AX-S4 MMS ("access for MMS") is a complete IEC 61850 interface for host applications. AX-S4 MMS supports both IEC 61850 client and server capabilities to provide everything needed to interface with any Windows application supporting OPC and/or DDE interfaces.  AX-S4 MMS brings real-time data from IEC 61850, UCA® 2.0, and MMS intelligent electronics devices (IEDs) such as RTU, protection relays, meters, and load tap changers to the desktop.

Useful for substation automation computers needing access to data in IEC61850 IEDs, testing/configuration of IEC 61850 devices, and for interfacing with non-IEC 61850 devices.

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• OPC Data Access Server interface supports IEC61850, UCA2.0, and MMS variable access for Visual Basic®, Visual C++®, and many off-the-shelf OPC compatible applications.

• Supports IEC 61850 parts 6-1, 7-2, 7-3, 7-4, and 8-1 including the Abstract Communication Service Interface (ACSI), Generic Object Oriented Substation Event (GOOSE), and Generic Substation Status Event (GSSE) services.

• Includes an IEC 61850 server to convert non-standard devices and protocols to IEC 61850 for low-cost data translation and protocol conversion.
  

• DDE Server supports variable, journal/log, controls, domain, file, and program invocation services including cut-and-paste of hot-links to Excel and other DDE enabled applications.

• Interactive MMS Object Explorer provides point & click access to network objects without complex configuration.

• Automatically retrieves device object descriptions from devices to eliminate tedious configuration of data points.

• Supports unsolicited report-by-exception messaging using IEC61850 and UCA2 buffered and unbuffered reports.

• OPC Server for GOOSE/GSSE is included to send and receive real-time protection data used by relays and other substation protection and metering devices.

• Supports UCA2.0 Generic Object Model for Substation and Feeder Equipment (GOMSFE) and Common Application Service Model (CASM) per IEEE TR1550.

• Supports generic MMS client functions per ISO 9506.
  

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