Re: [foxboro] Reduce IFL's for FBM
- From: "Wingard, Robert S." <BobWingard@xxxxxxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 17 May 2005 11:48:35 -0500
Refiner plate position control is exactly the application I had in mind for
the reasons stated. The ladder editor is much better in IACC, we are still
playing around with IACC because I do not have the nerve to change yet, but
it appears that it may become useful in the near future.
Bob Wingard
-----Original Message-----
From: William C. Ricker [mailto:wcricker@xxxxxxxxxxxxxxx]
Sent: Monday, May 16, 2005 5:54 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Reduce IFL's for FBM
>PLB block are also good for processing local operations at a panel. The
>processing speed (300 instructions in 30ms) eliminates any perceived delay
>by an operator when operating equipment locally.
Likewise it is quite usefull when having the DCS control devices it is
otherwise not fast enough to effectively control, refiner plate movement
in a paper mill,for example.
Lots of maintanance folks still like the ladders; they understand them right
out of the box. Relative isolation of a PLC FBM improves reliability and
reduces likelyhood of errors elsewhere impacting that control device. This
thing certainly has it's place in a DCS.
I would argue for improved communications and configuration twixt FBM and CP
and some ladder function improvements. Such add number transfers and limited
numeric PLB functions. Such as a somewhat more slick ladder editor. They
never integrated very well with FoxCAE. Is there integration with IACC?
Can I "can" a motor controller which includes HMI, Block and PLB functions
and drop multiple instances into an IA system data base? Would be nice.
Regards,
William C. Ricker
FeedForward, Inc.
Marietta, GA USA
770.426.4422
wcricker @ feedforward.com
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