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MAX에서 USB-232/4의 포트가 사라져 버림 잠시동안 프로그램을 실행하고 나면, USB-232/4 의 몇몇 포트가 MAX 에서 사라집니다. 왜 이런 현상이 발생합니까? URL: http://digital.ni.com/public.nsf/allkb/B83C3B06BD2C77FB8625727D0018532D

USB-232/4 Loses Ports In Measurement & Automation Explorer After running my program for a while, my USB-232/4 loses some of its ports in Measurement & Automation Explorer (MAX). Why is this happening? URL: http://digital.ni.com/public.nsf/allkb/6D408190FC62F3888625726000075F4C

有限功率下使用多个 USB 设备 当我插入多个 NI 或者其他第三方 USB 设备时，它们都不能正常工作。为什么会发生这种情况？ URL: http://digital.ni.com/public.nsf/allkb/00987232D105CE7648257259001DA732

Pinout of the 100-Pin SCSI Connector for the PXI-8420/16 What is the Pinout for the 100-Pin SCSI Connector for the PXI-8420/16? URL: http://digital.ni.com/public.nsf/allkb/6C5475560392521F8625724A005FD367

LabVIEW 上での NI-VISA を使った 2進数/16進数の送受信 LabVIEW内のVISA読み取り・VISA書き込み関数は有効な引数のデータ型として文字列型のみを受け付けます。しかし、私のアプリケーション内では、データを通常文字列型として表されるASCII文字列ではなく、2進数あるいは16進数として送る必要があります。元のデ■> URL: http://digital.ni.com/public.nsf/allkb/69ACF712E1D430DE862572A4000AD9F8

Send or Receive Binary / Hex Data Using NI-VISA in LabVIEW The VISA Read and VISA Write functions in LabVIEW only accept strings as valid data types. My application requires me to send and receive binary or hexadecimal values, rather than ASCII characters which would URL: http://digital.ni.com/public.nsf/allkb/6C24F2F07BC23BB78625722800710865

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