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Reading 115vac 400Hz

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Reading 115vac 400Hz

I am working on reading 115vac 400Hz power supply using an PXI-4472.

I got it working, but if the signal gets lost the loop crashes.

 

How do I stop it from doing this?

Anyone got an example of reading ac voltage even if its 0volt?

kls
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Re: Reading 115vac 400Hz

You should attach your VI so people can have a look...

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Re: Reading 115vac 400Hz

I will do it tomorrow 😏
kls
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Re: Reading 115vac 400Hz

In adition to the vi, it would be interesting to know how you are reducing the 115 VAC to a level that is compatible with the PXI-4472.

 

steve

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Accepted by topic author Kimlorentz
06-08-2016 03:51 AM

Re: Reading 115vac 400Hz

Got it working.

It was my sampling settings that was wrong and how I put my code together.

For reducing 115vac i used resistors (ATTENUATOR 20:1).

 

OLD vi. code

ac voltage vi old.JPG

 

 

New vi. code

ac voltage vi new.JPG

kls
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Re: Reading 115vac 400Hz

EDIT!!

 

The ATTENUATOR is an 40:1 and not an 20:1.

kls
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