Top Control Engineering articles, March 2012

The most-visited articles at during March 2012 included articles on salary survey, mobile applications for engineers, field device networks, project management, and energy savings, among others.


Most-read Control Engineering online articles for March 2012 at included articles on salary survey, mobile applications for engineers, field device networks, project management, energy savings, best products, I/O upgrades, among others. More about each article and links follow.

Control Engineering Salary and Survey, Advice - Career Update: The 2012 Control Engineering salary and career survey showed enthusiasm for automation, controls, and instrumentation professions. Pay is up, and survey respondents encouraged those interested in engineering to continue learning. Strategies for workplace success follow.[tt_news]=67023

Control Engineering Product Exclusive: CFE Media’s Apps for Engineers software is an “app of apps,” providing an interactive directory of approximately 60 mobile engineering-related software applications in various categories useful for Control EngineerinApps for Engineers - Product Exclusive: CFE Media’s Apps For Engineers Software Is An “App Of Apps,” Providing An Interactive Directory Of Approximately 60 Mobile Engineering-Related Software Applications Useful For Control Engineering, Plant Engineering, And Consulting-Specifying Engineer Areas Of Coverage.

Field device networking: Extending interoperability beyond devices - Testing Field Devices May Not Be Enough. Most Interoperability Problems Happen When A Device Tries To Communicate With A Host System, But That Can Be Addressed.

Nightmare Recovery - How To Avoid Nightmare System Integration Projects: When An Automation Project Is Far Astray, There May Be A Point Where You Must Call In Reinforcements To Clean Up Rather Than Scrap It. Here’s How To Recover From That Nightmare Project And What Signs Might Point To A Future Nightmare.

The Nissan manufacturing plant in Smyrna, Tenn., took advantage of PLC and HMI technologies already in place to improve and quantify plant energy efficiency. Courtesy: NissanNissan Plant Reduced Energy Expenditure 30% with Daily Power-Down Regimen - Industrial Energy Management: Accumulation Chain Conveyors, Overhead Lighting, And Compressed Air Are Among Areas Addressed.

2012 Engineers' Choice Awards: Winners - Subscribers voted on the best products in automation, control, and instrumentation, based on technological advancement, service to the industry, and market impact. Winners and honorable mentions were featured in the February 2012 issue.

Upgrading Legacy I/O Systems - When It’s Time To Modernize, Choosing The Best I/O Strategy And Supplier Is Critical For Both New And Upgrade Projects.

Selecting a suitable data coding mechanism considerably contributes to signal clarity and transmission reliability. This example depicts the coding mechanism used for AS-Interface. In step one, the NRZ raw data string is Manchester II coded, resulting inIndustrial Ethernet Signal Clarity - Best Practices And Latest Technologies Help Ensure The Information Received Over Industrial Ethernet Networks Represents The Desired Measurement Or Instructions. These Includes Proper Grounding, Cable Routing, Proper Shielding, And Cable Length.

Advanced process control in electric utilities - How Model-Based Predictive Control Can Optimize The Overall Steam Cycle And Burner Management.[tt_news]=67103

UML state models are an extended version of finite state models, which are diagrams containing states and events. This shows a simple nested state model for a device. Courtesy: Control EngineeringUML use cases, sequence diagrams: easily converted into executable code - Engineering and IT Insight: UML (Unified Modeling Language) is the language of software engineering, and State Models in UML are used to define internal logic. When state diagrams, use case diagrams, and sequence diagrams are combined with UML class diagrams they define a system, can be easily understood by non-programmers, and can be rapidly converted into executable code.[tt_news]=65831

And the next five were:

Control Engineering industrial wireless coverage

Control programming software strategies for industrial systems[tt_news]=63761

Are there too many industrial networking protocols?[tt_news]=66783

Advanced motor design: New Motors Reach New Applications[tt_news]=42948

Automation to go

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- Compiled by Mark T. Hoske, CFE Media, Control Engineering,

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