1. Create a Ladder logic using below instruction - Function: A start, and a stop button is used for starting and stopping a motor. But make sure that the buttons can only start and stop the motor on a positive or rising edge. 2. Briefly explain how the traffic light are working using PLC Program for Traffic Light Control. Include a diagram to your explanation.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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1. Create a Ladder logic using below instruction -

Function: A start, and a stop button is used for starting and stopping a motor. But make
sure that the buttons can only start and stop the motor on a positive or rising edge.
2. Briefly explain how the traffic light are working using PLC Program for Traffic Light
Control. Include a diagram to your explanation.

Function: A start, and a stop button is used for starting and stopping a motor. But make
sure that the buttons can only start and stop the motor on a positive or rising edge.
Inputs:
Function
Start Button
Stop Button
Function
Motor
Hardware
Momentary Push Button (N.O.)
Momentary Push Button (N.C.)
Hardware
Motor Relay
Outputs:
PLC Address
Q0.0
PLC Address
10.0
10.1
Tag Name
START
STOP
Tag Name
MOTOR
2. Briefly explain how the traffic light are working using PLC Program for Traffic Light
Control. Include a diagram to your explanation.
Transcribed Image Text:Function: A start, and a stop button is used for starting and stopping a motor. But make sure that the buttons can only start and stop the motor on a positive or rising edge. Inputs: Function Start Button Stop Button Function Motor Hardware Momentary Push Button (N.O.) Momentary Push Button (N.C.) Hardware Motor Relay Outputs: PLC Address Q0.0 PLC Address 10.0 10.1 Tag Name START STOP Tag Name MOTOR 2. Briefly explain how the traffic light are working using PLC Program for Traffic Light Control. Include a diagram to your explanation.
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