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 and UCA® 2.0 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 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.
  

• 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.

• 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 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.

• 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
  

  

AX-S4 MMS will be updated to AX-S4 61850 in 2011.