Emerson Exchange 365

Activity

Jim Cahill
- 12 Feb 2021
Digital Transformation Helps Moderna Safely Deliver COVID-19 Vaccine in Record Time

A common theme across the Emerson Exchange Virtual Series has been the way software and digital technologies have helped us all deal with an unexpected and unprecedented pandemic. Wherever there is adversity, there are also innovators who step up to the challenge of delivering solutions to critical problems. In the February keynote address, Speed to Market, Jim Nyquist , chairman of Emerson’s systems and software business...
Jim Cahill
- 27 Aug 2020
How Does PID Loop Dynamic Reset Limit Work?

In the DeltaV discussion forum in the Emerson Exchange 365 community , there is a post, Question about Dynamic reset limit and “Use PV for bkcal” options . What caught my eye was a response by Emerson’s James Beall describing dynamic reset limiting and specifically how it is performed in the DeltaV distributed control system controller. Part of the question asked was: Also, how exactly does the dynamic reset limit...
Jim Cahill
- 17 Jun 2020
Unpredictable Mother Nature Drives New Sugar Production Process

American Crystal Sugar produces a lot of sugar in its six factories. The first step in the process is to wash sugar beets, and this creates a great deal of waste mud that has to be properly disposed. Shifting weather conditions – rainier than average seasons – increased the amount of water in the process, which drove the company to increase use of aged polymer that aids in the flocculation process and helps prevent buildup...
Jim Cahill
- 17 Jun 2020
Unpredictable Mother Nature Drives New Sugar Production Process

American Crystal Sugar produces a lot of sugar in its six factories. The first step in the process is to wash sugar beets, and this creates a great deal of waste mud that has to be properly disposed. Shifting weather conditions – rainier than average seasons – increased the amount of water in the process, which drove the company to increase use of aged polymer that aids in the flocculation process and helps prevent buildup...
Jim Cahill
- 8 May 2020
Mobile Information Accessibility Benefits

Mariana Dionisio One of the critical elements in Digital Transformation initiatives is mobile access to information. Mobility enables improvements, collaboration and issue resolution to improve overall operational performance. In a Control Engineering article, Seven benefits to using mobile software in your organization , Emerson’s Mariana Dionisio describes how this mobility helps organizations drive business performance...
Jim Cahill
- 30 Apr 2020
Cybersecurity Considerations for Automation Architectures

Sergio Diaz Alexandre Peixoto Automation architectures extend beyond the instrumentation and control systems to safety instrumented systems, asset management systems, manufacturing execution systems, and more. All these systems and devices must be considered in managing strong cyber defenses. In an Industrial Safety and Security Source article, Considerations in Choosing a Defendable Safety System Architecture...
Jim Cahill
- 16 Apr 2020
Driving a Mobile Human Machine Interface Strategy

Danny Strinden Mariana Dionisio In a recent post, Key Criteria for Mobile HMIs , I shared a recap of an article of things to consider in mobile device displays of control system human machine interfaces (HMIs). Having a strategy for deploying this technology is also key. Changing and streamlining work practices is at the heart of digital transformation initiatives. In a Control Engineering article, A mobile HMI...
Jim Cahill
- 9 Apr 2020
Key Criteria for Mobile HMIs

Mariana Dionisio Camilo Fadul Cindy Scott Smart phones and tablets have been a revolution for connecting us to other people and information more quickly, efficiently, and effectively than was possible prior to their arrival. For manufacturers and producers, one example is the control system human machine interfaces (HMIs) that have arrived in this mobile environment. In a Control Engineering article, Five essential...
Jim Cahill
- 2 Apr 2020
Upgrading Boiler Burner Management and Combustion Control Systems

Bob Sabin Peter Kline Authors: Bob Sabin , Peter Kline The Emerson Industrial Energy consulting team assisted a Northeastern U.S. specialty chemical manufacturer with modernizing the controls on two 1960’s vintage Combustion Engineering “D” Type process steam boilers. These units are critical to site operation as they supply steam to a common header that feeds processes throughout the production facility. For...
Jim Cahill
- 2 Apr 2020
Upgrading Boiler Burner Management and Combustion Control Systems

Bob Sabin Peter Kline Authors: Bob Sabin , Peter Kline The Emerson Industrial Energy consulting team assisted a Northeastern U.S. specialty chemical manufacturer with modernizing the controls on two 1960’s vintage Combustion Engineering “D” Type process steam boilers. These units are critical to site operation as they supply steam to a common header that feeds processes throughout the production facility. For...
Jim Cahill
- 11 Feb 2020
ISASecure Family of Certifications Builds Foundation for Automation Cybersecurity

Alexandre Peixoto Andre Ristaino Authors: Emerson’s Alexandre Peixoto , International Society of Automation (ISA)’s Andre Ristaino Selecting, engineering, implementing, and operating a control system is a significant, long-term investment. Applying a defense-in-depth strategy to protect the process from cybersecurity risks is another significant, long-term investment that can be made more complicated if the inherent...
Jim Cahill
- 6 Feb 2020
Compressor Anti-Surge Control Value Improvement Practice

Pete Sharpe Author: Pete Sharpe An ethylene plant has a number of very large, very critical compressors which will cause the entire plant to shutdown if they ever trip. The cracked gas compressor increases the entire cold-side feed from around 3 psig to ~475 psig, typically through 5 stages. The two refrigeration compressors are the next biggest compressors that can also shut down the entire plant if they trip...
Jim Cahill
- 4 Feb 2020
Modernization of DCS and PLC with Electronic Marshalling

