In late March, the ISA Oakridge Section in Knoxville, TN hosted a meeting around the topic of metrology and how to choose a Calibration provider. They invited speaker Mike Duncan to share his expertise on the topic. We were lucky to get the link to his presentation and wanted to share it with you. Summary [...]
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Scholarships for Process Measurement & Control Students
Are you an engineering student studying process measurement and control? Or perhaps know of one? ISA’s Process Measurement and Control Division (PMCD) is pleased to offer scholarships for deserving college and university students for the 2012 – 2013 academic year. To be considered, the application and associated documents must be postmarked no later than 15 [...]
Schooling to Become a Control Systems Engineer
Jim Cahill posted an interesting question today on Twitter from a Jeremy Salmon, a BYU student. He wanted to know: I reached out to some folks in the Automation Federation (AF) who have been working on standardizing Automation-type curriculum to universities, colleges, and high schools. They created the Automation Competency Model to help shape [...]
Enhance your skill sets with ISA technical training and resources
Opportunity abounds for career-oriented automation professionals who want to enhance and develop technical knowledge and professional skills, especially when these skills can lead to higher wages, elevated workplace status, peer recognition, and so on. For many, however, the challenge is getting started. A wealth of information, training programs, and other technical resources are readily available [...]
Web Seminar: Key benefits of temperature control solutions – 22 February
Please join me for the Temperature Control Solutions Web Seminar – 22 February This comprehensive 90-minute Web seminar offers a concise summary of the most important aspects of temperature control solutions including the considerations in valve and measurement selection and installation. The first 2 sites to sign up will get a free copy of my [...]
Web Seminar: Key benefits of pH control solutions – 15 February
Please join me for the pH Control Solutions Web Seminar scheduled on 15 February. This comprehensive 90-minute web seminar offers a concise summary of the most important aspects of pH control solutions including the latest developments in pH sensor and transmitter features. The first 2 sites to sign up will get a free copy of [...]
IEC 6-1131-3
The IEC (International Electrotechnical Commission) 6-1131-3 Standard is a widely recognized international standard for the programming of a PLC. How many ‘Graphical languages’ are there in the IEC 6-1131-3 ? a. 2 b. 3 c. 4 d. 5 The correct answer is A. They are Ladder Diagram (LD) and Function Block Diagram (FBD). Ladder Diagram [...]
A Little about Valves
What is Cv ? If you are a mechanic, you would probably say that it is the joints that are on a front wheel drive vehicle, however if you work in the field of process automation you might know that it pertains to control valves. Cv is the capacity of a control valve, or the [...]
Linear Relationships for 4-20 mA transmitters
Linear Relationships for 4-20 Transmitters A standard electronic pressure transmitter has a range of 50 to 250 psig (345 to 1724 kPa gage), and the pressure is 150 psig (1034 kPa gage), what is the output in mA? a. 4.0 mA b. 12.0 mA c. 13.6 mA d. 50.0 mA The formula I use [...]
Evaluation Question
An analog electronic d/p transmitter has an output of 4-20 mA which represents 0 to 100 gpm (0 to 378.5 lpm). On a properly calibrated transmitter, what is the output in gpm (lpm), if the transmitter output is 12 mA? a. 25 (94 lpm) b. 33.3 (126 lpm) c. 70.7 (267.6 [...]