Building automation upgrade: control cabinets, field devices and connections

Summary

The City of Göttingen is procuring an upgrade of the automation system for the NSV4.1 area, including the screw-pump station, at the Göttingen wastewater treatment plant. The works include replacing the S7-400-based control equipment with an S7-1500 system, supplying and installing control components, field equipment and communication cabling, migrating the existing Step 7 program to TIA V21, and commissioning and testing the system using a reference list of approximately 275 data points. The existing S7-400 will temporarily remain only as an interface to the current process control system; renewal of that system is excluded. No lots are specified.