Instrumentation Technician Trainee Interview Questions and Answers

PID Controller is a feedback control loop mechanism used in industrial control systems.

• PID stands for Proportional, Integral, and Derivative.

• It continuously calculates an error value as the difference between a desired setpoint and a measured process variable.

• The controller then adjusts the process control inputs to minimize the error and bring the process variable closer to the setpoint.

• It is widely used in industries such as manufacturing, chemical processing, and power gen...read more