Blog - Post List
    • 30 Aug 2019

    DeltaV Blog: 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...
    • 30 Aug 2019

    Safety Instrumented Systems Blog: 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...
    • 23 Aug 2019

    DeltaV Blog: 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...
    • 6 Aug 2019

    Ovation Blog: Ovation Advanced Condition Monitoring

    Jason King Emerson’s Jason King shares an update on advanced condition monitoring in the Ovation distributed control system at last week’s 2019 Ovation Users’ Group conference. This integrated machinery protection and condition monitoring module built directly into the Ovation system. It is capable of typical equipment protection functions, but also has condition monitoring technology built in, so no separate software...
    • 1 Aug 2019

    Ovation Blog: Ovation Intelligence Framework

    Alvin Faustino Azime Can-Cimino Emerson’s Alvin Faustino and Azime Can-Cimino discussed plant prognostics with the Ovation Intelligence Framework at the 2019 Ovation Users’ Group conference. Here’s a visual of the framework: Azime opened explaining that prognostic maintenance requires starting with data—sensor data and generated data. This data is pre-processed and used to develop a detection or prediction...
    • 1 Aug 2019

    Ovation Blog: Electrical Generator Excitation Control

    Emerson’s Matt Musko shared the basics and installation best practices for generator excitation controls at the 2019 Ovation Users’ Group conference. Matt opened describing the fundamentals of generator excitation. Three things are necessary to generate electricity: current carrying conductors in the generator armature windings, a magnetic field created by DC current supplied to the field windings, and relative motion...
    • 1 Aug 2019

    Ovation Blog: Ovation System Forward View

    Rick Kephart rounds out the 2019 Ovation Users’ Group conference with a look into the future around architectures and algorithms. Rick opened with a discussion of Ovation Droplets. It is a lightweight controller that’s part of the 3.7 release. Any Compact Controller can be configured as a Droplet in the Dev Studio configuration software. These compact controllers, configured as standalone, can be adopted as Droplets...
    • 31 Jul 2019

    Ovation Blog: Suppressing Plant Alarms

    Ben Poskie Since the early days of distributed control systems, much work has been done to improve alarm management and prevent alarms from flooding operators to prevent them from properly diagnosing and correcting abnormal situations. The ANSI/ISA 18.2 alarm management standard began development back in 2003 and built off of the work of other alarm management initiatives. It published as ANSI/ISA-18.2-2009 Management...
    • 31 Jul 2019

    Ovation Blog: Ovation Compact Controller Update

    Tom Snowdon As renewable energy supplied to electrical grids continues to grow, the need for more scalable options to control these additional sources of energy. In a 2019 Ovation Users’ Group conference presentation on the Ovation Compact Controller (OCC) , Emerson’s Tom Snowdon shared an update on the OCC, the use of 3 rd party I/O and engineering tool options. Tom opened defining a standalone as one controller...
    • 31 Jul 2019

    Ovation Blog: Gas Turbine Control Enhancements

    Emerson’s Laurence O’Toole and Felipe Londono were joined by Mitsubishi Hitachi Power Systems (MHPS)’s Michael Glover to present on gas turbine control enhancements at the 2019 Ovation Users’ Group conference. MHPS and Emerson formed an alliance in 2008 to provide state of the art turbine and controls solutions. The solutions include balance of plant (BOP) controls, generator excitation, process control devices and...
    • 31 Jul 2019

    Ovation Blog: Ovation Turbine Overspeed Protection

    At the 2019 Ovation Users’ Group conference, Emerson’s Sam Onuska and Greg Lieb provided an update on turbine overspeed protection in Ovation distributed control systems. Sam opened discussing the purpose of turbine overspeed protection. It’s required for personnel safety and machinery protection against overspeed condition. Overspeed protection is applied to steam turbines, boiler feed pump turbines, combustion turbines...
    • 30 Jul 2019

    Ovation Blog: Ovation Lifecycle Planning

    Emerson’s Mike Ames and Nick Koonce teamed up to discuss Ovation Lifecycle Planning and the need to think beyond periodic upgrades at the 2019 Ovation Users’ Group conference. Nick opened by defining lifecycle planning for the Ovation system: Ovation Lifecycle Planning provides a broader or more holistic approach to best align Ovation products and services to customers’ business drivers (KPI’s) and problem-solving...
    • 30 Jul 2019

    Ovation Blog: Air Management and Emissions Control

    Emerson’s James Bare shared how effective process control and tuning improves combustion air management and improves overall emissions control at the 2019 Ovation Users’ Group conference. James opened describing different types of boilers and their operation in different regions. The focus of the presentation was on coal-fired boilers. Combustion of coal with air creates steam from water which drives a steam turbine...
    • 30 Jul 2019

