Motor ON/OFF application using retentive timer and retentive timer instruction of the PLC.

Motor ON/OFF application using retentive timer and retentive timer instruction of the PLC.

Problem Description

Motor ON/OFF application using retentive timer and retentive timer instruction of the PLC.

Problem Diagram

The retentive timer is used to store the time in the application.This timer will be ON when input status changes from 0 to 1.

Here we used retentive timer for the application because we want to store the time or hold the timer.

Even if input signal state changes from 1 to 0 , time will not become zero but timer will accumulate the time.

And when delay is completed , motor will be ON.

In case of PLC take NO contact of the switch and provide retentive timer before output coil (here motor).

When we start switch retentive timer will be start and switch is OFF, it will accumulate the time.

And after delay motor will be ON.