Have you ever used OPC connectivity
Here there are two parts:
1.Standard ConnectPackage:Connect package of respective controller like AC800M Connect for 800M Controller,MOD300 Connect for AC460 etc these are ABB Standard connect we have to use these to connect to the respective controllers through OPC DA & OPCAE to get live values(data & Alarm/events).
2.Generic OPC:Is used to connect the third party OPC Client to read data & same can be used in control builder to implement logics using Property transfer definition.
Ex:PLC Connect it connects to third party PLC/RTU,3rd party OPC clients to get the data & if you want to use the same signals in control builder then you have to for the property transfer definition