ABB RED650 Technical Manual page 31

Line differential protection RED650 2.2 IEC
Technical manual
Functionality.............................................................................. 755
Operation principle ................................................................... 756
Authorization with Central Account Management
enabled IED..........................................................................758
Authority management AUTHMAN.................................................761
Identification.............................................................................. 761
AUTHMAN.................................................................................761
Settings......................................................................................761
FTP access with password FTPACCS........................................... 761
Identification.............................................................................. 761
FTP access with TLS, FTPACCS..............................................761
Settings......................................................................................762
Authority status ATHSTAT............................................................. 762
Identification.............................................................................. 762
Functionality.............................................................................. 762
Function block........................................................................... 763
Signals.......................................................................................763
Settings......................................................................................763
Operation principle ................................................................... 763
Self supervision with internal event list INTERRSIG...................... 764
Functionality.............................................................................. 764
Function block........................................................................... 764
Signals.......................................................................................764
Settings......................................................................................764
Operation principle.................................................................... 764
Internal signals..................................................................... 766
Supervision of analog inputs................................................ 768
Technical data........................................................................... 768
ChangeLock function CHNGLCK................................................... 768
Functionality.............................................................................. 768
Function block........................................................................... 769
Signals.......................................................................................769
Operation principle ................................................................... 769
Denial of service DOS.................................................................... 770
Functionality ............................................................................. 770
Operation principle.................................................................... 770
Section 21 Basic IED functions...................................................... 773
Time synchronization TIMESYNCHGEN........................................773
Functionality.............................................................................. 773
Settings......................................................................................773
Operation principle ................................................................... 779
General concepts................................................................. 779
Real-time clock (RTC) operation.......................................... 782
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