Preview Questions Software Developer (Industrial Automation) | Role Specific Skill

Question 1: What is the difference between a digital and an analog input in a PLC?

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Both handle binary signals

Analog signals have higher priority

No difference

Digital is binary, analog is continuous

Question 2: When integrating a new sensor type into an existing control system, what is the most important step to ensure system compatibility?

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Implementing a redundancy mechanism for the sensor

Calibrating the sensor and ensuring data format compatibility with the control system

Relying on automated sensor detection by the control system

Adjusting sampling rates to match the sensor's output frequency

Question 3: How can you ensure real-time performance in embedded applications?

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Employ efficient data caching

Increase processor speed

Optimize clock cycles

Use an RTOS

Question 4: How do you optimize power consumption in an embedded system?

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Increase data buffer size

Use low-power modes

Disable unused peripherals

Reduce clock frequency

Question 5: In an embedded system, what is the role of an analog-to-digital converter (ADC) in industrial automation?

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Converting analog sensor signals to digital form for processing

Generating PWM signals for motor control

Reducing power consumption by sampling analog signals

Improving the signal strength of digital communication

Question 6: Which metric is most commonly used to evaluate classification models?

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Silhouette Coefficient

F1 Score

Mean Absolute Error

R-Squared