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Digital Output Freeze

Digital Output Freeze

‎04-07-2015 12:22 AM

Hi there,

 

We have a PXI RT system with a PXI-6515 card. This card has been operating fine with the program until the past 1 month. One of the digital output channels freezed, where the signal stayed on even though we have send the command for the signal to turn off via DAQmx and via MAX. This was verified using a multimeter and a third-party PLC. We changed the signal to another DO channel, the problem goes away but yesterday, it recurs on the new channel. Any reason why? 
 
Thanks.
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