NEITHER 9477 - want to turn off the exits in case of failure of communication/USB

I've implemented a CDaq Avecquelques modules, which is a NI 9477. I use it turn on and off different parts of the system.

The system runs a HV PSU, and if it is not common, there is a chance that the system can the CRA. When this happens, it has tendency to act like a bomb of ESD, and who killed the communications OR on a few occasions for us.

One of the elements which is controlled by the NI 9477 is the power supply, and I want it going now that such a communication problem.

Is it a possibility at all?

I hope this is in the event of a fault or the communication, all the outputs (or outputs including) on the NI9477 fall to FALSE.

If it's something security-critical, 1) you should not use USB and 2) you must use a cRIO or a RT cDAQ chassis.  With these, you can have the figure of the controller off if something went wrong and stop.  With the cDAQ, you're practically dead in the water.

Tags: NI Hardware

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