20.4.4 SignalsTable 831:ATHSTAT Output signalsName Type DescriptionUSRBLKED BOOLEAN At least one user is blocked by invalid passwordLOGGEDON BOOLEAN At least one user is logged onThe output signal USRBLKED is not valid if the IED is CentralizedAccount Management enabled.20.4.5 SettingsThe function does not have any parameters available in Local HMI or in Protectionand Control IED Manager (PCM600)20.4.6 Operation principleAuthority status (ATHSTAT) function informs about two events related to the IEDand the user authorization:• the fact that at least one user has tried to log on wrongly into the IED and it wasblocked (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 orLOGGEDON) is activated. The output can for example, be connected on Event(EVENT) function block for LON/SPA.The signals are also available on IEC 61850station bus.20.5 Self supervision with internal event list INTERRSIG20.5.1 FunctionalitySelf supervision with internal event list function listens and reacts to internal systemevents, generated by the different built-in self-supervision elements. The internalevents are saved in an internal event list presented on the LHMI and in PCM600 eventviewer tool.20.5.2 Function block1MRK502052-UEN B Section 20Basic IED functions1097Technical manual
