David Sellers, PE, Facility Dynamics Engineering, Portland, Ore.
Articles
Energy, Power
October 1, 2009
How to engineer 4-20 mA loops
This article discusses the what, why, and how of engineering with 4-20 mA loops. It is a summary of first two posts in a series on the topic that I started in April 2009 in my blog, "A Field Guide for Engineers."
By David Sellers, PE, Facility Dynamics Engineering, Portland, Ore.
Electrical and Power
September 1, 2008
Mentoring control engineers and technicians
I always open my classes with this question: How many of you are doing today what you went to school to learn to do? It's not unusual for less than half the class to raise their hands in response.
By David Sellers, PE, Facility Dynamics Engineering, Portland, Ore.