2.2.4 Basic IED functions
IEC 61850/Function
block name
Function description
Basic functions included in all products
INTERRSIG Self supervision with internal event list 1
SELFSUPEVLST Self supervision with internal event list 1
TIMESYNCHGEN Time synchronization 1
SNTP Time synchronization 1
DTSBEGIN, DTSEND,
TIMEZONE
Time synchronization, daylight saving 1
IRIG-B Time synchronization 1
SETGRPS Setting group handling 1
ACTVGRP Parameter setting groups 1
TESTMODE Test mode functionality 1
CHNGLCK Change lock function 1
PRIMVAL Primary system values 1
SMAI_20_1 -
SMAI_20_12
Signal matrix for analog inputs 2
3PHSUM Summation block 3 phase 12
GBASVAL Global base values for settings 6
ATHSTAT Authority status 1
ATHCHCK Authority check 1
AUTHMAN Authority management 1
FTPACCS FTPS access with password 1
DOSFRNT Denial of service, frame rate control for front port 1
DOSLAN1 Denial of service, frame rate control for LAN1A and LAN1B ports 1
DOSSCKT Denial of service, socket flow control 1
2.3 REQ650 application examples
2.3.1 Adaptation to different applications
REQ650 is an IED with pre-defined configuration to be used as a backup for the main
protection giving redundant protection and simple control functions. It is possible to
use the IED in a wide range of applications. This is done by selecting a functionality
from the comprehensive function library in the IED.
A selection of applications is described below.
The following application examples, describe line bay alternatives:
1MRK 505 291-UEN A Section 2
Application
31
Application manual
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