I want to connect my serial instrument to my computer’s built-​in serial port or to an NI serial interface device. Should I use a null modem or straight through serial cable?

I recently installed LabVIEW or updated my NI-​DAQmx version. I may already be able to see my DAQ device or module in Windows Device Manager or NI Measurement & Automation Explorer (MAX) under Devices and ...

I am developing an application in LabVIEW on a Windows machine that requires large amounts of data to be stored in memory. However, after allocating some certain amount of memory, LabVIEW crashes. Is there ...

I want to use an NI software product that is licensed through NI Volume License Manager (VLM). Whenever I launch the product, when attempting to connect to the license server I get the following message: ...

I would like to use Direct Memory Access (DMA) to transfer data from my FPGA target to my host (or vice versa), but I am not sure how many DMA Channels or FIFOs are on my FPGA target. How can I find out ...

The SECS (SEMI Equipment Communications Standard) defines a communication interface for the exchange of messages between semiconductor processing equipment and a host. Can LabVIEW communicate through this ...

Why do some IEPE and ICP sensors specify Excitation Voltage, and how does that relate to the Compliance Voltage specification for National Instruments’ IEPE products like the NI 4461, NI 4462, NI 4464, ...

When I try to activate my NI software, I receive the following error:The activation code you provided cannot be used. Its expiration date is either expired or earlier than the current expiration date of ...

What are the GPIB cabling limitations according to IEEE 488 specifications? Also, do the National Instruments 8 meter GPIB cables exceed these limitations?

I have a bridge-​based sensor and its rated output is given in mV/​V. What does this mean? How can I make sure that my bridge sensor voltage output level is within the range of the DAQ device that I am using? ...

My cDAQ moduleshows up as anUnsupported Modulein NI Measurement and Automation Explorer (NI MAX). I upgraded NI MAX, but my module is still showing as Unsupported Module in NI MAX. When selecting the module ...

Getting an error with VeriStand custom devices Adding custom device in System Explorer results in error

I have an Ethernet cDAQ chassis connected to my subnet and would like to access some modules from one computer and other modules from another computer at the same time. Is there a way to do this? ​Can I ...

My NI USB device will occasionally lose connection to the computer, and I have to disconnect and then reconnect it before it will work. ​Why does this happen, and how can I get Windows to re-​detect the ...

When I open the Services utility in Windows and try to start the NI PSP Service, I get the following error: ​ ​Error 1069: The service did not start due to logon failure. ​ ​How can I resolve this?

How do I make LabVIEW use code built in my Anaconda (Conda) Python Environment?​I've used Python Integration Toolkit by Enthought which gives you the option, but the LabVIEW-​native Python Nodeseems to use ...

This article explains the steps to followto configure a Real-​Time controller's time zone and include three different approaches to change the timezone depending on the application and the developer implementations ...

I created a .NET assembly using the .NET Framework 2.0, 3.0 or 3.5, but when I try to load the assembly in a Constructor Node, I get the message: The selected file is not a .NET assembly, type library, ...

I'm using a USB serial device like the USB-232. When I plug in my device, I always get the same COM ports assigned to it. If I plug in a second USB serial device, it is assigned different ports, even if ...

I have both NI-​VISA and Keysight IO Libraries Suite installed on my machine, and occasionally NI Measurement & Automation Explorer (NI MAX) shows a VISA Error with a yellow bang under Devices and Interfaces ...

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