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You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
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.
该问题常常由于在创建通道时,输入通道使用了默认的接线配置参数所致。 当您使用参考单端(RSE)的接线方式时,您必须在DAQ助手或DAQmx创建通道VI的输入接线端配置 输入端明确指定您的输入接线配置类型为RSE。
如果您未对该输入端进行设置,应用程序将使用差分的默认模式。USB-6008/6009 引脚将悬浮到一个大约为1.4V的电平上,因此在硬件上您连接的是RSE模式,但软件上默认使用了差分的模式,于是就产生了1.4V的偏移,参考以下KB链接来得到更多信息。
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A valid service agreement may be required, and support options vary by country.
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