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Global virtual NI DAQmx channel alternates

Hi,

for my current project i have to work with Global virtual NI DAQmx channel in order to pass some values (for example boolean). While implementing this, i found out that the port alternates extremely fast between 0 and 1. I also found out that the reason must be the simulated device i generated for this project. Where could be the reason for this?
I defined the DAQmx channels on NI MAX.

 

Best regards

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@mihamm wrote:

Hi,

for my current project i have to work with Global virtual NI DAQmx channel in order to pass some values (for example boolean). While implementing this, i found out that the port alternates extremely fast between 0 and 1. I also found out that the reason must be the simulated device i generated for this project. Where could be the reason for this?
I defined the DAQmx channels on NI MAX.

 

Best regards


When using a simulated DAQ device, the digital inputs just generate a counting pattern that increments on every read.  In the case of a single line, that will show up as a toggle.


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Thank you very much for your answer.

Your description would also fit my problem. Do you know if you can make settings so that this counting pattern no longer occurs?

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Unfortunately not.  Go give this idea a Kudos: Interactive DAQmx simulation interface.  NI really needs to get that implemented.


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ok, thank you... I gave the idea a Kudos.

Do you maybe know any alternatives, implementing something like global variables using a PXI system. 

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