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In TIA Portal, PLC development involves creating and configuring a PLC project, including the hardware configuration, programming, and testing. The PLC program is created using the STEP 7 Professional software, which is part of the TIA Portal suite. STEP 7 Professional provides a range of tools and functions for programming, testing, and debugging PLC programs.
HMI development in TIA Portal involves creating and configuring a human-machine interface for an automation system. The HMI is used to provide a user-friendly interface for operators to interact with the system, view process data, and perform control actions. TIA Portal provides a range of HMI tools and functions, including the WinCC (Windows Control Center) software, which is used to create and configure HMIs.

