If you absolutely need the legacy SR Modbus TCP DLL from specific OEMs (e.g., Solare Datensysteme), contact their support directly – they rarely host public downloads.
Happy coding, and may your coils stay true! Have a specific PLC model in mind? Mention it in the comments – I’ll point you to the exact DLL and sample code. sr modbus tcp dll download
Install-Package EasyModbus This automatically downloads the DLL and adds the reference. After install, you’ll find EasyModbus.dll here: If you absolutely need the legacy SR Modbus