Software that can simulate connection-programmed controllers?

Hello everyone, Do you know of any software that can be used to create/plan connection-programmed controls and then simulate them? I'm imagining a kind of "game" where you can wire and test contactors and pushbuttons, for example (similar to Fritzing). I would be very grateful for any ideas! greeting

What are the advantages and disadvantages of using an intranet compared to the Internet (VPS) in terms of scalability and availability of projects?

The boss wants to place web projects on the intranet to ensure data security. However, the project requires scalability and connectivity to other projects on the internet. The boss is concerned that data on a VPS could be hacked, but where is the guarantee that data on the intranet won't also be stolen? Connection to…

Ionos server status: “Configuring” for 2 days?

I rented a Linux Ubuntu XS server, connected via SSH, and tried to install Plesk using autoinstall, but it didn't work under IP:8433. So I thought I'd click Actions on the server and then click Reinstall or Reset. Why not clean everything up again? I thought wrong because In any case, I can no longer…