ADVANCED PLCS TEST 3 QUESTIONS
COMPLETE WITH VERIFIED ANSWERS
\.A _____ timer accumulates the total amount of time the instruction has been energized and
retains this value even when de-energized. - ANSWERS✔-retentive
\.The _____ timer instruction energizes its DN bit after its accumulated value is equal to its
preset value. - ANSWERS✔-Timer On-Delay
\.When the _____ timer instruction is de-energized, the timer increases the accumulated value
by the amount of time the instruction is de-energized. - ANSWERS✔-Timer Off-Delay
\.The RTO instruction requires a separate _____ instruction to reset its accumulated value. -
ANSWERS✔-RES
\.PLC programs can use timers as well as _____ to sequence events. - ANSWERS✔-Limit
switches
\.PLC time-driven sequencing program can be designed by using a(n) _____ of timer
instructions, with each instruction controlling an event. - ANSWERS✔-series
\.The CTU instruction increases its _____ by one each time the rung containing the instruction
goes from false to true. - ANSWERS✔-accumulated value
COMPLETE WITH VERIFIED ANSWERS
\.A _____ timer accumulates the total amount of time the instruction has been energized and
retains this value even when de-energized. - ANSWERS✔-retentive
\.The _____ timer instruction energizes its DN bit after its accumulated value is equal to its
preset value. - ANSWERS✔-Timer On-Delay
\.When the _____ timer instruction is de-energized, the timer increases the accumulated value
by the amount of time the instruction is de-energized. - ANSWERS✔-Timer Off-Delay
\.The RTO instruction requires a separate _____ instruction to reset its accumulated value. -
ANSWERS✔-RES
\.PLC programs can use timers as well as _____ to sequence events. - ANSWERS✔-Limit
switches
\.PLC time-driven sequencing program can be designed by using a(n) _____ of timer
instructions, with each instruction controlling an event. - ANSWERS✔-series
\.The CTU instruction increases its _____ by one each time the rung containing the instruction
goes from false to true. - ANSWERS✔-accumulated value
