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USB 232/4 Device Shuts Down My USB 232/4 device works for a while and suddenly turns off and then back on after a couple of minutes. I have already checked the USB power settings in Device Manager to disable allowing to turn off device for power savings. I also verified that only one device is connected to one USB root URL: http://digital.ni.com/public.nsf/allkb/9D3890BE49FF5D43862573A7006E5612

I Can't See My FTDI - FT2232C USB Device in MAX? I am trying to communicate to my USB FT2232C device using LabVIEW. I can see it in Device Manager but cannot see it in MAX. URL: http://digital.ni.com/public.nsf/allkb/8D86BCD37B16697D8625739C0037A933

Receiving Error when accessing properties of a Serial Device through a USB Serial Adapter I’m using a third party serial device via a third party USB Serial adapter. I am able to configure and communicate with it under hyper-terminal. When testing the device in MAX, I am unable to change items such as the Baud Rate and Parity Bits. The error I receive is 0xBFFF0072. URL: http://digital.ni.com/public.nsf/allkb/D42EB343B549A27A8625734400574D8A

Why Does My GPIB-USB-HS Device Prompt the Add Hardware Wizard Each Time I Plug it in? Every time I unplug my GPIB-USB-HS device and plug it back in, the Add Hardware Wizard pops up and re-installs the drivers. Each time this happens I lose all of the device configuration settings. How can I avoid this? URL: http://digital.ni.com/public.nsf/allkb/13B27DA885E3F3D2862572CA0065FF70

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

How Can I Manually Connect Newly Found Hardware to its Driver? The Found New Hardware Wizard comes up when my computer starts, but when I select the Install the software automatically option, the wizard seems to hang. The magnifying glass just keeps spinning. How do I connect the hardware to the driver? URL: http://digital.ni.com/public.nsf/allkb/F3A23D5DE721584D8625723E005F510A

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

Can VISA Read be used to read USB Interrupt Data? I am reading data in USB Raw mode using interrupts. Can I use VISA read on the block diagram to get the data from the interrupt pipe? URL: http://digital.ni.com/public.nsf/allkb/D38E5A65DA54C9A2862571E900810FEA