Instrumentation maintenance engineer often hears about process value mismatch from field transmitter display reading and control room DCS/PLC reading. Generally…
DCS stands for Distributed Control System and PLC stands for Programmable Logic Controller. Do you know the Difference between DCS…
It would be difficult to chart a career course in the industrial process control field without being exposed to thermocouples.…
Difference between IS and Non-IS cables The IS and Non-IS cables are similar in construction like 1 pair, 2 pair…
How to create an instrumentation loop drawing, say for instrument air vessel? Piping and Instrumentation (P&ID) diagram shows the several…
Failsafe wiring practice is one of those topics that separates control system designers and electricians from other technical specialties. This…
Ina process plant, on/off control is done through the PLC or DCS. The below Figure is an overview of one discrete/digital…
Unlike the discrete/digital (on/off) circuit, analog signals vary across a range of voltage or current. Taking the same vessel described…
Logic circuits, whether comprised of electromechanical relays or solid-state gates, can be built in many different ways to perform the…
This article teach you how-to use normally-open and normally-closed for inputs in PLC program. Why PLC uses Normally-Closed contacts for…
