DAQ 1301 disconnecting issue

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danthoskin
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DAQ 1301 disconnecting issue

Postby danthoskin » Thu Oct 01, 2020 8:00 am

I am noticing that one of my DAQ 1301’s is detaching occasionally. Any ideas on what could be causing that? It is showing up in the latest version of my logfile and I have checked everything I can think of for a cause. The wiring seems good, all connections are solid and I have pulled the VINT cable out of the conduit where it is running to reduce any possible interference there. The + and - terminals on the unit are all connected to a clean 24vdc source with various simple switches etc in between, so pretty straight forward. The VINT hub is the USB version with other devices connected to it that never disconnect, so I doubt that end of it is the problem. There is another DAQ 1301 right beside it wired exactly the same way and connected to the same hub that never disconnects.
I will try to connect the unit to another port on that hub, then another hub altogether, then I will try swapping that unit out with another one.
Any thoughts on what else I can check to eliminate this would be greatly appreciated.
Thanks,
Dan H

danthoskin
Phidgetly
Posts: 35
Joined: Wed Oct 30, 2019 5:44 pm
Contact:

Re: DAQ 1301 disconnecting issue

Postby danthoskin » Sat Oct 03, 2020 7:38 am

Removing the VINT cable from the duct and letting it run in the open panel seems to have solved the issue. I am going to make up a few shielded VINT cables so I can hopefully put them back in the duct to clean the panel up.
I was surprised because the only other wires in there were 24vdc signal wires, no big power or motor cables etc.
Dan


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