task error 50103 name the specified resource is reserved

Hi all.

Let me tell you my configuration:

software: Windows XP sp3, Labview 8.5 fr.

material: chassis OR cDAQ-9172 with 4 modules installed (in this order):

1 NOR-9217 (4 RTDs)

2 NOR-9217 (4 RTDs)

3 NOR-9219 (4 RTDs)

4 NOR-9219 (4 RTDs)

So, I want to acquire 16 temperatures.
In MAX v4.3, all works well.
 
As you have aspected, I got the famous 50103 error: "the specified resource is reserved. The operation could not be performed
such as specified'. «Task name: unnamedTask<9>'.»»   -highlighting of module #2.

My goal is to read these temperatures consecutively, I mean: mod1 ch0... Ch3, mod2 ch0... Ch3 and so on.
My program (vi) is like this:

In a while loop I have a stacked sequence Structure that has 4 frames, each for every DAQ Assistant asigned and configured

for these modules.
So I have: Assitant1 for mod1, mod2 Assistant2, and so on.
Assistants work well in configuration overview mod (I see 4 temperatures on each module).
But in my program, I got the error above, on module2.

I read something about this error and I understand that I can not use 2 or more resources at the same time.
I understand that a resource represents a channel on a module.
At each end of the DAQ Assistant, I have a Signal from Split (split in 4)
But with this setup and this algorithm, I guess I read all 16 channels in total consecutively, not at the same time.
Am I wrong?
How can I solve the problem?
Thank you.

You see that the resource is reserved error because you cannot create multiple tasks in doubles in your program.  Compact data acquisition with modules is essentially identical to one of our PCI/PXI data acquisition cards that you can have that one task duplicate to read from different channels.  So, what you need to do, is use a single daq Assistant and select the channels of all the modules you want to read.  I've attached a screenshot of how to select different channels.

Tags: NI Software

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    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 fr.

    material: chassis OR cDAQ-9172 with 4 modules installed (in this order):

    1 NOR-9217 (4 RTDs)

    2 NOR-9217 (4 RTDs)

    3 NOR-9219 (4 RTDs)

    4 NOR-9219 (4 RTDs)

    So, I want to acquire 16 temperatures.
    In MAX v4.3, all works well.
     
    As you have aspected, I got the famous 50103 error: "the specified resource is reserved. The operation could not be performed
    such as specified'. «Task name: unnamedTask<9>'.»»   -highlighting of module #2.

    My goal is to read these temperatures consecutively, I mean: mod1 ch0... Ch3, mod2 ch0... Ch3 and so on.
    My program (vi) is like this:

    In a while loop I have a stacked sequence Structure that has 4 frames, each for every DAQ Assistant asigned and configured

    for these modules.
    So I have: Assitant1 for mod1, mod2 Assistant2, and so on.
    Assistants work well in configuration overview mod (I see 4 temperatures on each module).
    But in my program, I got the error above, on module2.

    I read something about this error and I understand that I can not use 2 or more resources at the same time.
    I understand that a resource represents a channel on a module.
    At each end of the DAQ Assistant, I have a Signal from Split (split in 4)
    But with this setup and this algorithm, I guess I read all 16 channels in total consecutively, not at the same time.
    Am I wrong?
    How can I solve the problem? : smileysad:
    Thank you.

    Somehow, I managed to fix it.

    I did not use the wizard, I used the DAQmx Code, but it is very slow... I read all 16 times in 20 seconds, (I read each channel separately) but not everything installed, I thing this is why it takes so long.

    Y at - it tips to acquire very quickly?

    (I mean all 16 time to 1 second)

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