Comprehensive Maintenance for PLC/SCADA/UPS System PROCESS: Membrane Bio Reactor Process Control and MonitoringPLC: ABB 800xA DCS Controller, Control BuilderSCADA: ABB Ability™ Distributed Control System 800xANetwork: Industrial Ethernet, RNRP | Redundant Network Routing Protocol Schneider PLC + GE Proficy iFix System Schneider PLC + Wonderware Intouch System Omron/Siemens PLC + Ignition SCADA System