PLC and Scada Engineer Interview Questions and Answers

SCADA systems are used for monitoring, controlling, and managing industrial processes through centralized systems.

• Monitor and control industrial processes in real-time

• Collect and analyze data from sensors and equipment

• Provide alarms and notifications for abnormal conditions

• Remote access and control of processes

• Historical data logging and reporting

• Examples: monitoring oil pipelines, controlling power plants, managing water treatment facilities

SCADA stands for Supervisory Control and Data Acquisition. It is a system used to monitor and control industrial processes.

• SCADA is a computer-based control system that gathers and analyzes real-time data from various sensors and devices.

• It is commonly used in industries such as manufacturing, energy, water treatment, and transportation.

• SCADA systems provide a graphical user interface (GUI) for operators to monitor and control processes remotely.

• They can collect data on param...read more

RF network communication is a wireless communication technology that uses radio frequency signals to transmit data between devices.

• RF network communication allows devices to communicate wirelessly over long distances.

• It is commonly used in applications such as remote monitoring, control systems, and IoT devices.

• RF signals can be affected by interference, obstacles, and distance, so proper planning and design are important.

• Examples of RF network communication protocols include...read more

PLC stands for Programmable Logic Controller. It is a digital computer used for automation of electromechanical processes.

• PLC is a specialized computer designed to control industrial processes.

• It uses a programmable memory to store instructions and execute them in a sequential manner.

• PLCs are commonly used in manufacturing, power plants, and transportation systems.

• They can be programmed to monitor inputs, make decisions based on logic, and control outputs.

• PLCs are reliable, r...read more