OK thanks, we will include this in our next release

Hi, I don't know how you get the Top-Node ID on your OPCUA servers. With OPCWatch you can check and see it here:

If you leave Top-Node empty it should import all nodes and you will see it in Unity but this might take some time if there are a lot of elements in your OPCUA server.

I am sorry, we don't have any Mitsubishi PLCs here. We are not able to provide any kind of special Mitsubishi related knowledge.

Hmmm, this seems to be a bug. We will need to check on our computers.

Hi, currently we don't plan to deliver any special Mitsubishi interfaces. For the moment only OPCUA is an option. Do you know any special API from Mitsubishi we could use to connect to their controllers?

Hello, S7 200 is not supported. Best regards 

Hard to say where your problem is. But Input and Outputs are working if the inputs don't collide with a real hardware input. If you problem still exists please create a very simple example (S7 project and Unity project) and send it to us.

You can read inputs but if you use S7 TCPIP interface the inputs must be in a PLC memory area where no hardware is configured to. Otherwise the hardware input status will always overwrite what the S7TCP interface has written to the input.

It depends what you want to do. Because of Limitations in Unity PLCSim Advanced is a little bit more complicated (external coupling exe needs to be started). S7 Interface is easier and works on all Platforms. But with S7 interface you can't write to inputs where also a hardware is configured to.

You can't write on inputs which are configured in the hardware configuration like in a real PLC because the hardware status will overwrite / collide with your write.