Scott Ross Now, with many control systems being 30+ years old, most of these legacy systems have been placed in to end of life or retired lifecycle status. This means no further factory support is available. I caught up with Emerson’s Scott Ross about some of the choices that must be considered moving forward. Manufacturers and producers face options whether to modernize to a newer family of distributed control systems...
Jim Cahill
- 22 Nov 2019
A Glimpse into Future Control Systems

Let’s end this week before Thanksgiving here in the U.S. with a vision, “…on how plant managers, operators, and engineers may digitally transform the way plants and teams operate.”, with this 3-minute YouTube video, DeltaV Technology for Next-Generation Operations . Technologies shown in this vision include facial recognition for secure operator login, voice & gesture user interface for simplified operations, application...
Jim Cahill
- 22 Nov 2019
A Glimpse into Future Control Systems

Let’s end this week before Thanksgiving here in the U.S. with a vision, “…on how plant managers, operators, and engineers may digitally transform the way plants and teams operate.”, with this 3-minute YouTube video, DeltaV Technology for Next-Generation Operations . Technologies shown in this vision include facial recognition for secure operator login, voice & gesture user interface for simplified operations, application...
Jim Cahill
- 7 Nov 2019
Migrating Legacy Control Systems and PLCs with FlexConnect Solutions

Scott Ross Now, with these control systems being more than 30+ years old, most of these legacy systems have been placed in to end of life or retired lifecycle status which means no further factory support is available. I caught up with Emerson’s Scott Ross about the choices that must be considered moving forward. Manufacturers and producers face options whether to modernize to a newer family of distributed control...
Jim Cahill
- 31 Oct 2019
Migrating Legacy PLC-5s to DeltaV

Way back in the mid-1980’s, when I was a newly-minted engineer working oil & gas production projects offshore in the Gulf of Mexico, a new series of PLCs came on the scene to replace the Allen-Bradley PLC-2’s we had been using. They were the PLC-5 series. Javier DeLuna Now, more than 30 years old, the CPUs used in these PLCs were placed into end of life status which meant no further factory support for the CPUs as...
Jim Cahill
- 30 Aug 2019
Security for Safety System Logic Solvers-Physical Key Switches and Software Locks

Sergio Diaz Author: Sergio Diaz As a product marketing manager for DeltaV safety instrumented systems (SIS) , I have been asked a few times why the key switch on the CHARMs Smart Logic Solver (CSLS) does not control the lock state as is common with many safety controllers. DeltaV CHARMs Smart Logic Solver (CSLS) The next question is, “Why does the user still need to lock the CSLS via software?” The reason is...
Jim Cahill
- 23 Aug 2019
Dynamic Simulations Create Value across Lifecycle

Simulations can add value across the lifecycle of a manufacturing or production process—from the upfront design work for the capital project portion of the lifecycle to the ongoing operations and maintenance. In a Processing magazine article, Using Life Cycle Dynamic Simulation to Drive Projects And Performance , Emerson’s Sean Sullivan teamed with a third-party consultant working at chemical manufacturing facility...
Jim Cahill
- 19 Jun 2019
Cybersecurity Considerations in Safety Instrumented System Architectures

Sergio Diaz Alexandre Peixoto Safety instrumented systems (SIS), which are designed to take the process to a safe state in trip conditions, come in several architectures with the basic process control system (BPCS). The SIS and BPCS can be totally separate, interfaced or integrated, yet separate. While the debate on which approach is best has been going on for a long time, what are they cybersecurity considerations...
Jim Cahill
- 15 May 2019
Controlling Surge in Centrifugal Compressors

Centrifugal and axial compressors can experience a potentially destructive condition known as surge. Emerson’s Mikhail Ilchenko describes it for me. Mikhail Ilchenko Surge is a condition that occurs in compressors when the amount of gas they are trying to compress is insufficient for the size of the compressor and the blades lose their ability to transfer energy from the shaft to the fluid, causing a reverse...
Jim Cahill
- 29 Apr 2019
Optimizing Hydrocyclone Separation Processes

Diagram of a hydrocyclone: 1. the liquid-solid mixture enters, 2. heavy solids leave, 3. cleaned liquid leaves. Photo credit: “hydrocyclone” by VanBuren is licensed under CC BY 3.0 In the mining industry, hydrocyclones are mineral processing equipment used in slurry pulps to separate coarse and fine particles according to their size and density. From Wikipedia : The mixture [slurry pulp] is injected into the...
Jim Cahill
- 18 Apr 2019
Applying Embedded Model Predictive Control

James Beall The history of model predictive control (MPC) dates back to the early 1970s invented at Shell Oil and was known as Dynamic Matrix Control . MPC was designed at that time to solve largescale control challenges. As technology advanced, this technology could be more widely applied on smaller-scale challenges. At this past 2019 AIChE Spring Meeting , Emerson’s James Beall presented Unique Applications for...
Jim Cahill
- 17 Dec 2018
Creating a Digitally-Enabled Workforce

Edition #14 of Innovations in Process Automation is now available. And it’s available not only in English, but also in German , Italian , Spanish and French . This latest edition includes articles about: Emerson’s commitment to training and education is closing the skills gap STEM initiatives inspire next generation of innovators The business case for gender balance is clear Training solutions help maximise...
Jim Cahill
- 17 Dec 2018
Creating a Digitally-Enabled Workforce

Edition #14 of Innovations in Process Automation is now available. And it’s available not only in English, but also in German , Italian , Spanish and French . This latest edition includes articles about: Emerson’s commitment to training and education is closing the skills gap STEM initiatives inspire next generation of innovators The business case for gender balance is clear Training solutions help maximise...

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