Projects / Electrical / Electrical project 12

PLC and HMI Based Water Tank Level and Pump Controller

Approx. component budget: Rs. 8,000 - 14,000

Objective

Control a pump automatically by level, protect it against dry run and show tank status and pump hours on an HMI or SCADA screen.

What you will build

A water tank model with level sensors, a small pump, a mini PLC (or a PLC trainer) with ladder logic, an HMI or SCADA screen and a dry-run protection circuit.

Results you can expect

• Ladder program
• Level vs time graph
• Pump start/stop log
• Dry-run trip test
• Alarm display on the HMI

What you will learn

PLC programming, sensors, interlocks and basic SCADA, the entry point to industrial automation jobs.

Tools and notes

Mini PLC or software PLC, HMI/SCADA demo software, level sensors. Use low-voltage pump and keep electrics away from water.

Resume points from this project

• Built and tested PLC and HMI Based Water Tank Level and Pump Controller; objective: control a pump automatically by level, protect it against dry run and show tank status and pump hours on an HMI or SCADA screen.
• Measured and analysed ladder program and level vs time graph; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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