Help with Omega Infrared Temperature Sensor with USB Interface Model(s): IR-USB

Hi,
I am a beginner when it comes to labview and was wondering if the IR-USB sensor by Omega was compatible with LabVIEW and whether anyone has worked with them before in lv. I also want to find out whether the vi for this sensor is easily available. I am not too sure about which infrared temperature sensor will work best with lv.
Thanks

Hi,
It appears it isn't compatible straight away. It is designed to talk to the software provided by Omega and they don't appear to provide drivers for development in other programming languages.
Having said that it theoretically could be. It appears that although the connector is USB the device actually mimics a serial port which we can easily interact with from LabVIEW. To do this though we would need to know the commands to send and the format of the data received. This would usually be obtained from the manufacturer.
My suggestion would be to contact Omega and see if they can offer a LabVIEW driver or a programmers manual with the commands for the device. If not they may be able to recommend something that would be compatible.
Regards,
James Mc
========
CLA and cRIO Fanatic
wiresmithtech.com/blog

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CT-Test4.vi ‏19 KB
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Hello Ravens,
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Sanguigui wrote:
Hello !
I try to communicate with a LM92 temperature sensor via the NI USB-8451 by I²C protocol. I have an issue with the addressing because the 7 bits sensor address is 1001011 (A1 and A0 set to 1) but the LM92 is working in little endian (LSB first) and Labview adds the R/W bit at the end of the address so the complete frame sent to the LM92 is 1001011R/W.
I'm trying to find a solution to invert the complete frame before seending it in order to communicate with the LM92.
Labview returns the error -301742 because the address is not the wright one and i can't find how to send the adress in little endian.
I just need to read the temperature register of the sensor so i don't need to write anything in it.
Does anyone have an answer ?
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On the surface it seems like there is not VISA communication, thus the time out.
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Hi Aaron,
Here you go, this is made with a USB-8452.
When you run the code tick the power en dac enable box on.
Maybe you can help me with my problem, I want to use a fiber to sense light from a led.
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TCS3414.vi ‏63 KB

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I've submitted this twice, got some responses, but has twice been ignored into oblivion. I apologize for the reposts, but this is VERY IMPORTANT, and I've been struggling with this issue for MONTHS now dealing with countless hours of lost time trying to fix it to no avail.
I'll try to include as much detail as possible.
I use:
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3 GB memory
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When I record, I get computerized clips/pops
http://www.moogiex.com/clickpop.mp3
http://www.moogiex.com/morecackling.mp3
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When I simply monitor the sound going through the box, the sound is fine.It's something between the Box, and the computer output. My guess is some incompatibility with Logic Express or Core Audio and the AudioBox.
It is NOT the microphone or the cable (the pops occur with anything going in, 1/4", XLR, different inputs).
The clicks START with Logic Express. If there are any recording program open when Logic Express is open, and I record, I get the SAME pops.
It did this both under 10.5.6, 10.5.7, and now 10.5.8.
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When I'm recording with LE:
—There's 1.27 GB of FREE Memory while I'm recording.
—Logic Express is only using 6.7% of CPU while recording (of only one of the four processors), and about 90-95% of CPU space is free on all four processors.
—This happens on ANY audio input, and it doesn't matter how many other tracks, how long it is. I just started a brand new file and it does it.
—This happens when I use ANY input into my computer, but is STARTED by LE.
Here are my Logic Preferences
Core Audio- ENABLED
System Memory Requirement 66.0 MB
Device: AudioBox USB
I/O Buffer Size: 1024
I/O Safety Buffer- UNchecked
Recording Delay: 0 samples
Universal Track Mode- CHECKED
24 Bit Recording- CHECKED
Software Monitoring- CHECKED
Independent Monitoring Level- Checked
Process Buffer Range: Large
ReWire Behavior: Live Mode (Higher CPU Load)
Maximum Scrub Speed: Normal
Scrub Response: Normal
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AudioBox USB (plugged into my Mac Pro's front bottom port):
Product ID: 0x0301
Vendor ID: 0x194f
Version: 1.08
Speed: Up to 12 Mb/sec
Manufacturer: PreSonus Audio
Location ID: 0x00200000
Current Available (mA): 500
Current Required (mA): 500
Here's what I've tried:
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—Disabling CoreAudio, shutting LE 8 off, SHUTTING DOWN, RESTARTING, opening LE 8, enabling CoreAudio again. This also worked ONCE. It hasn't worked since.
—"CPU Saving Mode"
—I/O Buffer to 256, 512, and 1024 (default) (IMPORTANT?—speed of popping actually INCREASES with larger buffer?)
—I/O Safety Buffer checked and unchecked
—Changing Recording Delay samples
—Pretty much fiddling with any of the controls
—Disabling Airport does nothing (was previously working fine with Airport running)
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—Reset the preferences, and that has worked ONCE, and then the clicks and pops came back (albeit not as prominent, but they were still there).
—I trashed all files related to Logic and reinstalled. Worked ONCE.
—Restarting does help, but only temporarily, as soon as any pull is put on Logic, the problems return.
—Using a different USB port. I thought this was the solution because the problem shortly went away with regular use of Logic, but problem came back.
—Uninstalling Logic, Reinstalling Logic Express, same deal.
PLEASE, PLEASE, PLEASE HELP. I have a lot of money sunk into all this equipment that's practically useless with this recording issue.

Man, I feel for you on this.
I would love to see what your pops and clicks look like in your waveform. If you can take a snapshot of it and post the pic here that might help the diagnosis.
Your audio files certainly SOUNDS like you have a clocking problem. It really sounds like your CoreAudio driver/MacPro and your USB interface are not locked up in sync - as in: which is master and which is slave? I know some interfaces include a software control panel that allows you to set the status of the interface clock to slave to the computer or to be the master. It sounds like yours doesn't come with drivers but is there any control panel for this Presonus device?
Another place to check is in Applications>Utilities>Audio Midi Setup
On the left under "Properties for <your interface>" what does it say for the clock source?
Also in this panel, to the right it should have a button for "configure device". What happens when you click it? For example in my case it automatically launches my Apogee Duet Maestro control panel. In your case it might launch something similar, although I think you mention that you never installed anything, which I find strange to begin with - that this thing should just work out of the box with no driver at all.
I've struggle with w similar problem with my Apogee Duet, although nothing of this magnitude, maybe 4 or 5 clicks per 3 minutes of audio and these turn out to always be sample drops where 5-10 samples in a row are all the same in the waveform, as if my interface and computer stopped talking for a milli second. I did find that if my Apogee Duet was chosen as the default or system output in the Audio Midi Control Panel I mentioned above then the clicking was more frequent, as if choosing the audio interface for any system output caused a conflict with choosing it for Logic. I thought this was strange but you might want to investigate that further too.
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Let me know if any of this leads to anything.

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he driver is indeed a universal version.
Cool.
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Help with Omega Infrared Temperature Sensor with USB Interface Model(s): IR-USB

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