,想和您确认几项细节。
如果您在排查期间遇到困难,我们可以在这里讨论下一步。
修改时间 04-06-2021 09:29 PM
你好,这个问题已经解决了,问题在于我直接使用库函数没有调用DAQ mxErrChk查看执行结果,所以在执行DAQReadAnalogF64时,arraySizeInSamps这个参数设置不正确导致的,谢谢你的回复
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