Archive for 'VI Hardware' Category

How to Ignore CR LF ASCII Codes in Serial Receive with LabVIEW

By Ralph - Last updated: Monday, March 8, 2010

In one of my recent LabVIEW projects, my application needs receive the message which send by an ECU unit, and to store the message exactly as it send. And the content of the message is hex data, every byte of this message has a specific meaning to this ECU unit, and I need these data [...]

A Note about DAQ Assistant and 200279 Error in LabVIEW

By Ralph - Last updated: Friday, July 17, 2009

Just a few days ago, I created a simple LabVIEW program which read about 32 channels at 2KHz and display the data and write the data into file. The program is quite simple, so I used DAQ Assistant and Measurement File Express VI to read and write the data in one loop as the following [...]

A Few Documents about Communication between Real-time and Host PC

By Ralph - Last updated: Tuesday, March 24, 2009

I have to admit that NI’s support is very helpful. Because I need to make real-time machine to communicate with Windows based desktop PC in my recent project, I try to find a few tips in NI’s website, and I get everything I need about this problem. The following are the documents about RT communication. [...]

Decode Serial Port File Transfer Protocols from Scratch with LabVIEW and Serial Monitor

By Ralph - Last updated: Friday, April 18, 2008

Sometimes we need to write our own software to transfer files to serial port connected device, like DNC, which provides manuals and working software but no source code or the author of the software does not exist or does not support the software anymore. So, it’s a must to decode the serial transfer protocol to [...]