Question

Design a state-based PLC program to control a motor. The system specification is as follows. • Press a normally open push button, the motor will start. Motor stop will stop after 5 minutes or a normally closed push button is pressed. • When the motor is running, a read light is ON. When the motor is stopped, a green light is ON. • Use the ""Fail Safe"" concept, i.e., if the wire of stop push button is disconnected, the motor cannot be started. Complete the following: 1. Define the inputs, outputs and states of the system described above. 2. Design this process control using state diagrams. You are required to clearly express each state of the system and describe the conditions for state-transitions. 3. Create complete ladder logic for the system.

          Design a state-based PLC program to control a motor.
The system specification is as follows.
• Press a normally open push button, the motor will start. Motor stop will stop after 5 minutes or a normally
closed push button is pressed.
• When the motor is running, a read light is ON. When the motor is stopped, a green light is ON.
• Use the ""Fail Safe"" concept, i.e., if the wire of stop push button is disconnected, the motor cannot be started.
Complete the following:
1. Define the inputs, outputs and states of the system described above.
2. Design this process control using state diagrams. You are required to clearly express each state of the system
and describe the conditions for state-transitions.
3. Create complete ladder logic for the system.

Design a state-based PLC program to control a motor.
The system specification is as follows.
• Press a normally open push button, the motor will start. Motor stop will stop after 5 minutes or a normally
closed push button is pressed.
• When the motor is running, a read light is ON. When the motor is stopped, a green light is ON.
• Use the ""Fail Safe"" concept, i.e., if the wire of stop push button is disconnected, the motor cannot be started.
Complete the following:
1. Define the inputs, outputs and states of the system described above.
2. Design this process control using state diagrams. You are required to clearly express each state of the system
and describe the conditions for state-transitions.
3. Create complete ladder logic for the system.

Added by Alejandro W.

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