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Interfacing to Motorized Actuator
Terry Blevins and Greg McMillan
At Emerson Exchange, 2011, I had the pleasure of working with Tom Pesek, Marketing Manager, Emerson Process Management to host a workshop on Interfacing the DeltaV control system to motorized actuators. The workshop addresses the use of motorize actuators...
7 Nov 2011
Secondary Flow Loops Offer a Primary Advantage
Terry Blevins and Greg McMillan
A secondary flow loop offers opportunities for feedforward control, identification of valve stick-slip and backlash, online metrics, diagnostics, rejection of pressure disturbances, linearization, and modeling. However, a secondary flow loop can be detrimental...
5 Nov 2011
Press Release: Emerson extends Electronic Marshalling offering with intrinsically safe CHARMs
Larry Griffin
Electronic Marshalling technology now available for cost-saving, flexible automation in hazardous locations AUSTIN, TEXAS (October 31, 2011) – Building on its innovative Electronic Marshalling and single-channel characterization module (CHARM) technology...
1 Nov 2011
ISA Best Seller Award – Control Loop Foundation
Terry Blevins and Greg McMillan
In early September, Mark Nixon and I were notified by ISA that we were recipients of the “Raymond D. Molloy Award” presented by the ISA Publications Department. Our book, Control Loop Foundation—Batch and Continuous Processes, sold the most units of any...
31 Oct 2011
DeltaV S-Series ATEX Instruction Sheets
Larry Griffin
Three new ATEX Instruction Sheets: KJ3246X1-BA1 S-Series H1 with Integrated Power KJ3246X1-CA1 S-Series H1 with Integrated Power Simplex Terminal Block KJ3246X1-DA1 S-Series H1 with Integrated Power Redundant Terminal Block Read the full text.
28 Oct 2011
Reactor Cooling and Heating Systems – Part 4
Terry Blevins and Greg McMillan
Heat exchangers in a coil or jacket recirculation system are used to provide tempered water. This allows the use of colder or hotter utility streams as inputs to exchangers rather than as inputs to a coil or jacket, moderating temperature extremes that...
27 Oct 2011
Press Release: Emerson helps Tata Steel improve safety, emissions, and energy self-sufficiency at UK facility
Larry Griffin
Upgraded boiler controls enable greater use of waste fuels AUSTIN, TEXAS (October 25, 2011) – Tata Steel’s Port Talbot facility in Wales has upgraded control of its largest steam boiler using energy management technologies and services from Emerson Process...
26 Oct 2011
Live from the 2011 Emerson Exchange
Larry Griffin
ControlGlobal.com Live Coverage of the 2011 Emerson Global Users Exchange Headlines from October 24th: - Emerson Takes Aim at Industrial Energy Use - Emerson Building Trust, Investing in Technology - Shut Your Trap: Wireless Sensor IDs Steam Leaks - ...
25 Oct 2011
Control Loop Foundation – Class (9025)
Terry Blevins and Greg McMillan
As I noted in a previous blog, Emerson’s education department has established a class (9025) based on the book Control Loop Foundation – Batch and Continuous Processes that I co-authored with Mark Nixon. This is a 4 ½ day class in which most of the key...
24 Oct 2011
Press Release: Emerson leads wireless transformation in global industrial facilities
Larry Griffin
Emerson Process Management surpasses 500 million hours of wireless operation across 6,100 networks as industrial wireless moves from extreme to mainstream AUSTIN, TEXAS (October 20, 2011) – Emerson Process Management, a business of Emerson (NYSE: EMR...
21 Oct 2011
Reactor Cooling and Heating Systems – Part 3
Terry Blevins and Greg McMillan
Heat exchangers in a process recirculation steam are also used for reactor temperature control. The high velocities on the process side in the exchanger increase the heat transfer coefficient and reduce fouling. For cascade control the reactor temperature...
