PLC Simulator Software

There are several PLC simulator softwares available for free download :

1. TRiLOGI PLC Simulator from

The “TRiLOGI” is a ladder+BASIC programming software for the E, H and M-series of PLCs. All TRiLOGI versions have built-in Simulator which allows ladder or ladder+BASIC program to be simulated on a PC without purchasing the PLCs. THis software is useful tool for learning basic PLC programming. Educational versions of the TRiLOGI software are free for download by completing form register. If you are using a fast speed internet connection from or somewhere similar then you will find it easy to download. In no time at all you can be using this new software.

Download      :     link

2. PSIM PLC Simulator from

PSIM is actually three distinct programs combined into a single package. First, PSIM contains a PLC Ladder Logic editor that allows users to create and edit PLC programs using Allen Bradley PLC-2 family instructions. Secondly, PSIM emulates the scanning sequence of a PLC. When placed into the “RUN” mode, the users program is scanned and the appropriate I/O is updated just as would occur in an actual PLC. Thirdly, PSIM contains a number of animated simulations which respond accurately to the inputs, and outputs of the emulated PLC. A conveyor based filling line, Traffic intersection and Batch mixing simulations present life-like challenges for the student programmer.

The PSIM software includes a full-featured built-in PLC emulator package that runs concurrently on the same computer with the Industrial applications software (simulations) described above.

With a single keystroke, the user may toggle back and forth between the display of the animated process simulation and the Ladder Rung Program Editor of the emulated PLC.

The Program Editor is both user friendly and full-featured. Students may add, delete and modify program-rungs, branches and instructions using simple menu selections.
To test the new or modified ladder program, a single keystroke toggles the student back to the Process Simulation screen and places the PLC in the ‘Run’ mode. The process simulation will then react accurately to the student’s newly programmed rungs which are constantly being scanned in the background by the PLC run-time emulator.

By incorporating the Editor and run-time scanning of a PLC into software capable of running and interacting with the industrial process simulations, PSIM provides a single computer hi-tech solution to Programmable controller student training, whether running on the network of a computer Lab, or on the users own laptop computer. The PSIM system allows a simple low-cost solution to PLC training while attaining superior student concept retention.


Industrial Applications Software (Simulations):
The PSIM software includes the following simulated processes:

(1) Automated filling system
* Operator Station Panel and controls
* Conveyor with position sensors (photo switch)
* Hopper with motorized chute control
* Product Level Sensor
* Conveyor Motor
* Visual PLC Data Table Display including timers and counters
(2) Batch Mixing system Simulation
(3) Intersection Traffic Light Control Simulation
(4) Hardware Input and Output Simulator

Download      :      link

3. LADSIM Simulator from

LADSIM is a fully functional ladder logic design and PLC simulation software program that incorporates the basic functions used in PLC ladder programming. LASIM utilises your existing PC turning them into virtual PLCs.

LADSIM includes a visual editing environment for graphical programming. A simple ‘drag and drop’ method is used to add functions to the ladder rung, and comments can be added to each rung for documentation purposes. LADSIM functions include inputs, outputs, timers, counters, flags and shift registers. An interactive debugger is included allowing the program to be fully tested before being used to control a specific application.

LADSIM incorporates eight internal simulations; Annunciator, Traffic Light, Car Park, Elevator, Drinks Machine, Packing Line, Bottling Plant, based on actual automated systems, and the Industrial Control Trainer (ICT3). Each simulation is designed to aid and test the student’s knowledge of programming in ladder logic.

LADSIM also has the ability to be connected to external devices through a suitable interface. A simulation is included of the Bytronic Industrial Control Trainer allowing students to develop the skills required to control an actual device. The student then moves on to control the Industrial Control Trainer through the real I/O capabilities of LADSIM. The internal simulations can also be controlled from a PLC, providing the student with the opportunity safely to test
their subsequent PLC programming skills.

Download      :      link

4. 505 Simulator

505 Simulator™ allows 505 programmers to program, run, and test 505 ladder logic, special functions, PID loops, Analog alarms, and simulated I/O without the use of a PLC. It is the only software of its kind available for Siemens 505™ PLCs. This demo software must be used in conjunction with PLC WorkShop for Siemens 505 v4.00 or higher.

505 Simulator seamlessly integrates with PLC WorkShop™ for Siemens 505 making it convenient to use. Testing and debugging 505 programs without such a tool would take days. With the simulator, these tests can be accomplished in minutes—without the need for expensive hardware.

When a program is online with 505 Simulator, the simulator responds in a similar manner to the type of PLC that is being simulated. Programs may be loaded, saved, edited, and executed while online with the simulator. In addition, the simulator allows the specific state that has been created to be saved.

505 Simulator offers:

* Step Debugging, controlled I/O simulation, and regression testing
* Logic simulation from any Siemens Simatic® / TI PLC with preset configuration for all 545 and 555 PLCs, 1101 – 1106
* Seamless integration with PLC WorkShop for Siemens 505
* Compatibility with Windows® 98, NT, 2000, XP, and Vista

Download     :     link

5. RSLogix™ PLC Trainer from

The PLCTrainer version 4.32 uses RSLogix ™ ladder logic look and feel and now includes analog instruction, an area that has been overlooked by most PLC training materials.  LogixPro ™, an ideal tool for learning the fundamentals of RSLogix ™ ladder logic programming.

The look, feel and operation of our ladder rung editor so closely mimics Allen Bradley’s latest software offering, that many need a second look to be sure who’s editor they’re using.

This “virtual PLC” environment or PLC Simulator allows the learner to apply the knowledge gained in The PLCTrainer without the expense of purchasing RSLogix or even a PLC.

This new PLC Training Software runs on  Windows ME, NT, 2000, XP and Windows Vista.  If your equipment has any of the following example Micrologix 1000, SLC 500 and PLC 5 PLC model numbers, you can benefit from this training. (all series 1747, 1771 and 1761)

1761-L10BXB, 1761-L32AWA, 1761-L32BWA, 1747-L20, L30, L40, 1747-L511, 1747-L521, 1747-L532, 1747-L541, 1747-L552, 1771-*, 1785-L20B, 1785-L30, 1785-L40, 1785-L60, 1785-L80 etc.

Download     :     link

21 thoughts on “PLC Simulator Software

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  2. dharmesh

    I am using windows 7 home premium 64 bit
    I tried all above PLC simulator soft but none are compatible with my system
    I am looking for demo version of PLC programming with simulator
    can you please send me any link?



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