Prosoft-technology PLX8X-MNET-61850 Manuel d'utilisateur télécharger pdf (Page 212)

Glossary of Terms PLX8x-MNET-61850 ♦ Communication Gateway

User Manual Modbus TCP/IP to IEC 61850

Page 212 of 228 ProSoft Technology, Inc.

May 14, 2014

Interface Related Station Level Functions

Functions representing the interface of the SAS to the local station operator HMI

(Human Machine Interface), to a remote control center TCI (Telecontrol

Interface) or to the remote engineering workplace for monitoring and

maintenance TMI (Telemonitoring Interface). These functions communicate via

the logical interfaces 1 and 6 with the bay level, and via the logical interface 7

and the remote control interface to the outside world.

Interface Related Station Level Functions

Functions representing the interface of the SAS local station-operator HMI to a

remote control center Tele-Control Interface (TCI) or to the remote engineering

Tele-Monitoring Interface (TMI) for monitoring and maintenance purposes. These

functions communicate via the logical interfaces 1 and 6 with the bay level and

via logical interface 7 to technical services and via the remote control interface to

the outside world. Logically, there is no difference if the HMI is local or remote. In

the context of the substation, there exists at least a virtual interface for the SAS

at the boundary of the substation. The same is true for both the TCI and TMI.

These virtual interfaces may be realized in some implementations such as proxy

servers.

Internet Protocol

TCP/IP standard internet protocol defines the datagram that provides the basis of

connectionless packet delivery. It includes control and error message protocol

providing the equivalent functions to network services, layer 3, of the OSI

reference model for Open Systems Interconnection.

Interoperability

Ability of two or more IEDs from the same vendor, or different vendors, to

exchange information and use that information for correct execution of specified

functions.

ISO/IEC-8802-3

Communication technology according to ISO/IEC-8802-3.

Life Cycle

All phases from the feasibility/concept phase through to the final

decommissioning phase.

Link Layer

See Data Link Layer.

Local Area Network (LAN)

Communications network which typically covers the area within a building or

small industrial complex. In the context of the IEC-61850 standard, the area

within the substation.

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Prosoft-technology PLX8X-MNET-61850 Manuel d'utilisateur Page 212