Explain why you must use a high-impedance meter to test voltage readings on PLC input circuits.
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Q5: At the end of the start-up procedure,
Q6: Each time an input device is closed,
Q7: There are three methods used to test
Q8: The first step in the start-up procedure
Q9: For outputs that can be _, be
Q10: Explain a method of testing inputs other
Q11: Explain what must be checked even before
Q12: The electrician and/or technician should be aware
Q13: During start-up, you should ensure that all
Q14: Careful start-up procedures are necessary to prevent
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