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…
Internally a PLC typically operates at 5 V dc. The external devices such as solenoids, limit switches, motor starters, etc.…
RS-485 network is used in many industrial applications to gather data and control addressable motor drives, PLCs, cameras, time clocks,…
