IoT connectivity is a hot topic, but it’s not a new idea, except for the “Internet” aspect. Industrial and some commercial applications have been connecting all sorts of sensors and transducers to ...

I'm trying to figure out a way to deal with a ground loop problem I have at home, this is 60hz mains hum that comes out of speakers, even when nothing is connected to the device besides power cable. I ...

The ProSense LPM1 series of loop panel meters offers a simple, low cost digital display of an analog 4-20mA signal. Models are available for mounting in a standard 1/8 DIN size panel cut-out with ...

The ITXPlus configurable loop-powered signal isolator from Weidmuller provides complete electrical isolation for control systems featuring a mix of inputs (see the figure). It can measure, filter, and ...

Current sources are widely used in industrial control systems to transport analog process signals over long distances, but they are less widely used than voltage sources. This post loosely reviews the ...

For the PDF version of this article, click here. Most offline and telecom power supplies need a method to isolate the relatively high input voltage from lower voltage outputs to provide safety, ...