Process Engineering White Papers

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  • Managing Complex Equipment Status in a GMP Environment

    Batch manufacturing systems must maintain the status of equipment, including which are available, dirty, out of service, etc. In industries that enforce Good Manufacturing Practices (GMPs), additional status types and values for process equipment must be maintained. Rules associated with the equipment status can be complex and involve the equipment class, current equipment state and time in the current state. This paper covers the operator interface used to review the equipment status and the interlocking requirements between the recipe and batch phases based on multiple status types.

  • Fieldbus and remote I/O system comparison

    Nine manufacturers participated in the FuRIOS study, which was conduced under the lead of an end user company that compared its use of fieldbus and remote I/O in full detail.

    Aventis, Infraserv GmbH
  • Process Control Network Security - Reference Architecture

    This document describes best practices for the reference architecture for a process control system network and its interfaces to a corporate network. The paper’s objective is to give the reader an understanding of the techniques utilized to securely connect these networks.

  • Specifying industrial fieldbus networks for automation

    Automation designers face many challenges and tradeoffs in the development of a successful network solution. This white paper discusses the necessary choices in selecting a network technology appropriate for various specific applications.

    Texas Instruments
  • Measurement Best Practices

    This 9-page PDF discusses way in which you can ensure your measurements are accurate, repeatable and reliable.

  • Technical handbook from Magnetrol

    This technical handbook from Magnetrol gives important conversions, chemical properties, equivalents and pipe data.

  • How to control a process with long dead time

    A process with a large dead time presents a special challenge for a controller --  any controller. This short paper explains how to get the best control of large dead time processes.

  • Theory and practice of pH measurement

    This 43-page guide covers the basic mechanism of pH measurement, the structure of the sensor and its fundamental limitations, and also provides installation, maintenance and troubleshooting guidance.

    Rosemount Analytical
  • Tracing the accuracy of calibration gases

    Calibrating your instruments using specialty gas will only yield results as accurate as your gas mixture. This three-page white paper discusses analytic traceability and how it relates to gas mixture accuracy.

  • Ziegler-Nichols Tuning Rules And Limitations

    The standard reference for PID tuning seems to be the Ziegler-Nichols tuning rules developed in 1942 on a pneumatic controller. Here is how to tune a controller using these rules.

  • Achieve 21 CFR Part 11 Compliance

    This technical white paper discusses Yokogawa’s CENTUM CS 3000 R3 DCS (Distributed Control System) product and the extent of its compliance with Part 11 of Title 21 of the Code of Federal Regulations (21 CFR Part 11), the Electronic Records/Electronic Signatures Rule.

  • Succeed at Alarm Management

    Today's control system make it easy to add alarms. The result has been a proliferation of alarms that can overwhelm an operator and actually obscure situations that really require immediate attention. This paper provides practical guidance on effective procedures that can significantly reduce nuisance alarms and improve operator effectiveness.

    D. Shook, PhD, P.Eng., Matrikon, Inc.
  • Selecting Transmitters for Safety Instrumented Systems

    This paper presents best practices that allow the user to quantify the impact of real-world failure causes and to take credit for improvements in system design. Besides selection, it also covers installation and maintenance.

    DuPont Fluoroproducts and Rosemount Inc
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