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U2001H power sensor stops communicating after a couple hours

Question asked by skazarians on Jul 17, 2014
I'm having a problem with the U2001H power sensor where I am no longer able to talk to it after about 2.5 hours.  This timing seems somewhat consistent, and I'm going through the list of triggers I can think of (computer sleep, etc) to try and find the root cause.  Has any one else seen this issue?

Details: I've tested this on two different windows 7 machines.  The drivers are up to date.  I'm communicated to it using Labview's VISA subvi's.  The final application for these sensors is an ATE, so I'm opening and closing the port once each test is done (aka, I'm not leaving the port open).

Thanks in advance,