Re: [foxboro] PI question

We use both CALC (RI's) and AIN blocks (these with IOMOPT =3D 2). We =
tried REAL.VALUE, for the same reasons as you but couldn't get them to =
work. We've been able to use them with other applications (Fortran code =
running on an AW and with Aspen's DMC) so there must be something on the =
PI-API.

Mart=EDn R. Ugarte
Control Avanzado y Sistemas
Refiner=EDa La Plata - RepsolYPF
* +54-221-4298310 ext. 28034
7 +54-221-4298310 ext. 28033
* <mailto:mugartet@xxxxxxxxxxxxx>

-----Mensaje original-----
De: Lowell, Tim: [mailto:Tim.C.Lowell@xxxxxxxxxxxxxxxxxx]
Enviado el: Viernes, 25 de Abril de 2003 15:38
Para: foxboro@xxxxxxxxxxxxx
Asunto: [foxboro] PI question



Here's a question for all you PI-on-Foxboro gurus out there.  I was =
trying
to build my first PI output tag, meaning a tag whose value I can change =
from
a spreadsheet, for example, and have it automatically update on the I/A
system.  It took several attempts using trial and error to identify a
Foxboro "object" that was compatible with this kind of operation.  I
eventually ended up with getting a CALC.RI01 parameter as the
"InstrumentTag" in PI to work.  I tried a REAL.VALUE and a CALC.M01, and
neither one of those worked. =20

Does anyone have a list of which types of Foxboro objects can be written =
to
by PI?  I really wanted to use the REAL.VALUE, because those blocks =
don't
take up any scan time.  Are those available to be written to, and I just
didn't do it right?  Are AOS objects an even better solution?  What do =
most
people use for PI output tags?

Tim Lowell
Control Systems Engineer
ConocoPhillips, Trainer Refinery
Phone:  610-364-8362
Fax:    610-364-8211
Tim.C.Lowell@xxxxxxxxxxxxxxxxxx


=20
=20
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