The accumulated time of a TOF timer is reset by causing the rung to go true momentarily.
Correct Answer:
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Q2: A RES (reset) instruction must be used
Q3: For the timer relay contact shown, when
Q4: A TOF timer starts to accumulate time
Q5: For the timer relay contact shown, when
Q6: For the timer relay contact shown, when
Q8: Timers can be retentive or nonretentive.
Q9: The retentive timer reset (RES) instruction is
Q10: When a time-delay period longer than the
Q11: Timer instructions are found on all PLCs
Q12: An alarm is to be switched on
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