Industrial Automation Interview Questions

What is Modbus? What are the different variants of Modbus?  Modbus has several variants, each tailored to specific communication needs: How does Modbus communication work? What are the common Modbus function codes? Common Modbus function codes dictate specific actions in Modbus communication. Key ones include: What are holding registers and input registers in Modbus?  In …

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1.What are the major functions of a supervisory control system? A. There are three major functions for a supervisory control systems and they are Set point generation Process monitoring Operator interface 2.Explain automation ? A. Automation is a process that can reduce human efforts, we can see the use of automation in many industrial applications. …

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Define System. A system is a combination or an arrangement of different physical components which act together as an entire unit to achieve certain objective. Define Control system. To control means to regulate, to direct or to command. Hence a control system is an arrangement of different physical elements connected in such a manner so …

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