NEITHER 9411 & NI 9402 together does not (error-50103 ("the specified resource is reserved"))

HI guys,.

I work on a project where I need to acquire data from a rotary incremental encoder and at the same time generate impulses that will be sent to a camera high speed.

I have a c9174 chassis or cDAQ and two data acquisition modules connected to the inside.

NEITHER 9411 to acquire the data of the rotary encoder

NEITHER 9402 to generate impulses and sent to the camera high speed

The problem is that when I try to do both tasks at the same time LabView gives me the following error message:

-50103 ("the specified resource is reserved")

I made individual screws for both tasks in order to check if the sensor and the DAQ modules work and there is no problem. The generation of pulses program has been verified using a digital oscilloscope and the encoder is giving the desired results.

However, they do not work when two tasks are performed simultaneously.

I tried;

(1) do the two tasks in the same VI

(2) do both tasks with their screws separate - start them at the same time or start them with a certain time delay, LabView still gives this error.

I will be highly obliged if there is one any solution to this problem.

Concerning

Najat

Hello MNMQ,

Normally this should work you can post your code?

Have you used different counter for the 9411 ctr0 and ctr2 for the 9402?

Tags: NI Software

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