The integration of 7 sewage pumping stations into the present system was successfully completed. A S7-1200 was used as PLC. Planning, switch cabinet construction and measurement technology were delivered by INAUT. Additionally the integration into the present HMI-system (WinCC OA) of the sewage plant and the assembly of the switch cabinet as well as the measurement technology were part of the order. The first electrical inspection of installations was carried out also.