GUID-87CF079A-64C8-46AE-B7E4-A0B2EEAC92E9 v1
The output signal USRBLKED is not valid if the IED is Centralized Account
Management enabled.
20.4.5 Settings
GUID-ECE18AA9-15CC-4522-AA31-78C4F0F052E4 v2
The function does not have any parameters available in Local HMI or in Protection and Control IED
Manager (PCM600)
20.4.6 Operation principle
SEMOD158543-4 v5
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.
20.5 Self supervision with internal event list INTERRSIG
IP1721-1 v2
20.5.1 Functionality
M11399-3 v7
Self supervision with internal event list function listens and reacts to internal system events,
generated by the different built-in self-supervision elements. The internal events are saved in an
internal event list presented on the LHMI and in PCM600 event viewer tool.
20.5.2 Function block
M11402-3 v6
INTERRSIG
FAIL
WARNING
TSYN CERR
RTCER R
STUPBLK
IEC09000787-2-en.vsdx
IEC09000787 V2 EN-US
Figure 622: INTERRSIG function block
1MRK 502 066-UUS B Section 20
Security
1227
Technical manual
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