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What is the Address of My PCI-485/PXI-485 Card? I have a serial 485 card. There is no documentation stating its address or how to change it. What is the address of my 485 ports? URL: http://digital.ni.com/public.nsf/allkb/778804C0AD3F8EA586256F89008268BE

如何定址我的 PCI-485/PXI-485卡片? 我有一張 serial 485卡片。並沒有文件提到如何設定或改變其位址。如何得知485接埠的位址呢？ URL: http://digital.ni.com/public.nsf/allkb/1C757FEC708DF3C286256F9E0012A4DA

What is the Output Voltage of My Parallel Port? Problem: What is the output voltage of my parallel port? Solution: Most newer parallel ports use TTL levels. Thus, TTL standards permit a logic high to be between 2.4V to 5V. A couple of test computers generated 3.3V when a pin was driven high (logic 1) and about 0V when driven low (logic 0). URL: http://digital.ni.com/public.nsf/allkb/7B60BE32BDCB09EE86256F470068F0E0

我的平行阜(Parallel Port)的輸出電壓是多少？ 問題: 我的平行阜(Parallel Port)的輸出電壓是多少？ 解答: M一般新的平行阜使用TTL 的標準.高電位為2.4V 到 5V. 一些測試電腦輸出3.3V 當高電位時 (logic 1) 而輸出 0V當低電位時 (logic 0). URL: http://digital.ni.com/public.nsf/allkb/29B3995473167E7986256F5E002F246E

What Is the 10 Pin Connector for the PCI-232/4 Commonly Referred To As? I am trying to build a custom cable for my PCI-232/4 or PCI-485/4 device. Your catalog shows that I need to use a 10 pin connector for this purpose. But I could not find information about the pins in the catalog. Is there a common industrial equivalent for this connector or is it simply the RJ 45 URL: http://digital.ni.com/public.nsf/allkb/6B82ECD1B09152CF86256F3D007074F0

A Quick Comparison of RS-232, RS-422, and RS-485 Serial Communication Interfaces What are the primary differences between RS-232, RS-422, and RS-485 serial interfaces? URL: http://digital.ni.com/public.nsf/allkb/2CABB3FD5CAF2F8686256F1D005AD0CD

RS-232, RS-422, RS-485 시리얼 통신의 비교 RS-232, RS-422, RS-485 시리얼 통신의 주요 차이점은 무엇입니까? URL: http://digital.ni.com/public.nsf/allkb/8D351AE3129CFE6986256F8800496166

RS-232, RS-422,和 RS-485序列通訊界面的快速比較 RS-232, RS-422, 和RS-485這些序列埠介面有什麼基本的不同? URL: http://digital.ni.com/public.nsf/allkb/23DCB9A712330BCD862571550030F4ED

Una Comparación Rápida entre las Interfaces Seriales RS-232, RS-422 y RS-485 ¿Cuáles son las principales diferencias entre las interfaces seriales RS-232, RS-422 y RS-485? URL: http://digital.ni.com/public.nsf/allkb/9E9798ED771B0F3486257260000F3240

Can I Use Non-Standard Baud Rates Under LabVIEW With Serial Boards? I am using a PCI Serial Board from a 3rd Party manufacturer and am able to specify very specific baud rates when using it under Visual C++. How can I use non-standard baud rates in LabVIEW 7.0 with NI-VISA? URL: http://digital.ni.com/public.nsf/allkb/5D2B2F533CFD001586256EFC00823580