Видео с ютуба Libnodave Library
Siemens Simatic S7-300 PLC and Delphi visualization (libnodave library)
Libnodave: install into Embarcadero RAD Studio
Communication with SIEMENS S7-300 PLC using free library libnodave and Delphi.
Communication with SIEMENS S7-1200 PLC using free library libnodave and Delphi.
How to Effectively Handle libnodave Error Messages in Delphi