Practical Batch Management and Control (including S88) for Industry

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Practical Batch Management and Control (Including S88) for Industry


S88 Nature

• Exciting?

• Constrained?– Don’t stray from

straight & narrow

• Conceptually difficult?– Subtle & critical

distinctions

• Transparent tools


Software – Desirable Attributes?

• Efficient – no, No, NO!

• Effective – YES

• Clever?

• Modular

• Consistent

• Readable


“ Please use the parameter duplication program to copy recipe formulae so that we can defer the mixer mass

value to the operator level “

Speak Batch Management Lingo?


Universal model: Helps you understand/define the big picture Ties the detail in with the big picture Allows better communications

between staff with vendors

Reduce risk WRT planning, costing, project management Basis for better documentation Facilitates integration of different vendor offerings Facilitates configuration of system solutions

Batch Standard – Why Bother?


S88 Approach

decompose into modules separate recipe from the equipment control emphasis on information flow between modules S88 is mostly about the control of control S88 does not discuss low level control, apart from the

modularization and definition of a state machine Distinction between Batch MANAGEMENT and

Batch CONTROL


Consists of Followings Sections:

Scope Normative references Definitions Batch process & Equipment - Physical Model Batch Control Concepts - Procedural Model, Types of

Recipes Batch Control Activities & functions

ISA-S88.01 Batch Control - Part 1


• Provides a data model for recipe, batch schedule, batch history, and equipment objects

• Provides data exchange formats for same• Provides language guidelines to support data exchange

between components of S88.01• Provides language guidelines for user representation of

procedural elements



• Defines content and format of a general recipe• Defines methodology for conversion of a general or site

recipe to a master recipe



S88 – NOT a compliance standard

• No S88 Police!

• No testing labs

• No certification

• Some vendors’ development pre S88– May be perfectly OK– Use of terms may not be consistent with S88


ISA S88.01 Models

• Physical Model– Defines the batch process equipment

• Procedural Model – Defines the control that enables equipment to perform a

task

• Process Model– Defines the material processing requirements; processing

functionality NOT equipment


Person Model?

• Physical: height, weight, eye colour, inside leg, hair, health etc.

• Ability: skills, hearing, eyesight, dexterity, speed, intelligence etc.

• Personality: extrovert, introvert, gentle, aggressive etc.

• Societal: family, wealth, class, reputation, standing, connections, occupation, interests


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Practical Batch Management and Control (including S88) for Industry

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