An analog input or output is a signal that varies continuously within a certain range.
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Q6: Most PLC programming software will allow you
Q7: I/O modules are normally installed or removed
Q8: The maximum current rating for the individual
Q9: I/O modules are keyed to prevent unauthorized
Q10: Shielded twisted pair cable is used for
Q12: RAM memory is nonvolatile.
Q13: Electrical noise usually causes permanent operating errors.
Q14: The processor may perform functions such as
Q15: A nonvolatile memory will retain its programmed
Q16: Optical isolation used in I/O modules helps
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