Option 1: With a Toggle Switch Let’s consider a simple three-phase, 480V AC motor control circuit consisting of a contactor,…
A cascade control system typically consists of a primary or master controller that generates a control function that serves as…
Internally a PLC typically operates at 5 V dc. The external devices such as solenoids, limit switches, motor starters, etc.…
A computer is often used as part of a control system. The input data is typically from the operator’s commands…
The ladder diagram which is a special type of wiring diagram consists of two power rails, which are placed vertically…
Centralised control is usually carried out via computer software, having as inputs all the available sensors and producing signals for…
An actuator is normally controlled by the controller. The actuator, in turn, changes the output of an automated process. The…
PID Controllers can be applied successfully to most control problems in process control, electrical drive systems and servo mechanisms due…
Modbus is an open standardized communication protocol that was founded by Modicon. Initially it was designed for the communication among…
Access control methods are required in a network to ensure that only one user of the network is able to…
