Port 651
IEEE MMS
IEEE MMS (Manufacturing Message Specification) on port 651 facilitates standardized real-time messaging for industrial automation systems. It is widely used to exchange information between manufacturing equipment and control systems, enabling reliable data transfer and machine interaction in diverse automation environments..
Technical Details
The IEEE Manufacturing Message Specification (MMS) protocol is a part of the IEC 61850 standard for substation automation and supports communication in manufacturing environments. MMS provides a standardized messaging framework for exchanging information and controlling devices across various industrial control systems. It enhances interoperability among different vendors' hardware by offering a universal data model and service interface.
Operating primarily over TCP and UDP, MMS enables real-time data acquisition, device management, event reporting, and remote control functionalities. It supports various operations such as reading/writing variable content, file transfers, directory management, and status monitoring of industrial assets. MMS is extensible, supporting complex data types designed for the detailed interaction demands of industrial automation.
IEEE MMS plays a vital role in Supervisory Control and Data Acquisition (SCADA) systems, Distributed Control Systems (DCS), and Remote Terminal Units (RTUs). Integration with IEC 61850 broadens MMS's functionality to include intelligent electronic device (IED) communication for power grid automation and utility systems.