[foxboro] Emergency Shutdown testing
- From: brad.s.wilson@xxxxxxxxxxxxxx
- To: foxboro@xxxxxxxxxxxxx
- Date: Fri, 10 Mar 2006 12:28:44 -0500
Although this doesn't directly relate to DCS, I'm curious how sites handle
testing of their ESD systems. Since we have nothing considered critical,
we do not have a standalone system like Triconex, but rather we've written
sequence code that directly toggles motors & valves and safes control
loops, in addition to using EXC blocks to handle DEP block shutdowns. Our
problem is that our reliability engineer wants to test those ESD programs
by turning on ALL the motors and then verifying that they all stop when the
code is run. I don't like to idea of having everything running dry &
deadheaded. If you test your ESD systems, how do you ensure that it will
actually do everything that you want it to do?
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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