Re: [foxboro] Training Simulators

Robert,
        I sent the following out a few weeks ago but this part was at
the bottom of my note and may have been missed by many.  To follow up on
what Mike Stewart said, (he is our simulation daddy), here are some
additional advantages that we have realized using ESSCOR's simulation
offerings.

        (ESSCOR sales pitch follows): =20
(Janet Parker, please send my commission checks to my home address ;<)

        IN ESSCOR's FSIM "CP" we are able to leave all of the block
connections intact and then use SIM4ME to dummy the signal all the way
through the FBM's ECB's just as if the field I/O point had transitioned
from an open contact to a closed one.  In addition, by creating
simulation logic based on DCS outputs we can drive the associated inputs
to create the same feedback that the live process would normally
provide. =20
        For discrete loops, if we open a block valve that has an open
and closed limit switch we can make the CIN points transition to their
expected state.  The FSIM CP also fully emulates logic executed in the
ladders of PLB blocks!
        For PIDA controllers we can use the output value it drives
through an AOUT point in a SIM4ME calculation that will dynamically
change the AIN point as an appropriate feedback for the PIDA.MEAS.
        In previous simulations we created, or used, we had to change
.IOMOPT of IO blocks to zero instead of 1 to accomplish the simulation
and then had to make sure that we changed them back before copying the
compound to the live system.  With ESSCOR's offering the Control
application software, (Foxboro's Compounds), remain untouched and run in
the FSIM CP.  The loopback simulation applications you create using
SIM4ME can be built and saved as a separate entity.
        Setting this all up the first time is not for the faint of heart
and we continue to have some technical difficulties keeping it all
running at times, but ESSCOR has provided good service and we have made
a step change in the way we provide new control applications to our
production department.  Production uses our simulations for operator
training while we use it to test and verify that our control logic is
free of typos and or bad connections before we transport it, unchanged,
to the live system by using the same ICC driver tasks used by any other
Foxboro CP.
        Since the FSIM CP is just another station on the Foxboro
nodebus, you can even establish peer-to-peer connections with other
CP's/WP's/Historians, or in our case a TRICONEX TRICON that also
communicates on the nodebus via a FoxGuard module.  The TRICON, (SIS
applications), can then work in conjunction with the Foxboro controllers
or ESSCOR's FSIM CP to provide a complete emulation of your process
control and SIS systems. =20
        This approach requires a certain economy of scale to make it an
economically feasible solution, but for large scale operations it is the
"Cat's Meow"

Cheers,
Tom VandeWater
Control Systems Developer/Analyst
Dow Corning Corporation
Carrollton, KY  USA

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of mike.stewart@xxxxxxxxxxxxxx
Sent: Wednesday, October 11, 2006 12:25 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Training Simulators

We currently have two SimSci-Esscor simulators, SIM4ME.

Our primary use is control checkout for major automation and upgrade
projects. We use them to train the technicians on the new controls that
are to be installed during an outage.=3D20

We are not doing full dynamic simulations, only close loop simulations
with a few calcs. Basically calculate the measurement from the
corresponding valve movement.

Mike Stewart Jr.
Control Systems Support
Automation/Simulation Specialist
Dow Corning Corporation Carrollton

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Balmer, Robert D.
Sent: Wednesday, October 11, 2006 11:32 AM
To: Foxboro DCS Mail List
Subject: [foxboro] Training Simulators

Content-Type: text/plain;
 charset=3D3Dus-ascii
Content-Transfer-Encoding: quoted-printable
Those on the list that have training simulators, what company supplied
you with the equipment and program?

=3D3D20

Robert Balmer

=3D3D20

Senior Applications Analyst/Programmer

ISA CCST

Fort Madison Iowa

319 463 2206

rbalmer@xxxxxxxxxxxxxxx

=3D3D20

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