This document discusses how instrumentation in process industries can serve as data centers in an "Industry 4.0" or "Internet of Things" environment. It describes how instruments internally store various process and service parameters, and how their data can be integrated externally with documents, asset management systems, historians and ERP systems like SAP. The document uses examples of flow meters and analyzers to illustrate the internal data sources. It discusses how traditional automation architectures have limitations in utilizing all this digital field information, but that modern approaches using web technologies allow instruments to interact as part of the Internet of Things. One practical example shown is a cooperation between Endress+Hauser and Actemium to integrate instrument data into workflows between asset management, remote