80+ PLC MCQ Questions
Prepare for exams with our collection of 80+ PLC MCQ questions covering programmable logic controllers, and automation concepts.
Control Systems
Proportional Integral Derivative Controllers – PID MCQ
Test your knowledge on Proportional Integral Derivative (PID) controllers with this question and answer MCQ article.
Split Range Control Working Principle
Split-range control is used when a single controller is employed to control two final-control elements (two valves for example). In
Why Offset in Proportional Controller ?
Proportional controller: With proportional band, the controller output changes in “proportion” to the error between process variable and set point.
What is Integral Wind Up ?
The PID controller plays a major role in controlling the process parameters in process industries. It consists of Proportional term,
What is PV Tracking ?
Setpoint Tracking (also called PV tracking): PV Tracking is An option on many controllers. When a control loop is in
PID Controllers with Output High Select Logic
The below figure 1 shows a typical control scheme with two controllers driving the same control valve via high select
Overview of Split Range Control
A very common control scheme is split range control in which the output of a controller is split to two
Why we use Diode Protection Modules ?
The Diode module can be used to 100% decouple two power supplies of the same type, which are connected in parallel
Process Control Fundamentals
Process Control In almost all industrial process applications, control of process variables is critical to the safe and efficient operation