Re: [foxboro] Supervisory control
- From: "Andriny Bt Rusman \(R&T/PETH\)" <andriny@xxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Sun, 23 Nov 2008 08:53:15 +0800
All,
Thanks for the response. Unfortunately, we actually went with Matrikon
OPC & have not gone down the SSC route. At the moment, the APC
controller writes the setpoint to the PIDE or to the PIDE output. The
setpoint is not locked so operators can still manipulate the SPT or OUT.
That is why I want to try the SSC way. My previous plant used a
different way (not using the SSC) which was a bit cumbersome.
So simply put, does SSC work with Matrikon OPC with Fox v7.1.1? I don't
need the alarming functions (already configured in another way). What
are the pitfalls to be expected?
Best regards,
Andriny Rusman
Advanced Process Control Engineer,
Group Technology Solutions,
Level 4, Menara Dayabumi
Phone: 03-2783 6317
Petronet: 8-333-6317
Fax: 03-2783 6499
email: andriny@xxxxxxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of foxpat
Sent: 21 November 2008 15:03
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Supervisory control
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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confidential information. You are hereby notified that the taking of any
action in reliance upon, or any review, retransmission, dissemination,
distribution, printing or copying of this Message or any part thereof by anyone
other than the intended recipient(s) is strictly prohibited. If you have
received this Message in error, you should delete this Message immediately and
advise the sender by return e-mail. Opinions, conclusions and other information
in this Message that do not relate to the official business of PETRONAS or its
Group of Companies shall be understood as neither given nor endorsed by
PETRONAS or any of the companies within the Group.
_______________________________________________________________________
This mailing list is neither sponsored nor endorsed by Invensys Process
Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
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