18
Plant Data Source Options
¢SCADA/DCS
lProprietary
lDifferent
lCostly
lClosest to the plant
¢OPC
lOpen Standard
lSimple
l.NET and XML programmable
lCompatible
lStill close to the plant
lNeeds in-house programming
¢PI
lProprietary
lCostly
lNot ready yet
¢SAP