• PLC Ladder Simulator Pro 1
  • PLC Ladder Simulator Pro 2
  • PLC Ladder Simulator Pro 3
  • PLC Ladder Simulator Pro 4

PLC Ladder Simulator Pro

In the industrie the PLC is the most important device because of is role, it's the responsible of all the process in the automatization industry, in other words is the brain. But this brain doesn't work if there's no tasks to do, so the PLC need some kind of code or language that it understand in order to do some tasks.One of the languages that the PLC understand is the Ladder Diagram, this is a graphic language that represents the logic of relay circuits.
PLC Ladder Simulator is a simulator for the Android OS with input and output objects that simulates the I/O port of a real PLC. You can create your designs with the basic components of a ladder diagram, which are five for this version: normally open gate (N.O.), normally closed gate (N.C.), Coil, Counter and Timer.

PLC Ladder Simulator PRO features an unique option available in the world and it's the possibility of program an Arduino board with a ladder design using an Android phone. So actually what it does is that transforms an Arduino into a PLC (Programmable Logic Controller). The app writes a code into the Arduino by using an USB OTG cable.

The Arduino mode it's compatible with the Arduino UNO (atmega328), MEGA (atmega2560) and NANO (atmega328). This feature is still in BETA version, may have some issues, please report any bug sending an email at: [email protected]



The Pro version features compared with the Free version are:


- NEW component: Counter.
- NEW component: Timer.
- Arduino mode
- 10 save slots for keep more designs with slot name customization.
- Auto-save slot.
- No Ads.

Tutorial on how to use the Arduino mode can be found at: http://casnisoft.co.nf/plcpro.html

Before you buy this version you can try the FREE version to ensure that your device is compatible.-> PLC Ladder Simulator: https://play.google.com/store/apps/details?id=com.casdata.plcladdersimulator

Category : Tools

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Reviews (28)

Fre. C. Sep 28, 2019     

It works on my old phone, Mi Pro (2016). Also, tested on servo position. Pls don't pair with arduino compatible or clone. Only original can work.

geo. a. Jan 19, 2020     

unable to add timers and counters in pro edition. when entering time in second's etc keyboard return key does not work. tutorials r poor. arduino firmware is good.

Awa. B. Jan 23, 2020     

It works very well. Very useful for teaching of PLC in class room. Very practical and very cheap.

Nat. P. Nov 3, 2018     

Promises great things... Yet i tied this app with 5 different controllers, it will communicate with them but wont upload a thing with no errors. -_- waste of time and money!

And. M. Feb 23, 2019     

It would be alot better if I could add contacts in a rung few steps up (in a rung with a TON) and if I could plase unassigned contacts to be edited later

mar. k. May 5, 2019     

i think app is good, could be better but is heading in good direction. waiting for app for iPhone.😀

Van. V. Feb 1, 2019     

The application is very useful and usable. In the event of a problem, I got a quick answer. It would be useful to add pwm. Recommendations for this application

Ovi. V. Jun 7, 2019     

This app does not work! I cant add a new add anything to the run or edit the original ones

sha. m. Jan 25, 2021     

I try to connect this app to my Android phone. It didn't work so kindly give me the solution.

Der. T. Apr 1, 2019     

Arduino code sometimes works as if previous code not fully cleared.

Moh. M. T. May 9, 2019     

hi there, i already purchased, but the apps shown no licence user. how to fix it?

Roo. M. Mar 12, 2019     

Great tool for teaching PLC fundamentals in a classroom.

vij. m. Jul 7, 2019     

Dear sir, I did one plc program simulation in above software and I tried to upload program in Arduino board but couldn't complated by me so now I need your help how to download the program and how execute the program I wait you valuable reply

Ain. U. Feb 25, 2020     

Helps in practicing basics of PLC programming with simulation

3. T. Jan 8, 2021     

nice application love it.

SUR. P. Nov 9, 2018     

I'm having a problem with this app. Every time I connect the app force closes. Please need help

ger. f. Dec 1, 2018     

Amazing app. Very helpful for diy projects.

Zak. A. Jul 6, 2018     

why not uploade program my Arduino board , everything connection is good

A. G. u. Jul 18, 2018     

Great app. Not too hard to use as long as you know about plc programming. The guy who wrote this is very smart and he is quick to answer questions. I know i will be using this app a lot. Awesome !!

Muh. s. f. Jul 10, 2018     

Really useful. Easy to understand and work well integrate with arduino uno. Thanks

Geo. G. Jan 4, 2018     

Still needs a little polish but overall considering the complexity of the undertaking a very impressive piece of work. For a simple project at least this has to be the simplest way of programming a microcontroller that there is, hence its use in industry. Please keep the updates coming I can't understand why some one has not done this before.

Mee. e. Dec 14, 2017     

Usefull app

Mit. Oct 10, 2017     

Sergio comes through. I had an issue with the app which rendered it totally useless. I emailed him, he fixed, now all seems to be good. Give the guy a chance to get things ironed out. This app has a lot of potential and Sergio seems to be dedicated to making it work for all of us..... Thanks bro 😎.... Much appreciated

Sha. M. Oct 15, 2017     

New update new problem add a sub rung on first rung then add sub rung on the next rung and the first rung moves out of position and the second sub rung disappears off screen and still loose any program saved in auto or empty slot I paid for this app thanking of a refund here

Dav. S. Sep 29, 2017     

Good app.... But need some improvement. Please add pwm instructions for servo and stepper motor running. After that good app as comparison to other apps I used ever.

Chr. J. H. Jun 26, 2017     

Great start, looking forward to where this app goes. Hopefully analogs and larger than bit variables can be introduced. Make sure to save and export a lot. Sometime the app drops the saved data

A. G. u. Sep 12, 2017     

Hello dev. I really loved this app. Bought it for the locked features. Can you add a new feature like LOAD to the CTUD. Also i need comparator functions. This is with reference with siemens plc as i am taking this course recently. Thank you.

Dav. W. Apr 20, 2017     

I want my 2f in $ back it just freezes I have an octa core and 3gRam on my Droid running Marshmallow. Freezes. I want a REFUN......