The type of timer program shown is a:
A)retentive on-delay.
B)retentive off-delay.
C)nonretentive off-delay
D)nonretentive on-delay.

Question

The type of timer program shown is a: 
A)retentive on-delay. 
B)retentive off-delay. 
C)nonretentive off-delay 
D)nonretentive on-delay.

Quizplus · Accepted Answer

The timer program shown is a retentive on-delay, as it retains the accumulated time whenever the input goes off and restarts timing when the input comes on again. The program uses an EN (enable) instruction to activate the timer and a TT (timer timed) instruction to accumulate time.

The Type of Timer Program Shown Is A