20 Oct 2011
Updated M-series Fieldbus H1 Carrier Product Data Sheet
Larry Griffin
The DeltaV M-series Fieldbus H1 Carrier is your field-mounted fieldbus I/O carrier solution. (209KB PDF) Read the full text.
19 Oct 2011
Emerson Exchange – 2011
Terry Blevins and Greg McMillan
This year Emerson Exchange will be held October 24-28 at the Gaylord Opryland Resort & Convention Center in Nashville, Tennessee. Emerson Exchange is a forum for the free exchange of non-proprietary information among the global user community of all Emerson...
17 Oct 2011
The Maintenance Key to Improved Performance
Gregory K McMillan
Getting the Inside Scoop from a Control Engineer on How to Integrate O&M Knowledge and Relationships to Provide Long-Term Highly Successful Solutions Read the full text.
17 Oct 2011
Reactor Cooling and Heating Systems – Part 2
Terry Blevins and Greg McMillan
Whether the secondary loop uses coil or jacket inlet or outlet temperature is often a matter of tradition for a particular company or process industry. The dynamic response of the cascade control system to reactor disturbances such as feed and reaction...
12 Oct 2011
ISA104 Meeting – ISA Automation Week
Terry Blevins and Greg McMillan
ISA Automation Week will be held this year on 17-20th October 2011 at the Arthur R. Outlaw Convention Center, Mobile, AL. Many of the ISA committees that work on the creation of standards for the process industry will be meeting in conjunction with ISA...
10 Oct 2011
Updated DeltaV SX Controller Product Data Sheet
Larry Griffin
The SX Controller provides all the features and functions of the SD Plus Controller, with twice the capacity. (258KB PDF) Read the full text.
10 Oct 2011
Updated DeltaV SD Plus Controller Product Data Sheet
Larry Griffin
The SD Plus Controller provides all the features, functions and memory needed for large batch and other memory-intensive applications. (260KB PDF) Read the full text.
10 Oct 2011
Reactor Cooling and Heating Systems – Part 1
Terry Blevins and Greg McMillan
The cooling and heating system is critical for reactors since temperature plays such a huge role in determining reaction rate and selectivity (formation of desired product). The limit to what a valve position controller (VPC) can do to increase production...
6 Oct 2011
New S-Series DeltaV Controller Interface for PROVOX I/O Product Data Sheet
Larry Griffin
Emerson Process Management provides solid control solutions with the S-Series DeltaV Controller Interface for PROVOX I/O and DeltaV SD Plus or SX Controllers. (360KB PDF) Read the full text.
5 Oct 2011
New Backup and Recovery Product Data Sheet
Larry Griffin
Protect your plant data with backup for your DeltaV system, AMS Suite, Syncade operation Management Suite and other critical folder, files and databases and recover this information if disaster strikes. (600KB PDF) Read the full text.
5 Oct 2011
Commissioning Control Systems – Increase/Decrease Selection
Terry Blevins and Greg McMillan
The analog output block action on loss of power, that is, fail open or fail closed, is defined in Foundation Fieldbus devices through the configuration of the IO_OPTS parameter. Also, as addressed in Control Loop Foundation – Batch and Continuous Processes...
3 Oct 2011
Batch vs. Continuous Control and Optimization – Part 4
Terry Blevins and Greg McMillan
Batch and fed-batch reactors are designed so that the product concentration is always increasing in the reaction phase of the cycle whereas continuous reactors are designed to hold a constant product concentration. These fundamental differences have enormous...
29 Sep 2011
Updated Upgrading your DeltaV Validated System Whitepaper
Larry Griffin
This paper describes how Emerson makes DeltaV upgrades easier and more reliable. (122KB PDF) Read the full text.
27 Sep 2011
Commissioning Control Systems – Setting Controller Action
Terry Blevins and Greg McMillan
The process gain may be negative or positive depending on the process design. To provide the correct response a feedback control block must take into account the process gain direction—whether to increase or decrease the manipulated input to correct for...
26 Sep 2011
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