Process Modeling & Efficient Engineering

Overview:

The modelling of a Batch Process and breaking down into S88 modular components is key to an easy and cost effective control software solution. This paper looks at the issues involved with engineering a batch control system, in relation to modelling, unit acquisition and transfers of material, including the use of generic coding techniques and ‘multiplexing’ or unit relative design. There are many ways to engineer a batch application even using S88 concepts. Real case studies will be used, where two batch applications have been engineered on the same site over the last 5 years. The first placed a high emphasis on control station coding and complexity within the phase and sequences. The later case was designed to fully use the capability of the Batch Supervisor to optimise engineering and maintenance and provide the functionality required. A comparison of these two methodologies provides a good insight into the benefits and disadvantages of each, in relation to engineering, testing and on-going maintenance.

Author: Paul Wilson, Batch Consultant, Invensys Software Systems (Foxboro)  | File Type: PDF

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