    Ovation Blog: Cooling Tower Solutions

    At the 2019 Ovation Users’ Group conference, Emerson Jason King provided an update on Ovation DCS solutions for cooling towers. Jason opened explaining that $450,000 USD can be saved using automated cooling tower monitoring and optimization solutions. Several challenges exist for cooling towers in the power generation industry. Cooling towers are used to condense the steam exiting the steam turbine. This helps complete...
    • 30 Jul 2019

    Ovation Blog: Ovation Digital Twin Technology-Embedded Simulation Update

    Some key ways simulation technology is used by manufacturers and producers for training, optimizing operating procedures and engineering to evaluate ways to improve overall performance. In a 2019 Ovation Users’ Group Conference presentation, Ovation Digital Twin Technology – Embedded Simulation Update & New Applications, Emerson’s James Thompson and Shen Zhang provides an overview of Digital Twin technology, how it integrates...
    • 30 Jul 2019

    Ovation Blog: The Industrial Cyber Threat Landscape

    At the 2019 Ovation Users’ Group conference, Dragos CEO Robert M. Lee provided an update on the cyber threats facing manufacturers and producers. Emerson and Dragos yesterday announced an agreement, Emerson Selects Dragos to Collaborate on Cybersecurity Protection for Power and Water Industries . The news: Emerson and Dragos, Inc., developer of the Dragos Platform for industrial cybersecurity asset detection, threat...
    • 29 Jul 2019

    Ovation Blog: Heat Recovery Steam Generator Purge Credit Success

    At the 2019 Ovation Users’ Group Conference , a U.S. power producer shared their story about shrinking down to a 17-minute purge on their combustion turbine (CT) startup. A heat recovery steam generator (HRSG) purge removes combustible levels of fuel mixtures prior to startup. A purge credit allows credit for a prior purge for the next startup with a normal shutdown occurs or modified fuel systems for both CT and duct...
    • 16 Jul 2019

    Safety Instrumented Systems Blog: Reducing Level Detector Proof Testing Complexity

    Each safety instrumented function (SIF) including its sensor, logic solver and final control element must be periodically tested to make sure it will perform as designed in the event of a safety demand. These “proof tests” help to uncover and failure conditions which may have developed since the last proof test or safety demand. A new whitepaper, Reducing the Complexity of Proof-Testing with New Generation Point Level...
    • 8 Jul 2019

    Ovation Blog: 5 Questions for Cybersecurity Expert Jaime Foose

    Emerson’s Jaime Foose joins our continuing podcast series, 5 Questions for an Emerson Expert . Jaime is an ICS cyber security expert, Director of Security Solutions and Lifecycle Shared Services. She helps power producers and water & wastewater utilities with programs and processes to improve their cyber defenses and the ongoing health of their distributed control systems & operational technology (OT). https:/...
    • 8 Jul 2019

    Ovation Blog: 5 Questions for Cybersecurity Expert Jaime Foose

    Emerson’s Jaime Foose joins our continuing podcast series, 5 Questions for an Emerson Expert . Jaime is an ICS cyber security expert, Director of Security Solutions and Lifecycle Shared Services. She helps power producers and water & wastewater utilities with programs and processes to improve their cyber defenses and the ongoing health of their distributed control systems & operational technology (OT). https:/...
    • 19 Jun 2019

    DeltaV Blog: 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...
    • 19 Jun 2019

    Safety Instrumented Systems Blog: 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...
    • 28 May 2019

    Ovation Blog: Improved Steam Temperature Control Strategies

    As electrical power producers and cogeneration facilities must handle the load swings produced on the supply and demand side. Optimizing steam temperature control is one key way to improve the reliability of on boilers and heat recovery steam generators (HRSGs) caused by load swings. Jeffery Williams I caught up with Emerson’s Jeffery Williams who shared the details of a steam temperature optimization project with...
    • 15 May 2019

    DeltaV Blog: 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...
    • 6 May 2019

    Safety Instrumented Systems Blog: Storage Tank Overfill Protection

    Lydia Miller AnnCharlott Enberg Preventing overfill conditions in tanks and vessels is a job for safety instrumented systems across many industries. In a Flow Control article, A Systemic Approach to Storage Tank Overfill Protection , Emerson’s Lydia Miller and AnnCharlott Enberg describe the key components in a comprehensive tank management system to meet the safety requirements for the application. Lydia and AnnCharlott...