I need to reconnect my DAQ hardware, whenever I start my computer... Why?

Hi, I'm Ricky, a process engineer intern at a company. I'm still new to LabVIEW and NI MAX. We have a cDAQ9181 set up for air tools and the other in place for an encoder. Now, whenever I start my computer the compressed air tool box is already connected, as expected. However, the encoder it is not. When I click on it in the sidebar, it lies and connects, but the encoder itself does not connect until I have perform a self-test. These devices have slept hip and connected from one day to the next and no issue performance - they must be connected as soon as the computer is on. Anyone know what is happening and how to fix this? I can try a picture if needed.

Thank you for taking the time out of your day to offer some help value! -Ricky

I did some research, and it may very well be that this is expected behavior.

Before being able to run OR-DAQmx tasks on a network cDAQ chassis, you must book the current host system chassis. Through the 'test' you do, I think that it also reserves the chassis. When a chassis cDAQ and PC lost communication due to the system powering down, the chassis must be reserved by the system host again. 'Sleep mode' could also be a problem because most of the PC systems unplug or turn off ethernet after a certain period of inactivity. To avoid having to go through MAX OR book the chassis, you can use the "reserve Network Device.vi DAQmx' who book you the chassis cDAQ for the system calling the VI.

Tags: NI Software

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