What are the advantages of using a PLC over a relay-based control system?
A. PLCs are more reliable and easier to maintain
B. PLCs can be reprogrammed as needed
C. PLCs can handle multiple inputs and outputs
D. All of the above
Answer:D
What are the advantages of using a PLC over a relay-based control system?
A. PLCs are more reliable and easier to maintain B. PLCs can be reprogrammed as needed C. PLCs can handle multiple inputs and outputs D. All of the above
Explanation: PLCs offer several advantages over relay-based control systems. They are more reliable and easier to maintain, can be reprogrammed as needed, and can handle multiple inputs and outputs. This flexibility and adaptability makes PLCs a popular choice for industrial automation. PLCs also have more advanced features such as built-in memory, real-time clocks, and communication capabilities that are not available in relay-based systems.