Published by Sergio Daniel Castañeda Niño on Mar 25, 2024

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About PLC Ladder Simulator

1. PLC Ladder Simulator 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.

2. PLC Ladder Simulator is a simulator for the Android operating system with input and output objects that simulate the I/O ports of a real PLC.

3. You can used PLC Ladder Simulator to create ladder-logic diagrams using components from the standard set used in these diagrams.

4. Ladder logic diagrams were developed originally from relay-circuit diagrams that were used for electronic circuitry prior to the advent of PLCs.

5. Ladder logic is graphical, in that it can be laid out in a form that resembles a ladder with rails and rungs.

6. The app writes a code into the Arduino by using an USB OTG cable or a Bluetooth module.

7. So actually what it does is that transforms an Arduino into a PLC (Programmable Logic Controller).

8. To ensure the possibility that the app works on your device, follow the example in the video tutorial.

9. In industry the PLC is the most important automation device because of its role as the brain in running industrial processes.

10. This brain uses a syntax to be able perform tasks in an orderly, sequential manner.

11. The Arduino mode it's compatible with the Arduino UNO (atmega328) and the M5Stack ESP32.

PLC Ladder Simulator Customer Insights

1. When I want to open the design and select auto save design then the app log out.... Why🙄😬its good aplication and very usefull, its very helpfull, you can learn plc in everywhere without need to carry your laptop, just need your phone,its like playing game on your phone 😁Going to check.

2. Shame, because its fun to play with.Good app for minior programing but im currently learning s7 programing and its missing a few key components like flip flops and counters also could use more imputs at least 2 bits worthSuperb app for learning, visualising and developing ladder diagrams.

3. does not explain how to use it and is very difficult to get work done fast.Good app, should be able to add more conditions before the timers.

4. I'm good with relay logic, so this transition to plc ladder logic was quite easy.

5. provide the possibility of moving contacts horizontally in edit mode.Could you please add a repeating timer to the program.

6. I'm going to learn the other wonderful functions that ordinary relays just can't do.

7. I am downoading and same time giving 5 stars just for development such kind of application even if it is not perfect.

8. The freeware is feature rich.don't get this if you are learning or are not already fluent with this specific app.

9. Good luck!!!Horrible.

10. I use Rslogix 500 without any problems, but with this one I cannot even insert a stupid rung.

11. I've only started with basic timers, compares and switches.

Steps to Troubleshoot & Fix PLC Ladder Simulator Issues

1. Fix PLC Ladder Simulator Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart PLC Ladder Simulator: Restarting the app will resolve most errors.
  2. Update the PLC Ladder Simulator App. Here is how:
    1. On Android goto PlayStore » Search for "PLC Ladder Simulator" » Open PLC Ladder Simulator » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for PLC Ladder Simulator » click "UPDATE".
  3. Clear PLC Ladder Simulator app cache: Clearing cached data will force your app to retrieve the latest data directly from PLC Ladder Simulator servers.
    1. On Android, goto Settings » Apps » Select "PLC Ladder Simulator" » click Storage » click "Clear Cache".
  4. Check PLC Ladder Simulator app permissions. If any of these permissions required to use your device's features are disenabled, PLC Ladder Simulator might not work.
  5. Uninstall and reinstall PLC Ladder Simulator. If nothing else has worked, completely uninstall PLC Ladder Simulator then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing PLC Ladder Simulator not working


2. Fix PLC Ladder Simulator Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make PLC Ladder Simulator be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to PLC Ladder Simulator not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, PLC Ladder Simulator may not be able to connect to the Internet when running in the background.

Reported Issues

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