When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

The project intends to create a sprinkler controller that can be used as an interface wherein system valves or zones will be managed. A perfboard with wire wrap for the control/logic portions can be ...

A new set of EDA tools from TriQuest Design Automation lets you design optimized on-chip controller circuits before synthesizing to the gate level. The tool set comprises the TriQuest Controller ...

Medium- and high-voltage systems that range from 9 to 72 V often require one or more of the following circuit capabilities: hot-swap control, circuit-breaker fault protection, and inrush current ...

H-bridge buck-boost ICs are widely used in applications requiring a constant voltage or current source even when the system ...

Per 2014 NEC Article 100, short circuit current rating (SCCR) is defined as: “The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected ...

Higher Capabilities for Safety-Rated Control Circuits A truly reliable safety control system must work even when some parts fail. Force-guided relays are unseen components that add another level of ...

GameSpot may get a commission from retail offers. Mad Catz has a new controller on the market that promises to marry customization with solid construction in a package suitable for competition on a ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...