KnowledgeBase Articles Find solutions to common questions and issues with NI products. These articles are written by NI Application Engineers.

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Automatically Switching Between 32-Bit and 64-Bit Libraries in a LabWindows™/CVI™ Project
I have a LabWindows™/CVI™ Project, and I am building 32-bit and 64-bit versions of the application. How can I automatically switch between the 32-bit and 64-bit versions of my external libraries when I ...

How to Monitoring Task Consuming on a Linux Real Time Target?
I have an application on a Linux Real Time Controller and my CPU is consuming too much(over 70%)

How to Deploy a Bitfile Through FoE (File Over EtherCAT)?
I have a EtherCAT slave NI 9144 and I want to know how to deploy an Image on the cRIO 9082 that has already one bitfile inside.

How Can I Execute a Case of a Case Structure a Certain Number of Times Within a While Loop?
I'm using the state machine architecture, and I want to execute one state a specified number of times.

Can I Use Modbus to Communicate With a cDAQ Chassis?
I have an Ethernet cDAQ chassis. Can I use an industrial protocol such as Modbus or Ethernet/IP to communicate with my cDAQ chassis?

Programmatically Clearing a CAN, DNET or LIN Device
My program has crashed or aborted and my NI-CAN or NI-DNET object was not closed properly. When I try to restart my code I get error -1074388986.How can I clear my device?

Error -1073807192 in a VISA Custom Device in VeriStand
I am seeing an error from VISA Configure Serial Port VI that runs in the initialization state of my VeriStand Custom Device. The error code is -1073807192 VISA: (Hex 0xBFFF00A8) Access to the resource ...

Connecting Multiple Modbus Slaves to a Single Modbus Master I/O Server
Is it possible to connect a single Modbus Master I/O Server to multiple Modbus Slave devices?

Enabling License Manager Logging
My NI License Manager is crashing and I need to troubleshoot it. I need to get the logs from my client machine because NI Volume License Manager is not activating my network license correctly.

Multiple Versions of an Assembly When Adding References in Visual Studio/Measurement Studio
When using Visual Studio, I see multiple versions of the DAQmx Assemblies as shown below. Which one do I use?