Prosoft-technology PLX8X-MNET-61850 Uživatelský manuál stáhnout pdf (Strana 176)

Reference PLX8x-MNET-61850 ♦ Communication Gateway

User Manual Modbus TCP/IP to IEC 61850

Page 176 of 228 ProSoft Technology, Inc.

May 14, 2014

SBO (Select Before Operate) with Normal Security

SBO control with normal security first verifies that the data attribute is not

currently selected by a different Client; that it is operable; and that the operation

is not restricted. If this is verified, then the Operate request should proceed. It

uses these services:

 SELECT

 CANCEL

 OPERATE

 TIMEACTIVATEDOPERATE

SBO with normal security data attributes are generally controllable single point

(SPC) attribute types. These are things such as:

 RUN DIAGNOSTICS

 TRIGGER RECORDER

 RESET RECORDER MEMORY

 CLEAR MEMORY

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Prosoft-technology PLX8X-MNET-61850 Uživatelský manuál Strana 176