Latest HVAC Articles

The Aircore Heavy Duty redefines heavy-duty motors with its efficient, reliable air-core design using a PCB stator…

The Aircore Heavy Duty redefines heavy-duty motors with its efficient, reliable air-core design using a PCB stator yielding savings in material and energy costs for high-output applications.

Banner recently expanded their Snap Signal portfolio, adding the DXMR90-1XE series of industrial controllers, allowing…

Banner recently expanded their Snap Signal portfolio, adding the DXMR90-1XE series of industrial controllers, allowing for data transfer with up to four independent networks.

Beijer Electronics has released a new series of industrial-grade unmanaged switches that will replace the company's…

Beijer Electronics has released a new series of industrial-grade unmanaged switches that will replace the company's existing JetNet 3008 series. The new series includes models that support fiber optic connections.

The FS1B controller from IDEC simplifies installation without programming; simply wire and flip the DIP switches, and the…

The FS1B controller from IDEC simplifies installation without programming; simply wire and flip the DIP switches, and the FS1B will do the rest.

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices,…

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices, and are they supposed to be installed before or after a VFD?

A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the…

A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the current value can be calculated by measuring the voltage across the shunt.

Banner Engineering takes the complexity out of junction boxes with the new JB series I/O junction blocks, which have a…

Banner Engineering takes the complexity out of junction boxes with the new JB series I/O junction blocks, which have a number of available configurations and applications.

Weidmuller releases two new PACs in the u-Control series, capable of running widely used automation software and…

Weidmuller releases two new PACs in the u-Control series, capable of running widely used automation software and communicating to enterprise-level servers.

Since their creation, DC motors have become a part of our everyday lives. In this article, we’ll examine the…

Since their creation, DC motors have become a part of our everyday lives. In this article, we’ll examine the differences between various types of field-wound and permanent magnet DC motors.

Balluff's new IO-Link masters in Entry, Standard, and Advanced classes offer high performance, robust construction, and…

Balluff's new IO-Link masters in Entry, Standard, and Advanced classes offer high performance, robust construction, and advanced features.

Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn,…

Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn, can drive current on their own. That’s not always a good thing.

New updates to the VLT AutomationDrive EZ FC 321 VFD provide new communication protocols, condition monitoring and…

New updates to the VLT AutomationDrive EZ FC 321 VFD provide new communication protocols, condition monitoring and diagnostic functions, and algorithms for increasing energy efficiency.

Learn about various ways to activate directional control valves for fluids using manual input, air pilot sources, and…

Learn about various ways to activate directional control valves for fluids using manual input, air pilot sources, and electrical controls. Sometimes, valves even use a mix of multiple power sources.

Weidmuller has expanded its engineering services to simplify troubleshooting, installation, and interfacing between PLCs…

Weidmuller has expanded its engineering services to simplify troubleshooting, installation, and interfacing between PLCs and other hardware.

The PLC gets a facelift with the release of Beckhoff’s TwinCAT PLC++ platform that offers faster runtimes, rapid…

The PLC gets a facelift with the release of Beckhoff’s TwinCAT PLC++ platform that offers faster runtimes, rapid engineering project development, and an enhanced, user-inspired interface.

Voltage is a simple topic at the surface, yet also extremely complex, with thousands of scenarios involving the unseen…

Voltage is a simple topic at the surface, yet also extremely complex, with thousands of scenarios involving the unseen forces of electron flow all around us. These 7 facts might surprise you!

The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation…

The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation of most of the series, we look at the differences between SLC and modern Logix PLCs.

The new RSGT soft starter lineup from Carlo Gavazzi is designed to improve the start-up performance of IE3 premium…

The new RSGT soft starter lineup from Carlo Gavazzi is designed to improve the start-up performance of IE3 premium efficiency 3-phase motors up to 75 horsepower.

Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still…

Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still be confusing, misleading, or even hazardous if not properly understood.