Open PLC physical addressing with raspberry pi 5 and Sequent Industrial Hat

[mneave]

Hi there,

I have trialled a simple pushbutton ladder logic script through openPLC editor from a suggested example, but I get stuck when it comes to physical addressing. On the open PLC website it does not specifically say Sequent addressing but I assume it is the stand %XI0.0 for digital inputs, %QX0.0 for digital outputs, %IW0.0 for analogue in and %QW0.0 for analogue out.



When I run the program through openPLC runtime, it all compiles fine and starts the PLC but doesn't show my LED lighting up the values changing in the monitor window. I have selected the Sequent hat as hardware.

Using Megaind I have been able to successfully test all the functions I want to use.

 

[alexburcea]

Hi,

I think you are on a little wrong path here. You need to place the Industrial module then connect these contacts and relays to his inputs and outputs. The Industrial module is not in your PLC program if you do not place an instance of it here in the editor.
The industrial module is not connected on any of the hardware addresses you mention if you did not connect it explicitly. Attached is a project that you can use as a reference.

 

[mneave]

Ahh ok so I need to pull in this block each time a make a script to define I/O's?

Would I need to copy this block into each script or is it available for entry from a library through the editor?

 

[alexburcea]

you can do it in the editor.

 

[mneave]

Ok I can't see this in my editor library, do I need to import some how?

 

[alexburcea]

Once you create a project you should see the libraries window, if not search it on the menus.

 

[mneave]

Ok I am in a project I have created but what you see in your library is not available for me:

 

[alexburcea]

What is your editor version?

 

[mneave]

 

[alexburcea]

Get the last one.