The operation of a typical AM audio frequency signal is illustrated in the Figure 1.0 where vin is the modulated…
An induction potentiometer is a rotary type linear-variable inductor with two concentrated windings wound on the stator and on the…
What are Programmable Automation Controllers? Programmable automation controllers (PACs) are process controllers with an open configuration and possessing the enterprise…
A frequency meter/counter is a digital instrument that can measure and display the frequency of any periodic waveform. Its operation…
Edge computing can be defined as a distributed computing framework that brings enterprise applications closer to data sources like local…
Option 1: With a Toggle Switch Let’s consider a simple three-phase, 480V AC motor control circuit consisting of a contactor,…
Schottky diode is fabricated as a metal-to-N junction rather than a P-N semiconductor junction. Also referred to as hot-carrier diodes,…
A cascade control system typically consists of a primary or master controller that generates a control function that serves as…
The figure below shows the control schemes applied to a direct-fired process heater. Fig: Combustion & temperature control on direct-fired…
A key component of any motor control circuit is some kind of device to detect a condition of excessive overload…