Electrical and Computer Engineering Homework Solutions
Problem
#4364

PLC- a Ladder diagram is required for the PLC program described below

Draw the ladder daigram for the following PLC program

A batch process- which invloves filling a tank with liquid, mixing the liquid and draining the tank, is automated with a PLC. The specific sequence of events is as follows:
When the start push button is pressed,
a fill valve V1, opens and lets a liquid into the tank until it is full.
The liquid in the tank is mixed for 3 minutes by running an agitator (motor).
A drain valve V2 opens and drains the tank.

note no specialised software is available to view the diagram, so please paste it into word or something, thank you

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