Title :
Ensuring public safety in PLC controlled water treatment plants
Author_Institution :
Wessex Water Eng. Services, Bath, UK
Abstract :
Design methods are outlined which are thought to achieve a favourable balance between cost and risk in largely unmanned drinking-water treatment stations. A hardwired emergency shutdown system, software best practice, and telemetry to a central computing facility from more than 1500 sites are described.
Keywords :
SCADA systems; programmable controllers; public utilities; safety; telemetering systems; water treatment; PLC controlled water treatment plants; central computing facility; cost; design methods; hardwired emergency shutdown system; public safety; risk; software best practice; telemetry;
Conference_Titel :
Designing Safety-Critical Systems, IEE Colloquium on
Conference_Location :
IET
