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Understanding Servers, Converters and Gateways
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Ovation Blog:
2011 Emerson Exchange – Wireless Relief Valve Monitoring is Now Possible
Jim Cahill
Wireless devices are finding their way into more and more applications. The abstract from this session is: Monitoring of relief valves is a challenge, detecting when they are “simmering”, or have lifted-off, or if after a lift-off did they re-seat fully...
25 Oct 2011
Ovation Blog:
2011 Emerson Exchange Day 1 Recap
Jim Cahill
Here’s a recap of some of the articles, community posts, tweets, and videos coming from Day 1 of the Emerson Exchange. ControlGlobal.com headlines from Monday: Emerson Takes Aim at Industrial Energy Use Emerson Building Trust, Investing in Technology...
25 Oct 2011
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
Ovation Blog:
Advanced Biofuels: Why Feedstock Neutrality Matters
Jim Cahill
Should we be picking the winning alternative energy feedstocks right now? Emerson’s Douglas Morris explores this question in today’s guest post. I’d like to start this blog post with a question: When you hear the term biofuels, what typically comes to...
30 Sep 2011
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
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
DeltaV Blog:
Batch vs. Continuous Control and Optimization – Part 3
Terry Blevins and Greg McMillan
Reactors are the pivotal unit operation that sets plant capacity and efficiency besides product quality. Reactors provide good examples of the common and distinctive opportunities for the PID control of batch, fed-batch, and continuous unit operations...
23 Sep 2011
DeltaV Blog:
Commissioning Control Systems – Selection of Control Structure
Terry Blevins and Greg McMillan
Most control systems allow the user to pick the components, also known as the structure of the PID algorithm, that will be used in a control application. In some cases, this is done by providing different control blocks for P, PI, or PID. However, some...
19 Sep 2011
DeltaV Blog:
Batch vs. Continuous Control and Optimization – Part 2
Terry Blevins and Greg McMillan
Batch and continuous temperature loops can have vastly different responses. Fortunately, temperature loops have a characteristic early in the response that enables a fast identification of the process dynamics. The resulting models can be used for process...
16 Sep 2011
DeltaV Blog:
Press Release: Hanwha Chemical selects Emerson to automate arthritis drug production facility
Larry Griffin
DeltaV system will automate manufacturing process and facilitate rapid commercialization of product for high consumer growth sector AUSTIN, TEXAS (September 15, 2011) — Hanwha Chemical has selected Emerson Process Management to supply and commission its...
16 Sep 2011
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