Live Mapping Model in OPC Data Client

The live mapping development model allows you to write objects that correspond logically to a functionality provided by whatever is “behind” the OPC data. For example, if part of your application works with a  boiler, it is natural for you to create a boiler object in the code. You then describe how your objects and their members correspond to OPC data - this is done using attributes to annotate your objects. Using Live  Mapping methods, you then map your objects to OPC data, and perform OPC  operations on them.

For example, when you subscribe to OPC items, incoming OPC item changes can directly set corresponding properties in your objects, without any further coding. You can then focus on writing the code that handles these property changes, abstracting away the fact how they come in.

You can use the Live Mapping model with OPC Data Access, or with OPC Unified Architecture data.