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Standards Certification Education & Training Publishing Conferences & Exhibits Automation Connections ISA EXPO 2006
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Standards Certification Education & Training Publishing Conferences & Exhibits Batch Process Control from a User and Vendor Viewpoint Bill Hawkins HLQ Ltd
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A Word from Our Sponsor Batch Control Systems, 2 nd Edition –Tom Fisher –Lynn Craig Contents –Introductory stuff –Explanation of S88.01 –Application, with exception handling
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The Book Batch Control Systems – Design, Application, and Implementation, 2 nd Edition 300 pages, softbound Member $89, else $99 ISBN 978-1-55617-967-9
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Humor For every action, there is an equal and opposite criticism. Probably by Steven Wright
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Key Points Viewpoints Vendor-User Conflicts Missing Items Integrated Batch System
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User’s viewpoint Fix it, but don’t just change it Retraining is expensive Wha’d’ya mean, it won’t do that
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Vendor’s viewpoint One set of software fits all Software bugs and enhancements Don’t rattle the User Base Other people’s technology
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Integrator’s viewpoint Project Management services Templates for projects Change may be controlled
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Conflict: Operator Interface Standards Designed by operators Product differentiation
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Conflict: Updates and Upgrades Bug fixes and enhancements No support for older versions Risk to process
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Missing: Phase Library Users want a standard phase library Did that - Accounting packages S88 concepts reduce effort
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Missing: Batch Ownership No conflicting commands Not available in continuous systems Workaround is a relational database
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More humor Experience is something you don't get until just after you needed it. Probably by Steven Wright
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Integrated Batch System Continuous control mind-set Process function viewpoint Standard process function interface
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Process Functionality Equipment Entity Charge –Meter and pump Purge –Gage and gas valve Heat –Heat exchanger Equipment Phase Logic Function Blocks I/O Set of Equipment
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DCS vs. Batch Function PID I/O Transmitter, Valve SP Equipment Phase Logic Function Blocks I/O Set of Equipment Commands
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Recipe Creation Control Engineer creates Process Function library Recipe Author selects Process Functions and directs them Procedure Unit Procedure Recipe Operation Process Function Equipment Phase Phase
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Interface Recipe Execution Process Function Ownership Commands Status Info Temporary Links Multiple Functions
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Transportability Procedure Unit Procedure Recipe Operation Phase Process Function Equipment Phase Process Function Equipment Phase Process Function Equipment Phase
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Solutions Resistance is futile Organize one Batch User’s Group Attend SP-88 meetings
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Summary Vendors constrained by user base Vendors don’t own all their technology Users and Integrators don’t want change Batch needs a batch control system Join a user group to manage vendors
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Questions and Discussion Why can’t …?
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Related Resources from ISA Phone: (919) 549-8411 E-mail Address: info@isa.org Applying S88, Parshall and Lamb Batch Control Systems, Hawkins and Fisher Fieldbuses for Process Control, Berge ANSI/ISA 88.01-1995
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