Re: [foxboro] Confirm Setpoint
- From: "Johnson, Alex P (IOM)" <Alex.Johnson@xxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 6 Sep 2011 09:28:21 -0500
I don't know a quick/easy way. You can pop-up an overlay and force the entry
there and it can run a script to verify the value.
One other thought - If they use the PIDA block, they can setup setpoint ramps
and clamps. It doesn't have the normally requested "no more than x% of the
current value" check, but it can limit the absolute value. The ramp can make it
less disruptive to make a change.
Regards,
Alex Johnson
Invensys Operations Management
10900 Equity Drive
Houston, TX 77041
+1 713 329 8472 (desk)
+1 713 329 1600 (operator)
+1 713 329 1944 (SSC Fax)
+1 713 329 1700 (Central Fax)
alex.johnson@xxxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of Brazell, Troy L
Sent: Tuesday, September 06, 2011 8:53 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Confirm Setpoint
Guys,
Does anyone know a quick simple way to setup a controller faceplate so
that the operator is required to confirm a new setpoint. A friend of
mine had a situation where an operator miss entered a setpoint and
shutdown a unit.
Thanks
Troy Brazell
DCP Midstream
Senior Process Control Analyst
ISA CCST
Office 405-605-3877
Cell 405-301-2994
tlbrazell@xxxxxxxxxxxxxxxx
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