Profisolutions Automation Engineer Interview Questions and Answers for Experienced

Tank level control circuit can be executed using sensors, actuators, and a control system to maintain desired level of liquid in the tank.

• Install level sensors in the tank to measure the liquid level accurately.

• Connect the sensors to a PLC or controller to receive the level data.

• Program the controller to compare the actual level with the desired level and control the actuators accordingly.

• Use actuators such as pumps or...read more

Different types of signals include analog signals, digital signals, and mixed signals.

• Analog signals: continuous signals that vary in amplitude and frequency, such as sound waves

• Digital signals: discrete signals that have only two possible values, such as binary code

• Mixed signals: combination of analog and digital signals, commonly found in modern electronics