Siemens SIPROTEC 5 Operation Manual page 126

Operation in the Operating State
8.4 Indications
Indication Categories in the Setting-History Log
For this log, there is selected information that is stored in case of successful as well as unsuccessful setting
changes. The following list gives you an overview of this information.
Table 8-3
Displayed Information
Selection editing+
Reject+
PG activation+
PG activation-
set+
Acceptance+
Acceptance-
DCF loaded
SG 1
SG 2
SG 3
SG 4
SG 5
SG 6
SG 7
SG 8
Example of Logging in Setting-History Log
For this log, there is selected information that is stored in case of successful as well as unsuccessful setting
changes. The following list gives you an overview of this information.
NOTE
i i
•
The logged indications are preconfigured and cannot be changed!
•
This log, which is organized as a ring buffer. cannot be deleted by the user!
•
If you want to archive security-relevant information without loss of information, you must regularly
read this log.
•
You cannot route additional indication objects to the setting-history log.
126
Overview of Indication Types
Explanation
Selection of settings group to be edited
Rejection of all changes successful
PG activation via command successful
PG activation via command failed
Parameter value was changed
Acceptance of change successful
Acceptance of change failed
DCF loaded into device
Settings group 1
Settings group 2
Settings group 3
Settings group 4
Settings group 5
Settings group 6
Settings group 7
Settings group 8
From top downward:
•
In the example at the left, a device has started with
the active settings group 1.
•
Then the settings group 1 is selected for changes.
•
The individual parameter for phase-rotation
reversal was changed.
•
The changes were successfully accepted.
SIPROTEC 5, Operation, Manual
C53000-G5040-C003-7, Edition 06.2016