Re: [foxboro] FBM04 PIO problems

I can't imagine that a point failure would cause a PIO Bus failure message,
so I would look to a bent pin on the FBM, a bad letterbug, or a cracked
Y-module mounting rack.  We've had techs over-tighten the FBM screws and
crack the pin socket resulting in intermittent problems ... it can be hard
to see.

Brad Wilson
Process Control Engineer
ExxonMobil Chemical Co
Edison Synthetics Plant
732-321-6115
732-321-6177 fax
Brad.S.Wilson@xxxxxxxxxxxxxx

 
 
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