ASI safety system fails EMI susceptibility tests. 
Posted: 31 December 2009 07:48 PM   [ Ignore ]  
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We are currently performing EMC susceptibility tests on our machine, which is equipped with an ASI safety at work safety system.

The system trips when a 1.5Kv spike is fed into the 3-phase mains input.  Although failsafe and easily reset I wish to minimise the possibility of nuisance trips of the safety system. 

Are there any guidelines regarding filtering the power supplies and/or application of ferrites to the ASI cable?

The system is Pepperl and Fuchs based.  It has shown to be very robust during normal machine operation.  Should I be worried about it tripping at 1.5KV?  The machine is going to Holland so there ought not to be any dirty mains issues.

MCR

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Posted: 07 July 2010 11:08 AM   [ Ignore ]   [ # 1 ]  
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I am wondering why there hasn’t been any news about this, other than some devices now becoming available supporting it.

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