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This document provides information for integrating the Modbus protocol into the Field Device Tool (FDT) specification version 3.
The intended audiences of this document are persons who are going to develop FDT3 products for MODBUS.
This document OPC 30090 was created by a joint working group of the OPC Foundation and the FDT Group. It defines an OPC UA Information Model to represent the FDT architectural models. The OPC UA Information Model for FDT represents device information which is provided based on FDT/DTMs.