Authority Status Athstat - ABB REB670 Applications Manual

1MRK 505 337-UUS -
Section 18
18.1
18.1.1
18.2
18.2.1
Application manual
Basic IED functions

Authority status ATHSTAT

Application
Authority status (ATHSTAT) function is an indication function block, which 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)
The two outputs of ATHSTAT function can be used in the configuration for different
indication and alarming reasons, or can be sent to the station control for the same purpose.
Change lock CHNGLCK
Application
Change lock function CHNGLCK is used to block further changes to the IED
configuration once the commissioning is complete. The purpose is to make it impossible
to perform inadvertent IED configuration and setting changes.
However, when activated, CHNGLCK will still allow the following actions that does not
involve reconfiguring of the IED:
• Monitoring
• Reading events
• Resetting events
• Reading disturbance data
• Clear disturbances
• Reset LEDs
• Reset counters and other runtime component states
Section 18
Basic IED functions
461