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在LabVIEW中使用NI-VISA接收和发送二进制/十六进制数据 URL: http://digital.ni.com/public.nsf/allkb/13435A270D30ACEE8625731B002CD904

不能和我的串行仪器通信 我正在和我的串行仪器通信。 在 HyperTerminal 输入指令时， 该装置正确地产生了回应。 但当我在 LabVIEW 输入相同的指令时， 我会得到不正确的回应或是 timeout。为什么我的装置可以在 HyperTerminal 使用， 却不能在 LabVIEW 使用? 即使我用 'LabVIEW Serial' 的范例也不能行 URL: http://digital.ni.com/public.nsf/allkb/8224EC54DF27BBB5482572270013B0BE

843x系列硬件支持的波特率 我正在看NI PCI/PXI 843x设备的产品页，产品页上列出了设备最大的波特率是3Mb/s。可是在这个产品的用户手册/规格说明书中，最大波特率只有2Mb/s。哪份材料是正确的？ URL: http://digital.ni.com/public.nsf/allkb/DE903C4F037C788548257212001F37AB

How do I Connect and Configure a 2-Wire Device With RS-485 I have a 2-wire serial device (RS-232) that I want to connect to an RS-485 serial port. Since RS-485 communication is usually 4-wire, how do I connect it and how do I configure Windows to communicate with the device? URL: http://digital.ni.com/public.nsf/allkb/3EB322DAEAACB19D862571F500021C00

¿Cómo Conecto y Configuro un Dispositivo de 2-Cables Con RS-485? Tengo un dispositivo serial de 2-cables (RS-232) que quiero conectar a un puerto serial RS-485. Dado que la comunicación en RS-485 usualmente es de 4-cables, ¿cómo conecto y configuro Windows para comunicarme con el dispositivo? URL: http://digital.ni.com/public.nsf/allkb/1C172D7BDC8315DA86257461005CB4C6

Preventing LabVIEW from Continuously Polling the Serial Port When I read from my serial port, LabVIEW continuously polls for data until the data is available on the port. This increases my processor and resource usage and prevents other loops in my program from executing smoothly. How can I prevent this? URL: http://digital.ni.com/public.nsf/allkb/179E61F87CF8B340862571EA0037CFA3

Pinout For The 68-pin SCSI Connector Used on National Instruments Serial Boards Where can I find the pinout for the 68-pin SCSI connector used on National Instruments serial boards? URL: http://digital.ni.com/public.nsf/allkb/0044E335E0E17923862571E3003F1878

RS-232CポートでRTSやDTRなどのラインを制御する 標準的でないシリアル通信を行う機器と232Cによる通信を行おうとしています。RTSラインを任意にHigh、もしくはLowにしたいのですが、どうすれば良いですか？ URL: http://digital.ni.com/public.nsf/allkb/4F2547005DDA3C8C862571E30023F358

Runtime Error 28: Out Of Stack Space With Serial Communication I have two PCI-232/16 devices in one computer. I would like to communicate to all 32 ports using Visual Basic 6 and MSComm. Why do I get Runtime Error 28: Out of Stack Space when trying to access ports greater than 16? URL: http://digital.ni.com/public.nsf/allkb/FE1960ABD174292B862571E1007926EE

ENET Serial Device Does Not Work After Changing IP Address I recently changed the IP address of my ENET Serial device and now I cannot use the serial ports. How can I fix this? URL: http://digital.ni.com/public.nsf/allkb/251B7A0B6D98D0FA862571DA006B19FB