Which of the following is not true of HMIs?
A) They depend on external processors as they do not have their own.
B) Every graphical element can be interactive.
C) We can add a keyboard interface on the screen.
D) They are used in some teach pendants.
Correct Answer:
Verified
Q1: Which PLC company created the S5,Simatic S7,and
Q2: Which system uses G-code to control operation?
A)
Q3: What was the first PLC released?
A) Modicon
Q4: Which instruction looks for a 1 in
Q5: Which PLC company created the PLC-5,the SLC
Q7: The _ light,when solidly lit,indicates the processor
Q8: Which instruction has a DN bit?
A) XIC
B)
Q9: Which of the following is not true
Q10: What are smart relays?
Q11: Digital inputs have signals that are _.
A)
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