Dedicated hardware is currently used at the Steinhof sewage treatment plant. The PCS 7 process control system is version 8.0 and has a redundant design as a process server pair. The telecontrol technology also consists of a redundant PCS7/Sinaut ST7cc process server pair. Operation is via multi-clients.

In the overall measure, both the PLS must be migrated to the latest version and the existing and new computers installed as virtual machines on several new virtualization servers.

Scope of PLS The list lists the virtual DCS components that are to be migrated or taken into account in the tender. Basically, it is about:

• 2 * OS process server pairs (2 pcs. telecontrol technology, 2 pcs. sewage treatment plant) • 3 * developer stations (2 pcs telecontrol technology, 1 pcs. sewage treatment plant) • 2 * ACRON server • JUNE5 internal server and web server in DMZ • 1 * OS-PCS7WebServer / OS-PCS7 operating station • 29 * OS-PCS7 operating station