Control Systems

Difference between DCS, PLC, and RTU ?
  • Control Systems

Difference between DCS, PLC, and RTU ?

One of the most common questions is regarding the difference between DCS and PLC as well as between PLC and…

9 months ago
  • Control Systems

What is Interposing Relay in a PLC System ?

Interposing Relay is the auxiliary relay which is used to isolate the two different systems / devices. This could be because they…

3 years ago
  • PLC Tutorials

Animation of Electromagnetic Relay

When a voltage is applied to the coil, a current passes through it and this creates a magnetic circuit which…

3 years ago
  • Control Systems

PLC Alarm and Trip Documentation

A vast amount of documentation is required for the design and construction of a process facility, which are front-end and…

3 years ago
  • Control Systems

Basics of Process Control Systems

The Process Control system may provide steady state or change of state (start-up, shutdown, batch) control functions. The latter may…

5 years ago
  • Control Systems

What is Alarm Management System ?

The purpose of alarm management system is to alert the operator to relevant abnormal operating situations. They include situations that…

5 years ago
  • Control Systems

Process Interlocks and Trips

Process Interlocks and Trips prevent those control actions which might initiate a hazard from being undertaken by an operator or…

6 months ago
  • Safety Instrumented System (SIS)

What is Safety Control System ?

A safety control system or device is deemed to be safety related if it provides functions which significantly reduce the…

5 years ago
  • Control Systems

What is Instrumentation Control System ?

An instrumentation control system is an electrical, electronic, or programmable electronic system (E/E/PES) which may perform some or all of…

5 years ago
  • PLC Tutorials

Setpoints and Alarms in Control System

Setpoints are selected with sufficient margin between the maximum operating limits for the process variable and the nominal trip setpoints…

6 months ago