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
Control Systems
We have the largest collection of Industrial Control Systems articles like industrial automation, Distributed Control Systems (DCS).
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
Animation of Electromagnetic Relay
When a voltage is applied to the coil, a current passes through it and this creates a magnetic circuit which
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
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
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
Process Interlocks and Trips
Process Interlocks and Trips prevent those control actions which might initiate a hazard from being undertaken by an operator or process control system
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
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
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 to allow.