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连接了外部设备的DIO板卡无法通过资源测试(resource test)



硬件: Digital I/O (DIO)>>High-Speed Digital I/O>>AT-DIO-32HS

问题: 我有一块PCI-DIO-32HS高速数字I/O板卡,它通过一个接线端子盒跟一个外部设备的各种信号连接。当我不连接接线端子盒(这样就断开了信号)的时候,板卡能够在Measurement & Automation Explorer (MAX)中通过资源测试。如果我重新连接上接线端子盒并进行测试,它就会告诉我“device is not responding to the base address“。

解答: 当你按下“Test Resources”按钮,MAX会告诉你它将对一些数字信号线进行读写来完成测试。如果你点击“确定”,它将会执行测试。如果他不能读或者写这些信号线中其中任何一个,它就会报告测试失败,并且告诉你“device is not responding to the base address”。为了通过测试,板卡必需能写数字信号线,所以你连接到DIO板卡的任何外部设备不能给信号线写任何数据。

相关链接: KnowledgeBase 0RLDOE1X: PC-DIO-96 Not Responding to Base Address When Using NI-DAQ 4.9.0f2 with SC-2051 and SC-2060

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报告日期: 02/14/2002
最近更新: 07/25/2003
文档编号: 2IDCTKXH