DAQ Asst Connection Diagram & Error 50103

Hello LabVIEW Community,
I am currently trying to integrate two different VIs which both require an AIGND on my SCB-100.
The SCB-100 has two separate AIGNDs (pinouts 1 and 2), but in the two DAQ Asst VIs I am using, the connection diagram for both asks for pinout 2.
I think this is leading to a Error 50103 about reserved resources.
Is there any way to switch one of the DAQ Assts' AIGND to pinout 1?
Thank you all for your help.
Sincerely,
Sincerely,
Ethan A. Klein
SB Candidate in Chemistry & Physics
Massachusetts Institute of Technology
Class of 2015
Solved!
Go to Solution.

Thank you very much, Mr. Knutson.
I didn't do a thorough search. I assumed it had something to do with my two DAQ Assistants, and figured it was that they shared a pinout as the error said something about resources being reserved.
Sincerely,
Sincerely,
Ethan A. Klein
SB Candidate in Chemistry & Physics
Massachusetts Institute of Technology
Class of 2015

Similar Messages

DAQ Assistant Connection Diagram has different pinnouts than on the SCC-68

When looking at the Connection Diagram on LabVIEW 8.2.1 (from DAQ Assistant) The diagram shows pins 34, 66, 31, and 63 ABOVE pins 68, 33, 65 & 30. However, when looking at the physical layout on the SCC-68, these pins are transposed. That is to say that pins 68, 33, 65 & 30 are ABOVE 34, 66, 31, and 63 respectively.
Is this an error? If not, what is the logic behind this?

Hi RVallieu,
I think the disprepancies in the connection diagram that you are seeing are related to the type of connection you want to do. For instance, if you are doing differential measurements (good for rejecting Common Mode Noise Voltage), you would connect the positive lead to ai4 (pin 28) and the negative to ai12 (pin 61). On the other hand, if you are doing Single-Ended Ground Referenced (RSE) using channel 4, you would connect the positive lead to ai4 (pin 28) and the negative to ai gnd (pin 64). Whichever of these measurements that you choose, make sure that you configure the measurement type in MAX when you set up your task or in the VIs in LabVIEW under terminal configuration. Here is a link to a document that describes the differences in these measurement types. Table 1 breaks the information down into Signal Type and Input Configuration.
I opened up both the Device Pinouts in MAX for the 6221 and the manual for the SCC-68 (page 39) and compared the pins and they seem to correlate. Since the SCC-68 works with multiple M and E series DAQ devices, they should be the same.
As far as your measurement value is concerned, Ben has a good point that you may not have configured the accessory correctly in MAX. To do this, right click on your 6221 device and go to properties. Then in the accessory tab, you can select the SCC-68. This knowlegdebase describes the differences between SCB-68 and SCC-68 in case you were wondering. Hopefully this information will help!
Regards,
Vanessa L.
Applications Engineer
National Instruments

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).
I'm new, so please let me know how many beginner mistakes I might be making here!
Thanks
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.

Application on Win7 64bit throws error -50103, but not on Win XP 32bit host

LabVIEW application newly installed on Win7 64bit host throws error -50103.
Same aplication deployed from same installation disk on Win XP 32bit host have been working for 2 years withourt problem.
I did have a problem with importing the MAX configuration from the Win XP 32bit machine to the Win 7 64bit machine.
My solution was to install all the drivers from my most recent Devaloper Suite 2012 DVD.
After that the executable did run fine, except when the variuos DAq tasks are executed for the second time in a loop it thows error -50103.
If i click ok on the erro popup, everything else works fine until in the next pass of the loop I get the same error.
Why would I get error on one host but not on the other one?
How do I fix this?
Scientia est potentia!

A common error that you can find numerous posts about with a search
http://forums.ni.com/t5/forums/searchpage/tab/message?filter=location&location=forum-board%3A170&q=5...

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):
                        1. NI-9217 (4 RTDs)
                        2. NI-9217 (4 RTDs)
                        3. NI-9219 (4 RTDs)
                        4. NI-9219 (4 RTDs)
So, i want to aquire 16 temperatures.
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
for those modules.
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!
Ipshita C.
National Instruments
Applications Engineer

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.
Four tasks are involved:
1. Use the freqout to generate one continuous pulse train
2. Divide the frequency of this pulse train and generate a new continuous pulse train as the trigger
3. Generate a finite pulse train after every falling edge of the trigger. This finite pulse train is connected to AI sample clock.
4. Continuously acquire data
In this application, how could I configure all the ports and avoid the 50103 error?
Thank you all.
Hall

HI Hall,
I think you can get this to work by combining the first two tasks that you have. You can use freqout to divide down the pulse train you are generating. As I am seeing it know you have two task, 1 generating a pulse train from freqout, and the other dividing down that pulse train with a counter. YOu should be able to just use freqout for the pulse train. Since you are going to be using a finite pulse train, which reserves 2 counters, you need to make sure you are not using another counter for the continuous pulse train. Let me know if I misunderstood how your application was set up. Have a great day!
Best Regards,
Adam G
National Instruments
Applications Engineer

Error -50103 the specified resource is reserved

I installed DAQ 8.0, and loaded the example AcqIntClk and ir ran with a simulated device PCIMIO16XE10. Then I ran a measurement studio example in which I had to create a task using MAX. That ran okay. Then I deleted the task I had created, and returned to AcqIntClk and ran it again. This time I get the error when I press Start
error -50103 the specified resource is reserved
Please advise what to do?
Thnaks,
Saroj

Hi saroj-
Let's consolidate this discussion here.
Thanks-
Tom W
National Instruments

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??

Mystery Error -50103

OK, so I'm finally up to LV2009f3, doing some cDAQ work.
I'm adding code for devices, one at a time and checking them out.
(I'm using simulated chassis, and simulated devices - thank you, NI, for this capability!)
When I add the strain gage (NI-9237). I start getting an error (-50103 - resource is reserved).
MAX says the board works fine, and gives me the simulated sinewave.
I boil my code out of my program, and it works fine by itself.
But when I try to do BOTH module 4 (9201) and module 6 (9237), I get the error.
The attached snippet (I like snippets, BTW) shows the code.
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.
But, sometimes it would occur on the VOLTAGE module, and sometimes on the STRAIN module.
I could run it several times, and the error would come from one or the other, but it would occur every time.
So what are the rules here? They are completely different modules, yet something is temporarily tied up when I try to configure them in parallel.
It's some sort of race, judging by the error happening on one or the other. One chain is claiming this "resource", and the other finds it busy and complains.
Yet the error is attributed to the START TASK vi.
What am I missing? What are the rules about this?
Steve Bird
Culverson Software - Elegant software that is a pleasure to use.
Culverson.com
Blog for (mostly LabVIEW) programmers: Tips And Tricks
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
Steve Bird
Culverson Software - Elegant software that is a pleasure to use.
Culverson.com
Blog for (mostly LabVIEW) programmers: Tips And Tricks
Attachments:
Config.PNG ‏29 KB
Start.PNG ‏16 KB

Problem: Failed to open the connection. Error Code 0x800002F4 (-2147482892)

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DAQ Asst Connection Diagram & Error 50103

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