Robotic stacker Siemens S7 to TIA Portal migration

Robotic stacker requires a control system upgrade from an existing legacy Siemens S7-300 PLC rack to TIA Portal. The scope covers hardware replacement, program migration, and full on-site commissioning. - Replace existing Siemens S7-300 rack including power supply, CPU, Profibus connections, and associated digital/analog I/O modules - Migrate existing control program and logic to Siemens TIA Portal - Rewire, terminate, and verify existing control wiring to the new PLC hardware - Perform I/O loop checking, functional testing, and stacker commissioning - Plan for 80 hours of work on site between 14 December 26 and 25 December 26