A lication Areas 　　　　--------------------------------------------------------------------------------　　　　The P-NET Fieldbus has been used for many years, and more than 5000 a licatio  are now in operation worldwide. A licatio  range from simple i tallatio  with a few I/O points, to very large and complex i tallatio  using many thousand I/O points.　　　　P-NET a licatio  are found in the proce  industry environment and in discrete parts manufacturing plants.　　　　The following typical examples show where P-NET is currently i talled and ru ing: Dairies, breweries, environmental control in agriculture, animal feeding systems, a halt and concrete production, textile industry, milk/oil/fertilizer distribution trucks, quality control systems, power plants, solar power plants, plastic moulding, ship engine control, tank management/alarm systems (a roved by German Lloyd, Bureau Veritas, Norske Veritas, Lloyds Register of Shi ing), data acquisition, water su ly, building automation, fuel management systems, (a roved as legal for trade by PTB, NMI, NWML, ...).　　　　The typical P-NET a lication requires re o e times measured in ms, and a bus length up to one km or more. There are other types of a licatio  which demand a re o e time measured in ìs. For these a licatio  P-NET is not a ropriate.