Error 50103 in LabView using NI 6363

hi everyone,
I have encountered a problem. I was trying to write a Labview program in which i will get simultaneous signal from an unsteady pressure transducer and a steady pressure transducer.(both give voltage input signals)
both will run for the same time however the frequency of aquisition is different in both cases, so i was trying to make 2 DAQ allocations..but when i run it shows the error 50103 that resource is allocated.
So is there any way that i can group all my voltage tasks in one VI but at the same time give diffrent aquisition frequency(100KHz) for unsteady transducers but an aquisition frequency of around 100Hz for the steady transducer.
Is there any way that both could be run simultaneously. Thnaks in advance.
If possible just can u share the sample VI too....
Solved!
Go to Solution.

thank you very much for your reply but if you'll clear another doubt is that whether it is not possible at all or is their some way?
I can combine all the tasks that is not a problem, but the problem is whether there is any way around the sample rate thing or we have to give same to all??

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Error -50103 occuring in one program, but not occuring in another similar program

Hello,
I'm a new user of LabView and I'm trying to figure out how a part of this programming process works. Anyway, the block diagram of the working program consists of the first two pictures (C:\Users\Labview\Pictures\errorsetupnew1.jpg -and- C:\Users\Labview\Pictures\errorsetupnew2.jpg). The parts in question are the DAQAssistant9 and DAQAssistant12 in the lower half of the diagram. When I run the program, everything goes fine.
So now I'm trying to run two other programs that both share the same properties as these two DAQAssistants, but they are in two separate programs. When I run one program, it works, but when I run the other program, Error -50103 occurs at DAQmx Control Task.vi:10. Pressing continue yields Error -50103 occuring at DAQmx Read (Analog 1D Wfm NChan NSamp).vi:3.
So my first attempt at solving it was to consolidate it into one program and run it all together, however the same error shows up. I isolated the two While loops which seem to be causing the problem into a test program (third picture) and the error occurs there as well.
My question is what is different from the program in the first two pictures that is allowing the program to run correctly and the test program (which can be extended to the program that I need to work).
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Attachments:
errorsetupnew1.jpg ‏137 KB
errorsetupnew2.jpg ‏113 KB
errortest.jpg ‏82 KB

I'm not currently at the computer with the files in question, but what if I attached those instead when I got the chance? The problem is that I don't believe I am using the same DAQ resource in two different tasks. The command line runs correctly in one, but can not run in the other even though the part giving the error is just a copy of the other program.
I'm trying to run through the previous posts about this particular error but the LabView lingo is something I'm still getting used to. Thank you for bearing with me and helping.

Error 50103 the specified resource is reserved - task name - on 4 modules

Hi all.
I'm sorry i put this post by mistake in Measurement Studio for.NET: smileyindifferent:
Let me tell you my configuration:
software:   Windows XP sp3, Labview 8.5 en.
hardware:   NI-cDAQ chassis 9172 with 4 modules installed (in this order):
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                        2. NI-9217 (4 RTDs)
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In MAX v4.3, all is working fine.
As you aspected, I have the famous error 50103: "The specified resource is reserved. The operation could not be completed
as specified". "Task name: unnamedTask<9>".   - highlighting module #2.
My goal is to read these temperatures consecutively, i mean: mod1 ch0..ch3, mod2 ch0..ch3 and so on.
My programm (vi) is like that:
In a while loop I have a Stacked Sequence Structure which has 4 frames, each for every DAQ Assistant asigned and configurated
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So i have: Assitant1 for mod1, Assistant2 for mod2, and so on.
The Assistants work well in configuration preview mod. (I see 4 temperatures on each module).
But in my programm, i got the error above, on module2.
I read something about this error and I understand that I can't use 2 or more resource in the same time.
I understand that a resource represents a channel on a module.
At each DAQ Assistant output I have a Split Signal (split in 4)
But with this configuration and this algorithm I suppose I read all 16 channels in total consecutively, not in the same time.
Am I wrong ?
How can I fix the problem ? : smileysad:
Thanks.
Solved!
Go to Solution.

Hi dsasorin,
The error that you have mentioned can be caused due to a number of reasons. There is a knowledgebase article listing several reasons for it that can be helpful. Have you created a task beforehand in MAX? Are you generating the code directly from it or are you writing the code in LabVIEW and asking it to use the channels from the task you specify? Have you tried using the lower level DAQmx VIs such as DAQmx Task name and then tried generating code from that by right-clicking and selecting Generate Code >> Configuration and Example. Hope this helps!
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Mystery Error -50103

OK, so I'm finally up to LV2009f3, doing some cDAQ work.
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I boil my code out of my program, and it works fine by itself.
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Before I added the error wire to force the strain gage module to configure AFTER the voltage module, I would get the error every time.
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Solved!
Go to Solution.
Attachments:
Error.PNG ‏30 KB
StrainSnippet.png ‏51 KB

More info:
IN the snippet I showed, running the things serially removed the problem.
In my real code, I do the CONFIG at one point, and the START at another.
IOW, in the CONFIG operation, I CREATE CHANNEL, set DAQ TIMING and set BUFFER SIZE for two modules, in parallel, getting two TASK IDs that I remember.
In the START operation, I START both tasks in parallel.
Forcing the CONFIGS to run sequentially does NOT fix the error.
Forcing the STARTS to run sequentially does NOT fix the error.
Forcing them both to run sequentially does NOT fix the error.
Even adding a 1-sec delay between STARTS does NOT fix the error.
IOW, it appears that I have to START one task before I can CONFIG the other, a state I don't understand.
Message Edited by CoastalMaineBird on 01-16-2010 10:02 AM
Message Edited by CoastalMaineBird on 01-16-2010 10:03 AM
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Hello everyone,
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Message Edited by molo511 on 10-22-2006 05:21 AM
Message Edited by molo511 on 10-22-2006 05:23 AM
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hi molo511,
I tested your program but only with simulated devices. I had to delete the wire to the timing, so that the timed while loop runs with 1kHz. Did you already try this? Because this works on my PC.
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Hello:
I'm trying out a shipped example called PID-Control Multichannel VI and
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Fax/Data: +632772-4944
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Hello LabVIEW Community,
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Massachusetts Institute of Technology
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Solved!
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Thank you very much, Mr. Knutson.
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A question related to error 50103

Hi everyone,
I meet with the famous error 50103" specified resource is reserved" in a retriggerable data acquisition on PCI6110, when I am trying to configure 1 AI input and 2 counter output.
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Error 50103 in LabView using NI 6363

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