using two counters independently

[mpsarma1]

while i use counter 0 for frequency generation, i want to use the other counter of USB 6211 (counter 1) for generating a single pulse of say 10 mS synched to counter 0 as i have two counter channels.

i get an error message as mentioned in the block dia of the vi enclosed.

any suggestion!

thanks

m p sarma

[Shreyas]

Hi,

    Possible cause:  There are several cases where this error can occur.  A common case is when the device is in use by another program/VI, or a previous DAQ task did not release the device resources.
Solutions:  Make sure you have freed the device for use by another program or task instance. For example, you might not have wired a stop condition to a DAQ Assistant Express VI configured for single point acquisition.

Since you want to synchronize two channels on DAQ check out the tutorial which will guide you to do the same:

https://www.ni.com/en/support/documentation/supplemental/21/m-series-synchronization-with-labview-an...

https://www.ni.com/en/support/documentation/supplemental/06/timing-and-synchronization-features-of-n...

Also refer the following forum posts:

https://forums.ni.com/t5/LabWindows-CVI/quot-The-specified-resource-is-reserved-quot-in-DAQ-error/m-...

https://forums.ni.com/t5/Measurement-Studio-for-NET/ERROR-DAQmx-DaqException-The-specified-resource-...

Kudos are welcome!