Table 505: CHNGLCK Output signals
Name Type Description
ACTIVE BOOLEAN Change lock active
OVERRIDE BOOLEAN Change lock override
15.5.5 Settings
The function does not have any parameters available in Local HMI or Protection and
Control IED Manager (PCM600)
15.5.6 Operation principle
The Change lock function (CHNGLCK) is configured using ACT.
The function, when activated, will still allow the following changes of the IED state
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
• Control operations
• Set system time
• Enter and exit from test mode
• Change of active setting group
The binary input signal LOCK controlling the function is defined in ACT or SMT:
Binary input
Function
1 Activated
0 Deactivated
15.6 IED identifiers TERMINALID
15.6.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
IED identifiers TERMINALID - -
Section 15 1MRK 511 287-UEN A
Basic IED functions
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Technical manual