What is the function of an input signal conditioning unit?
a) To produce control signals
b) To amplify the signal and convert it into digital form
c) To perform mechanical work
d) To produce electrical signals
Answer:
b) To amplify the signal and convert it into digital form
Explanation:
Input signal conditioning devices amplify signals, convert them to digital form, and send the digitally conditioned input signals to digital control. Digital control generates control signals. Mechanical actuators are devices that execute mechanical tasks. Input sensors generate electrical signals.
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