4. The time chart for two direction control traffic lights is shown below; write a PLC ladder program to achieve that. Use any type of timer instructions ( Red=north/south Green=north/south Amber=north/south Green=east/west Amber=east/west Red=east/west 25s 5s 25s 5s

4. The time chart for two direction control traffic lights is shown below; write a PLC ladder program to achieve that. Use any type of timer instructions ( Red=north/south Green=north/south Amber=north/south Green=east/west Amber=east/west Red=east/west 25s 5s 25s 5s

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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4. The time chart for two direction control traffic lights is shown below;
write a PLC ladder program to achieve that. Use any type of timer
instructions (
Red=north/south
Green=north/south
Amber=north/south
Green=east/west
Amber=east/west
Red=east/west
25s
5s
25s
5s

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