PLCs have steadily increased their responsibility, at first replacing relay systems, then taking over process control and stepping in for motion control, according to Greg Meinert, PLC business manager for Siemens Energy and Automation. Now, by adding safety, PLCs are collapsing everything down to a single platform, Meinert says, reducing engineering, start-up and maintenance. Fail-safe CPUs execute both standard programs and safety functions. They also eliminate a need for separate safety PLCs. Read more about the company's programmable logic controllers at http://rbi.ims.ca/4915-515.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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