QW Controls

MOTORS AND CONTROL

We left off with the most basic objects in a control panel: relays, contacts, lights, push buttons and operator switches. But a panel just turning on a light is kind of boring. Control panels are usually used to control some type of motor. Motors, depending on what their type, can be controlled by multiple means.…
SCHEMATIC READING

To start, depending on where you live in the world, there are different symbols used in electrical panel schematics. The United States uses NFPA symbols while Europe uses IEC. With companies being global nowadays, it is not uncommon to see machines using prints from different regions. I will be focusing on NFPA due to the…
Electrical 101

by Josh Robertson SAFETY FIRST The first thing when it comes to electrical controls is your safety. Electricity will kill you. 0.1 amps is enough to stop your heart. Working in electrical cabinets, even the simplest ones with DC power supply can draw this easily. Checking voltages with a voltmeter goes a long way to…
The Beginning of Industrial Controls

Almost everything made in this world in made in an industrial environment. From packaged food, tools, appliances, automobiles, chemicals, and the packaging they come is made in an industrial environment. There is also the industries that do not produce anything but are out there ease of living like power plants, waste water, and water purification…

MOTORS AND CONTROL