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PLC Simulator - Sample Files

Description| Examples| How it works


Use the example files to go through pre built logic and learn the operation of the simulator.

Example 1 - Logic Gates

This logic in this file implements an AND gate and an OR gate.

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Logic Gates

Example 2 - Seal-in Circuit

This logic in this file implements the common latch or "seal-in" circuit shown in the figure below. This logic is used to run drives using push buttons. The circult "latches in" when the start push button is pressed and releases when the stop push button is pressed.

Seal in circuit

PLC logic


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Example 3 - Conveyor with warning siren

This logic in this file implements the logic used for starting a conveyor belt - like the ones in airports for luggage handling. Before the conveyor drive is started, a warning siren sounds for 5 seconds. The conveyor or siren stop whenever the stop button is pressed.

Download here.

PLC Simulator in Excel

Also See:

PID Loop Simulator

Alarm Circuit with Timer

Binary Coded Decimal (BCD) to 7 segment display circuit

Little Man Computer

Simulation of Pendulum Waves