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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 09-27-2023 08:23 AM
我用cDAQ-9178和NI9220,采用浮动差分连接,采集得到的电压信号波动很大,比如输入+5V但采集到的电压波动在3.5v到5v之间跳动,如下图。
请问是什么原因,怎么解决,谢谢。
已解决! 转到解答。
修改时间 09-27-2023 08:53 AM
根据信号源的种类,可能需要连接偏置电阻。
Field Wiring and Noise Considerations for Analog Signals
09-27-2023 09:37 AM - 编辑日期 09-27-2023 09:51 AM
采用这个连接,问题解决了,谢谢。
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