Connecting multiple DAQs into the same computer
Hi, Im working in a project where i wil need to connect more than 300 digital signs with a USB port.I was looking for options, and found two that i liked, but i dont know if LabView will have troubles...
View Articleusb 8451
Hello. I tried using the USB-8451 Test Panel. I want to swith the DIO lines, but only BIT 0 works. None of the others respond. In fact, I tried using them as inputs, but they still don't work. These...
View ArticleUsing NI USB-6501 in .NET
Please could someone help me with using a NI USB-6501 from c# .net? I just need to implement simple digital IO from an existing WPF C# application. I do not require NI Measurement Studio. I understand...
View ArticleNI USB-6210 Monitoring Digital input
Hi,I am trying to monitor voltage levels of slipring assembly in a stepper motor using USB-6210 with Labview.Currently I have 4 voltage probes connected to the digital Inputs (PFI0,PFI1,PFI2,PFI3) of...
View ArticleClik here to view.
Can i use PCIe-6535B/36B/37B onboard connector to reach DIO pins?
Hi, I will use PCIe DIO boards. I didn't find any document about this connector.
View ArticleGetting time stamp value for Digital Input data when configured for change...
Hi, I am using PCI 6528 card. I need to acquire Digital input from this card whenever there is change in value. i.e from 0 to 1 or 1 to 0.I need to plot all these data on graph along with its timestamp...
View ArticleNI 6009 control solenoid using distance counter
hi! I am working on a system wherein i have a distance measuring counter that will trigger the solenoid for impact then the microphone will capture and analyze the impact signal. The solenoid output...
View ArticleWhy the digital signal don't get out from the usb-6009?
Hello,i´m starting with labview and NI USB-6009 at work. I have to generate from a txt file (with 0 and 1) a digital signal with variable frequency typ. 1.2Mhz.. The level of the 1 (the amplitud: Vcc)...
View ArticleBNC-2121 connector, how to define the user-defined connectors
Dear all, We are doing fMRI neuroimaging with stimulus (Presentation, NeuroBehavioral Systems (NBS)). We have three signals (BNC cables) coming to BNC-2121 but we can get only counter 0 and counter 1...
View Articlechanging 6501 port-pin assignments
I need to configure my USB-6501 such that the port channels connect to pins other than the factory configuration. For example, I want pin 18 to output P0.5 instead of P0.1. Is this possible, and if...
View ArticleHow to I connect Sourcing digital output from My Interface Board to NI USB...
When I connect an input to DI channel of USB 6501 card from my board which has sourcing Output t, iIn the Off state it is not pulled down properly. The volatge on the port in is 2.1V -2.5V based on...
View ArticleHSDIO - Deterministic memory writing while generating
Hello, I am using an HSDIO card (PXI 6542) to drive a device (DUT) with a predefined fixed length continuously running waveform.That DUT might actually benefit from some dynamic changes in the digital...
View ArticleClik here to view.
HSDIO - How are errors interpreted? Example HSDIO Hardware Compare - Error...
How are the errors interpreted?I see the 2 arrays listed, but I don't see the coorelation between the errors found in the example files.Are the two arrays indexed to the same error index? We are using...
View ArticlePartial Switching Outputs
Our customer has a 6527 I/O card running via a SCB100 interface. One of the outputs is wired to a door interlock solenoid. Using the instructions Port 3:3, HiZ / Port 3:3,LoZ in his sequence we are...
View ArticleRS232
Hello everyone, I want toestablish communicationbetween acameraandCMUcam4Labview.This one isconnectedviaRS232to a USB portandappearsoncom3.I cancommunicatewithout pbthankstoHyperterminal(themikroCand...
View Articleoutput a digital signal with 6533 from a txt file
Hello,I start with labview and I am using the PCI-DIO-32HS (6533) to output a digital signal.I have to generate a digital signal with the 0-1 values from a txt file (I have attached a typical txt...
View Articleusb 6501: 200 Hz noise
Hi I use the NI USB 6501 device to send trigger signals to a EEG recording system (Nicolet C64 amplifier). As soon as I connect the NI-device to the EEG system (analog Input channel 1), I get very...
View ArticleSampling 500kHz 8 digital input with USB-6341/6343
I'm looking for a device that can be connected with an FPGA to sample 8 digital input at positive edge of an external clock running at 500kHz. My question is, will USB-6341 or 6343 be capable of doing...
View ArticleUsing DIOx line on NI-8452 as SPI_DATA (SPI_MOSI)
Hi, Newbie to labview. Would like to know if one of DIO lines on the NI-8452 can be configured as SPI_DATA (SPI_MOSI). Synchronizing it with the SPI_CLK.I’m using SPI_CLK as the RCLK for 74hc595....
View ArticleBlue screen in Matlab with NI 6537b
Hello I have a PCIe 6537b card I use Matlab (tried all combinations - 2014a or 2013a, 64 bit or 32 bit)I use the latest drivers from NI web siteI work with desktop windows 7 I am trying to capture data...
View Article