Build a new AS (using S7-1500 CPUs) and a new OS stack (WinCC Unified). Use an OPC UA Gateway to let the old PCS7 v7.1 system bridge data to the new system during cutover.
Continuous Function Chart (CFC) & Sequential Function Chart (SFC):
Software update from PCS 7 V7.1 SP1 to ... - Support - Siemens
Notably, this version served as a transitional bridge—it offered limited but functional support for early PROFINET, though PROFIBUS remained the deterministic backbone.
Build a new AS (using S7-1500 CPUs) and a new OS stack (WinCC Unified). Use an OPC UA Gateway to let the old PCS7 v7.1 system bridge data to the new system during cutover.
Continuous Function Chart (CFC) & Sequential Function Chart (SFC): Simatic PCS7 v7.1 SP1
Software update from PCS 7 V7.1 SP1 to ... - Support - Siemens Build a new AS (using S7-1500 CPUs) and
Notably, this version served as a transitional bridge—it offered limited but functional support for early PROFINET, though PROFIBUS remained the deterministic backbone. though PROFIBUS remained the deterministic backbone.