What is the purpose of a Programmable Logic Controller (PLC) in automation?
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PLCs control machinery and processes automatically based on programmed instructions.
Which device is used to convert analog signals to digital in control systems?
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An Analog-to-Digital Converter (ADC) transforms analog input to digital signals.
What is a sensor’s role in an automated control system?
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Sensors detect physical conditions and provide feedback for control.
Which control system type uses feedback to maintain desired output?
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Closed-loop systems adjust based on output feedback to maintain control.
What is the function of an actuator in automation?
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Actuators convert control signals into mechanical movement.
Which protocol is commonly used for communication in industrial automation?
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Modbus is a widely-used communication protocol in industrial control systems.
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What is 'hysteresis' in control systems?
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Hysteresis is the lag between input and output responses in a control system.
Which type of logic uses binary signals for decision making?
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Boolean logic uses true/false (1/0) signals for control decisions.
What does a Human-Machine Interface (HMI) allow operators to do?
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An HMI enables interaction between operators and control systems.