1)What is the correct connections to the three connections(+24V,M,-24V)
a)The incoming connections(0-10V,0-24V)
b)The outgoing connections and what is expected(0-10V,4-2-mA)
2)Can the CT be connected directly to a PLC if the output is either 0-10V or 4-20mA.
From BusinessWeek:
President Barack Obama proposed today almost doubling the airwaves available for smartphones, laptop connections to the Internet and new wireless devices. Obama signed a memorandum that commits the U.S. to free up 500 megahertz of government and commercial spe
You have a 100-gallon commercial water heater. To provide for the expulsion of any overflow water due to the rare tripping of either the over-temperature relief valve, or the over-pressure relief valve (same 3/4" exit pipe), you have two choices.
1. Provide a floor drain with a trap, con
From SPACE.com:
An alien planet that is only eight times the mass of Jupiter has been confirmed orbiting a sun-like star - over 300 times farther from the star than Earth is from the sun.
Read the whole article
From Popular Science - New Technology, Science News, The Future Now:
Cleaning up space junk, conducting climate research and forging international celestial harmony are the hallmarks of President Obama's new National Space Policy (PDF), unveiled Monday. Parts of the plan had been e
From Popular Science - New Technology, Science News, The Future Now:
When you think about it, it's ridiculous to spend the effort lugging around spare batteries, hand-cranked chargers, piezoelectric gadgets, and all the other half-baked solutions we depend on to resuscitate a dead
What is/are main difference(s) between those two? Would it be the number of protection applied and/or dangerous limits that might cause hazard?
Ready to fly away from your cubicle yet? Ron Darner, a longtime CR4er who serves as the newsletter editor for Chapter 320 (Watertown, Wisconsin) of the Experimental Aircraft Association (EAA), has offered to take us on another virtual aerospace tour. So fasten your seatbelts, folks.
From Wired Top Stories:
Racetracks pretty much look the same from the grandstands or on television — a vast expanse of asphalt on which drivers do battle. Seen from space, though, you can appreciate their form and the skill it requires to drive them at the limit. Here are
This is just a way of picking your brains, I am about to venture into Driver Education,(again)
Have you any novel ideas
Please tell me what you found useful or not
1 To train/guide people in the learning process
2 Enable them to pick up spatial awareness skills.
I need some ideas to do a mini-project
From Technology Review RSS Feeds:
Computers often need to be connected to printers, cameras, and USB flash drives and other hardware, but the small pieces of software that enable communications with these peripherals, known as "device drivers," have a bad reputation. Experts believ
What the term slow start in electrical studies? Anybody have an idea?
What does a 180 amp-hour battery means does it supply 180 amp continuously for an hour? If yes what happens if more load is connected?
From CNET News.com:
This 4th of July weekend, you might, either at its beginning or its end, find yourself wishing your car could fly. Thanks to a new FAA decision, this wish might seem slightly less Peter Pan and slightly more Peter Perfect. It seems that the soaring minds
DARPA plans to harness clusters of less expensive, smaller modules that are wirelessly connected in space, without sacrificing military effectiveness. The agency seeks a third party partner to develop a payload spacecraft module to test the F6 concept on-orbit. Just how feasible is this project?
Th
A recent ASME survey revealed a sharp divide in how engineers view "sustainable manufacturing." Some see sustainability as a buzzword rather than a valid business mindset. Others see great value in changing practices to use fewer non-renewable resources and changing their company attitude toward con
Can any scholar tell me how could someone earth without copper, coal, salt its a question asked by my friend.
How many 2 ton AC does a 125kva gen. Set can power?
We have an Induction motor (7 KW, 400 V, 50 Hz, Delta, 15.5 A, P.F 0.75, 1465 RPM ) driving a conveyor belt. Motor is connected to the VFD ( ACS-800-01-0016-3, 8.1 KW, 3 X 400 VAC, 12 A, 50 Hz). Some values taken from the LCD of VFD at different times at different load
Power (in Percentage) Cu