Electrical EngineeringProgrammable Logic Controller Lab →List Of Experiments

Develop an application using Off-Delay Timer

1. Which bit of timer ensures that the timing process is over i.e. accumulated and preset time is equal
a) DN
b) EN
c) TT

2) Toff stands for
a) Retentive timer
b) On delay timer
c) Off delay timer

3) DN bit for Ton timer is initially high when the program is switched to run mode after downloading
a) True
b) False
c) Can’t say

4) Which of the following is not type of timer
a) CTU
b) RTO
c) TON

5) To stop the timer operation
a) The rung condition is made false
b) The done bit is set to low
c) The accumulated value is set to zero