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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
01-16-2006 11:28 AM
01-17-2006 02:35 AM
What exactly is your application?
'send a square wave over LAN' does not describe your objective clearly.
plz explain
01-17-2006 03:23 AM
01-17-2006 06:21 AM
You want to generate a Square wave on one of the analog outputs of a DAQ card placed in a PC, and control this process using another PC in the LAN
did i get your query right?
01-17-2006 07:39 AM
Well not exactly, I think I wrote the question in a wrong way, well there is no DAQ card in my PC and I dont want to control any process,
I just want to send a square wave to the PXI-6259 M series board, well as I told earlier I am new to Labview , so what I wanted to know Exactly is:
Is the procedure to send a signal to a device directly connected to the computer and the device connected to Lan different ?
and can u give me some instructions on how to communicate.
Thank you .
Munir
01-17-2006 06:06 PM
Hi Munir,
Sending a square wave to a card on a local machine vs. a card over a LAN connection require different procedures. If you want to send the signal to the card on a local machine, then you can simply use one of the shipping examples. However, if you want to send the square wave to a card over a LAN connection, then you must have DAQmx 8.0 and use OPC. Here are the links to a knowledgebase and a tutorial with more information about this:
OPC for Data Acquisition Using NI-DAQmx 8
Regards,
Hal L.
01-18-2006 06:56 AM
01-18-2006 11:01 AM
01-19-2006 09:33 AM
01-19-2006 05:42 PM
Hi Munir,
It sounds like you are close to completing your application. For your first two questions: are you on the host or client computer when performing these operations? I need more precise information on your procedure. Screenshots would be helpful.
You will be able to create a program on the client computer to output voltages to the card on the host computer. Simply follow the steps in the knowledgebase to setup the host computer. Create a shared variable on the client computer and bind it to shared global virtual channel on the network. You can write values to the variable on the client computer and they will be updated on the host computer.
Regards,
Hal L.