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NI 9481继电器模块是常开还是常闭？ 我有一个NI 8481 4通道继电器，规格说明书中提到这款继电器的类型为单刀单掷（SPST），然而说明书没有指出这款继电器是常开还是常闭。 URL: http://digital.ni.com/public.nsf/allkb/024B595395C194784825737800286910

How Do I Check the Status of the Relays on My NI 948x Compact DAQ Relay Module? I am using an NI 948x relay module with Compact DAQ. I know that I can use the DAQmx Write VI to open and close the relays, as explained in KnowledgeBase 44LAPTNP: What Functions Do I Use to Operate My URL: http://digital.ni.com/public.nsf/allkb/65A3DB0767ED26478625734C007271C8

Can I Use Different Sample Clocks for Correlated DI and DO? On M-Series and CompactDAQ multifunction data acquisition boards, both Digital Input (DI) and Digital Output (DO) tasks can be correlated to an external signal. Can I use a different external signal for the DI and DO tasks? URL: http://digital.ni.com/public.nsf/allkb/79608CDF0C0D28AA862573400042D4F8

我可以在 Correlated DI/DO 使用不同的 Sample Clock 嗎？ M 系列與 CompactDAQ 多功能資料擷取卡的數位輸入〈DI〉與數位輸出〈DO〉task 都可以將 sample clock 設定與外接 clock 信號相關聯〈correlated〉。我可以為 DI 與 DO 設定不同的外接 clock 信號嗎？ URL: http://digital.ni.com/public.nsf/allkb/4A749CBBF015DF3E8625734900388364

Is the NI 9481 Relay Module Normally Open or Normally Closed? I have the NI 9481 4-Channel Relay and in the specifications it says the relay type is single pole single throw (SPST), however it does not specify if the relays are normally open or normally closed. URL: http://digital.ni.com/public.nsf/allkb/8725AFE7FC1067968625733A005CA483

Can the NI 9401 be Configured for Bidirectional Digital Signals? I know that the NI 9401 has eight digital lines. Can this module be used for counter inputs, digital inputs and digital outputs simultaneously? URL: http://digital.ni.com/public.nsf/allkb/4828F9A252F081758625731E007D85F9

Troubleshooting Digital Output and Pulse Generation on the NI 9472/9474 I can't seem to drive the digital outputs low on my NI 9472/9474. I also can't seem to generate a correct TTL pulse train on my NI 9472/9474, what could be the problem? URL: http://digital.ni.com/public.nsf/allkb/C9019BC9F6544005862572BF0059B532

我应该用什么函数操作Compact DAQ继电器模块？ 我有一个cDAQ继电器模块，想知道该用什么函数去操作它。我有了DAQmx开关模块函数，可以使用这些函数操作cDAQ继电器模块吗？ URL: http://digital.ni.com/public.nsf/allkb/794F2A0A74DB7CED482572B3003D17C3

配置NI 9401模块为输出 我使用cRIO底座上的NI 9401模块作为数字输出，并编译了这个数字输出的例子VI。这个VI运行起来似乎没有错误，但是我测量不到数字IO通道的任何输出。我如何才能配置9401为数字输出？ URL: http://digital.ni.com/public.nsf/allkb/5411BE95542275774825725100356B65

What Functions Do I Use to Operate My Compact DAQ Relay Module? I have a cDAQ relay module and want to know what functions I can use with it. I have DAQmx Switches functions. Can I use them with my module? URL: http://digital.ni.com/public.nsf/allkb/515BD99CD2AF31EA8625724C0061F342