Al Ain – United Arab Emirates
      ADSSC (Abu Dhabi Sewerage Services Company)
      Nael Energy & General Enterprises
Plant Specification:
      The Main Sewage Treatment Plant of Al Ain with an inflow of 85.000 m3/d located in the South West of Al Ain near the mountain Jebel Hafeet .
Scope of work:
      Software design , configuration, programming & commissioning
      SIEMENS PCS7 System
Architecture & IO Quantity:
    • The project includes upgrading of the main treatment plant in Al Ain. The plant control system comprises of 8 different areas controlled by main DCS system. The main control system is two SIEMENS AS417-4H, with 11 ET200M panels which have 3500 IO in total.
      • The remote IO racks are connected through 7km of redundant Profibus-DP fibre optic link.
    • Our control system communicates by Profibus-DP and Modbus with package subsystems in different areas in the plant. The operator stations are connected through industrial Ethernet to the control system.
Software Specification:

     • One PCS7 engineering station
     • Two redundant servers
     • 9 clients
     • One large screen
     • One Central Archive Server (CAS)