Prosoft-technology PLX8X-MNET-61850 Manuel d'utilisateur télécharger pdf (Page 223)

PLX8x-MNET-61850 ♦ Communication Gateway Glossary of Terms

Modbus TCP/IP to IEC 61850 User Manual

ProSoft Technology, Inc. Page 223 of 228

May 14, 2014

Unicast/Point to Point

Communication between a server and a single Client.

Unified Modeling Language

Standardized constructs and semantics for diagrams, including state machines,

which are used to describe/specify the functionality of an IED, object model or a

process.

Unsolicited Data or Unsolicited Message

Data or message which is supplied to a Client from a server without the Client

subscribing to that data or message, for example: reset, abort, time. Does not

require a connection to be established.

Utility Communications Architecture

Describes the concepts of standardized models for power system objects.

Witness Point

Point, defined in the appropriate document, at which an inspection will take place

on an activity. The activity may proceed without the approval of the initiator of the

conformance test. The test facility must provide a written notice to the initiator at

an agreed time prior to the witness point. The initiator or his representative has

the right, but is not obligated, to verify the witness point.

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Prosoft-technology PLX8X-MNET-61850 Manuel d'utilisateur Page 223