Question 1

The timer's delay time would equal the value in the ACC multiplied by the time base.

Accepted Answer

A) True 
 B)False

Question 2

A TON timer begins accumulating time when the rung conditions become true.

Accepted Answer

A) True 
 B)False

Question 3

Which instruction can best be used to turn an output coil on or off after the rung has been false for a desired time?

Accepted Answer

A)  RTO
B)  TOF
C)  TON
D)  TONFE) A) and D)
F) B) and C)

Question 4

A RTO retentive on-delay timer retains its ACC value even if:

Accepted Answer

A)  the rung goes false.
B)  the processor is placed in the program mode.
C)  power to the processor is temporarily interrupted.
D)  all of these.E) None of the above
F) C) and D) D

Question 5

A TOF timer begins accumulating time when the rung conditions become true.

Accepted Answer

A) True 
 B)False

Question 6

The timer tag name for the timer shown is:

Accepted Answer

A)  Diverter gate solenoid delay timer.
B)  Timer.
C)  Solenoid_Delay.
D)  either a or c.E) C) and D)
F) A) and B)

Question 7

The timer off-delay (TOF) instruction can be used to turn an output coil on or off after the rung has been false for a desired time.

Accepted Answer

A) True 
 B)False  True

Question 8

A TOF timer starts to accumulate time when the rung:

Accepted Answer

A)  makes a true to false transition.
B)  makes a false to true transition.
C)  when the done bit is set to 1.
D)  when the done bit is reset to 0.E) B) and C)
F) A) and B)

Question 9

The delay time of the timer shown would be:

Accepted Answer

A)  3000 seconds.
B)  300 seconds.
C)  30 seconds.
D)  3 seconds.E) A) and B)
F) B) and D)

Question 10

A TOF timer starts to accumulate time:

Accepted Answer

A)  when the rung makes a true to false transition.
B)  when the rung makes a false to true transition.
C)  when the done bit is set to 1.
D)  when the done bit is reset to 0.E) B) and C)
F) A) and D)

Question 11

The RTO timer's ACC value is reset to zero by a:

Accepted Answer

A)  RES instruction with a different tag name.
B)  RES instruction with the same tag name.
C)  true to false transition of the timer rung.
D)  false to true transition of the timer rung.E) A) and B)
F) A) and C)

Question 12

The RES instruction is used to reset a timer's accumulated value.

Accepted Answer

A) True 
 B)False

Question 13

The time increment used in CLX timers is milliseconds.

Accepted Answer

A) True 
 B)False

Question 14

For timer structure shown, which member specifies the value the timer must accumulate to reach the desired time delay?

Accepted Answer

A)  PRE
B)  EN
C)  ACC
D)  TTE) A) and D)
F) B) and D)

Question 15

For the timer structure shown, which member indicates that a timing operation is in process?

Accepted Answer

A)  PRE
B)  ACC
C)  DN
D)  TTE) B) and C)
F) All of the above

Question 16

The timer address in the ControlLogix controller is a predefined structure of the TIMER data type.

Accepted Answer

A) True 
 B)False

Question 17

The timer tag name for the timer shown is:

Accepted Answer

A)  TOF.
B)  Timer.
C)  Sample.
D)  Sample_TOF.E) B) and D)
F) A) and B)

Question 18

Timers are used to:

Accepted Answer

A)  turn outputs on and off after a time delay.
B)  turn outputs on or off for a set amount of time.
C)  keep track of the time an output is on or off.
D)  all of these.E) A) and D)
F) All of the above D

Question 19

The TON instruction produces an off-delay timer.

Accepted Answer

A) True 
 B)False

Question 20

The on-delay timer (TON) is a retentive timer.

Accepted Answer

A) True 
 B)False

Exam 15: Programming Timers

The timer's delay time would equal the value in the ACC multiplied by the time base.

Correct AnswerverifiedShow Answer

A TON timer begins accumulating time when the rung conditions become true.

Correct AnswerverifiedShow Answer

Which instruction can best be used to turn an output coil on or off after the rung has been false for a desired time?

Correct AnswerverifiedShow Answer

A RTO retentive on-delay timer retains its ACC value even if:

Correct AnswerverifiedD

A TOF timer begins accumulating time when the rung conditions become true.

Correct AnswerverifiedShow Answer

The timer tag name for the timer shown is:

Correct AnswerverifiedShow Answer

The timer off-delay (TOF) instruction can be used to turn an output coil on or off after the rung has been false for a desired time.

Correct AnswerverifiedTrue

A TOF timer starts to accumulate time when the rung:

Correct AnswerverifiedShow Answer

The delay time of the timer shown would be:

Correct AnswerverifiedShow Answer

A TOF timer starts to accumulate time:

Correct AnswerverifiedShow Answer

The RTO timer's ACC value is reset to zero by a:

Correct AnswerverifiedShow Answer

The RES instruction is used to reset a timer's accumulated value.

Correct AnswerverifiedShow Answer

The time increment used in CLX timers is milliseconds.

Correct AnswerverifiedShow Answer

For timer structure shown, which member specifies the value the timer must accumulate to reach the desired time delay?

Correct AnswerverifiedShow Answer

For the timer structure shown, which member indicates that a timing operation is in process?

Correct AnswerverifiedShow Answer

The timer address in the ControlLogix controller is a predefined structure of the TIMER data type.

Correct AnswerverifiedShow Answer

The timer tag name for the timer shown is:

Correct AnswerverifiedShow Answer

Timers are used to:

Correct AnswerverifiedD

The TON instruction produces an off-delay timer.

Correct AnswerverifiedShow Answer

The on-delay timer (TON) is a retentive timer.

Correct AnswerverifiedShow Answer

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D

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True

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D

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