S7-300 to S7-1200 G2 retrofit at a waste-to-energy plant
Waste-to-energy plant, Luxembourg · commissioned directly by the operator
- Starting point
- The central dust extraction system ran on an S7-300, operated via push buttons on the terminal cabinet. It had to be renewed without touching the hard-wired safety chain.
- Scope
- Retrofit to S7-1200 G2 in TIA Portal V21 with a Unified Basic panel, alarm system and manual operation agreed with the operating staff. Circuit diagrams updated in EPLAN, safety acceptance prepared as a structured record.
- Result
- Closed in July 2026 at the agreed fixed price, with seven days on site and operator training at handover.