The GE Fanuc Series 90-30 PLC supporting software suite is a professional industrial programming and configuration platform tailored exclusively for the Series 90-30 modular PLC system. Centered on Logic Developer 90 (LD90) programming software, it integrates program editing, system configuration, online debugging, real-time monitoring, fault diagnosis and project management functions. The software supports standard IEC 61131-3 industrial programming languages, including Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), and Sequential Function Chart (SFC), covering all programming demands from simple logic control to complex process and motion control.