Re: [foxboro] Supervisory control
- From: "foxpat" <foxpat@xxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Fri, 21 Nov 2008 08:02:52 +0100
Andriny
We use Supervisory Setpoint Sontrol with the IAconnect OPC server (Invensys
Germany software). The IAconnect OPC is specifically designed to handle the
SSC mechanism and does this without any problems (1 applic, for 1 year, zero
problems). It directly addresses the low-level Object Manager and therefore
does not require AIM* and performance is FAST!
Using AIM*OPC is possible but is much more complex to setup. We decided not
to go that route as we've heard IAconnect was very simple to implement.
(which proved to be absolutly true).
The standard FoxDoc includes the SSC documentation which describes the SSC
mechanism (don't have access to that here, so don't know the exact doc.
Number).
The IAconnect manual describes how to implement the IAconnect.
I had this running on a AW70 integrator V7.1 for test and used some
home-made visual basic programs to read/write IA blocks, including SSC
(PIDA).
Highly recommended!
Kind regards,
Patrick Martens
Total Raff. Ned. NV.
-----Oorspronkelijk bericht-----
Van: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
Namens Andriny Bt Rusman (R&T/PETH)
Verzonden: vrijdag 21 november 2008 4:38
Aan: foxboro@xxxxxxxxxxxxx
Onderwerp: [foxboro] Supervisory control
All,
I have a question on the Supervisory Control. I'm using Foxboro v7.1.1 &
wants to implement advanced controls which will require an external
controller to write to the existing PIDE controllers. I know you can
set the SUPOPT = 1 and this enables writing SPT from external (in this
case, via OPC), but I heard this way is fraught with problems.
Can someone confirm this?
Best regards,
Andriny Rusman
Advanced Process Control Engineer,
PETRONAS
email: andriny@xxxxxxxxxxxxxxx
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