A microcontroller requires dc operating power in the 2 to 5.5V range, an amount that a battery or a secondary power source can easily supply. However, in certain situations, a microcontroller-based ...

For the PDF version of this article, click here. More than 80% of the motors bought each year continue to be low-cost single-phase ac motors. Because these motors are not very efficient when ...

Cirrus-6 can control and monitor tach pulses from up to six 12, 24 or 48 VDC fans with open collector or 0-12 VDC control signal requirements. The controller accepts fan speed commands (including ...

When implementing cooling solutions for electronic equipment, system designers are confronted with a complex set of variables. The cooling requirements are typically dynamic, and ambient temperatures ...

New, compact, and precise Danfoss Saginomiya XGE fan speed controllers can be used in the smallest refrigeration units to provide energy-saving and repeatable fan speed control as condensing pressure ...

The P266 condenser fan speed control is designed for single-phase permanent split capacitor motors used in a wide variety of outdoor low-ambient refrigeration and air conditioning condenser ...

It's not a necessity by any stretch, but Lutron's newest smart switch is still a welcome addition to a system that's already great. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

Proper selection of component fans used in HVAC equipment continues to be a primary consideration in strategies to increase cooling efficiencies in data centers. Newer fan technology and pending fan ...