A human machine interface (HMI)
A) allows the user to monitor a process.
B) allows the user to control a process.
C) can provide a graphical representation of a process.
D) All of the above.
Correct Answer:
Verified
Q5: Which of the following is not an
Q8: The central processing unit
A)looks at the inputs,
Q28: Block No.2 of the PLC block diagram
Q30: The symbol Q31: The programming device: Q32: The control plan stored in the PLC Q34: Unlike personal computers,PLCs are: Q35: Programmable logic controllers are categorized according to Q36: At the start of the PLC scan Q37: Block No.1 of the PLC block diagram
A)is used to enter the
A)equipped with input and
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