Articles & News on Process Automation and Control

Honeywell Users Group - Heroes Gather in Phoenix

  • by Bill Lydon
  • Feature

The 33rd annual Honeywell Users Group Conference was held June 15 - 19, 2008 at the Arizona Biltmore Hotel in Phoenix, AZ with over 700 customers in attendance.

The Future of Information in Intelligent Devices

  • by Matthew Miller
  • Opinion

Manufacturers need to change their concept of Customer Relationship Management (CRM) from one that effectively ends with the sale to one that promotes an ongoing involvement with the customer and builds on continued service to develop valuable, revenue-generating relationships. In addition, manufacturers will need to re-evaluate their corporate governance and decision-making control in this new environment and their supply chain strategies given the increased high-technology content in their products.

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The PLC: New Technology, Greater Data Sharing

  • by Robert (Bob) Holman
  • News

Programmable Logic Controllers (PLC) continue to evolve as new technologies are added to their capabilities. The PLC started out as a replacement for banks of relays. Gradually, various math and logic manipulation functions were added.

IEEE 1394 and Industrial Automation: A Perfect Blend

  • by Gaurav Sareen
  • Feature

The industrial Automation.community can benefit in many ways by taking a close look at how 1394 has benefited the world of consumer electronic devices. The impact of 1394 on the industrial control field is likely to be as disruptive and revolutionary and will enable new applications to be developed due to the flexibility and improved economics of this new control architecture.

How to Control a Process With Long Dead Time

  • by John Gerry, P.E.
  • Feature

A process with a large dead time presents a special challenge for a controller - any controller. Find out how to get the best control of large dead time processes.

New Improvements to Magnetic Level Gauge Technology Yield Increased Control, Accuracy, Safety and Reliability for Plants that Process and Store Fluids

  • by Carl Kull
  • Opinion

A brief examination of the latest improvements to magnetic level gauge (MLG) systems will help bring any engineer up-to-date on the hardware that is now available to help improve plant operations.

Ziegler-Nichols Tuning Rules And Limitations

  • by John Gerry, P.E.
  • News

The standard reference for PID tuning seems to be the Ziegler-Nichols tuning rules developed in 1942 on a pneumatic controller.

Water Security: The Role of the SCADA System

  • by Kevin Finnan
  • News

With security assessments and implementation of appropriate measures receiving the full attention of the water industry, we have been exploring how technology can contribute to these efforts. 

The Fast Way to Tune Slow Loops

  • by John Gerry, P.E.
  • News

To tune a control loop, analysis software must process some loop data. You must test or bump the loop somehow. For example a setpoint change in automatic or a controller output change in manual mode. 

Buhler’s Grain Milling Automation Relies on OPC Technology

  • Case Study

Buhler, a provider of grain milling solutions, standardized on Softing’s industry-hardened S7/S5 OPC Server to provide reliable connectivity between Buhler’s “WinCoS.r2” automation system and multiple S7-400 PLC’s