PLC: Case study 2

Problem:  Develop a program with two motors and relay. Conditions are, motor-2 will be run after a given time when motor-1 starts and both motors will be stopped when one stop signal given.

 Solution:

Situation-1: Both motors stopped

Situation-2: Motor-1 start signal given

 

Situation-3: Motor-1 running and timer counting

 
 

Situation-4: Motor-1&2 running

Situation-5: Both motors stopped when stop signal given