The deployment was successfully carry out in Sept 2009.
In this installation, S7-200 PLC act as a data collector, process control centre & interface device between 1 touchscreen + 1 SCADA workstation.
Communication between SCADA workstation ( at Main Control Room ) with S7-200 ( at Local Control Panel, WWTP ) is via WiFi.
This installation exibit the agile, compact & flexible features of low cost S7-200!