ABB Relion 670 series - Authority status ATHSTAT; Introduction; Principle of operation

Table 54: 3PHSUM Non group settings (basic)
Name Values (Range) Unit Step Default Description
SummationType Group1+Group2
Group1-Group2
Group2-Group1
-(Group1+Group2)
- - Group1+Group2 Summation type
DFTReference InternalDFTRef
AdDFTRefCh1
External DFT ref
- - InternalDFTRef DFT reference
Table 55: 3PHSUM Non group settings (advanced)
Name Values (Range) Unit Step Default Description
FreqMeasMinVal 5 - 200 % 1 10 Magnitude limit for frequency calculation in %
of Vbase
VBase 0.05 - 2000.00 kV 0.05 400.00 Base voltage
4.14 Authority status ATHSTAT
4.14.1 Introduction
Authority status (ATHSTAT) function is an indication function block for user log-on
activity.
4.14.2 Principle of operation
Authority status (ATHSTAT) function informs about two events related to the IED and
the user authorization:
• the fact that at least one user has tried to log on wrongly into the IED and it was
blocked (the output USRBLKED)
• the fact that at least one user is logged on (the output LOGGEDON)
Whenever one of the two events occurs, the corresponding output (USRBLKED or
LOGGEDON) is activated. The output can for example, be connected on Event
(EVENT) function block for LON/SPA.The signals are also available on IEC 61850
station bus.
Section 4 1MRK505222-UUS C
Basic IED functions
116
Technical reference manual