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Technology Stocks : TAVA Technologies (TAVA-NASDAQ)
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To: John Mansfield who wrote (9260)1/22/1998 3:21:00 PM
From: John Mansfield  Read Replies (1) of 31646
 
Plant Information at the Desktop: a strategic solution to the problem of getting batch information from different control systems to the corporate desktop

wbf.org

This has been discussed some time ago by CK. This document is a good and detailed description of plant-floor - MIS integration; the business that TAVA will be in increasingly after 2000 (leveraging their accumulated detailed know-how of lots of plant floors).

John

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Plant Information at the Desktop, Exploiting Corporate IT Infrastructure

Ray Bolton, ZENECA Pharmaceuticals, England

Introduction

Automated batch manufacture of products should present an ideal opportunity to collect appropriate raw data which will assist the production staff. Their information needs will differ significantly e.g. Quality assurance /exception reporting of individual batches to support product release. Process improvement by comparison of multiple batches and in depth analysis of individual batches. These goals have been difficult to realize for many reasons. There are no standards which define what raw event and measurement data should be recorded and under what circumstances to facilitate later analysis.

Commercial batch control systems differ greatly in what they record about a batch and how it is made available. Production staff don¡t understand SQL (structured query language) and few software people in corporate information systems departments understand batch control! Until recently, there were no standards to suggest a control philosophy for the automation of batch plants. S88.01 addresses some of these issues but not what data needs to be recorded.

Strategy for batch information at the desktop

ZENECA has clearly defined strategies, based on Microsoft technology, for IT infrastructure across its businesses. Our strategy for batch information at the desktop was based on:

Initial prototyping of a batch data collection/analysis tool to understand real user requirements and identify essential raw data required to satisfy these requirements.
Work with control system vendors to ensure raw data is produced. Develop a generic batch event recording/Server system which complied with corporate standards.
Develop a generic user friendly batch analysis tool available across the company

Some initial prototyping work was done to import messages from our batch control systems and generate interactive views of the data using forms. The prototype tool was demonstrated to production/development/QA people at several ZENECA sites and comprehensive user requirements were developed.

This process revealed that our control systems were not recording certain raw data which was vital for later analysis. We concluded that certain basic raw data was essential for each event to allow ZEBADEE (ZENECA batch data exchange environment) to configure itself by analyzing the event data in detail. We worked closely with our control system vendors to ensure that a standard message format was used.

<snip>

Development of the batch information client

The desktop application is the key component of our batch information at the desktop strategy. It was designed to satisfy the diverse requirements of production, QA and process improvement teams.

<snip>

Conclusions

With careful planning, it is possible to define a strategic solution to the problem of getting batch information from different control systems to the corporate desktop.'
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