WAGO RS485 Function Blocks not working

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I have a wago PLC and i try to communicate to a device through RS485 using the module 750-652.

I tried using the WagoAppCom library and came up with this code


But i always get errors regarding FB_init block. I though the instance would be automatically matched.

I still can't see how to resolve this as Wago library documentation is very poor and contains 0 examples.

Has anyone else solved serial comms problems?


Edited by AlexC

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