The number of composition and setting changes can be seen from the
Composition
changes
parameter in
Monitoring/IED status
.
LCT-generated events are reported as a bit-masked value (change flags); for example,
value 9 means that hardware and site identifier changes have been done to the relay.
Table 24:
LCT-generated events
Bit
Description
0
Hardware change
1
Software change
2
Configuration change
3
Site identifier change
4
Retrofit change
Other
Not in used
1MRS759118 A
Section 7
Commissioning
REX640
127
Operation Manual