1. A method for accessing process control data, comprising: loading a client object; communicating a data access request from the client object to a real object configured to communicate with a server; communicating a query from the real object to the server based on the data access request; obtaining process control data from the server in response to the query; mapping the process control data from a first data layout associated with a server schema to a second data layout associated with a client schema; and communicating the mapped process control data to an application.