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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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NI-DAQmx C Function Reference表明计数器0和计数器1的输出端能被用于作为DAQmx数字边沿触发开始触发的源这个函数:DAQmxCfgDigEdgeStartTrig (TaskHandle taskHandle, const char triggerSource[], int32 triggerEdge):
但M系列板卡使用计数器0作为源却会导致错误89120:“设备上找不到指定的端口”。在E系列板卡中,使用计数器0输出作为触发源却正常工作。
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