Reset Msql Database Tables; Reset Nvram; Delete Nvram Data - GE Multilin D400 Instruction Manual

CHAPTER 12: USING THE D400 LOCAL CONFIGURATION UTILITY

Reset mSQL database tables

Reset NVRAM

Delete NVRAM Data

D400 SUBSTATION GATEWAY INSTRUCTION MANUAL
Modify tables in the mSQL database through the
The Reset System Log settings are described in Table 39.
Use the DB Exporter tool on the Utilities page of the D400 HMI to save a backup of the
mSQL database tables before deleting them.
Table 39: Reset mSQL database table setting descriptions
Setting
Delete Digital Event Data
Delete Quality Records
Delete PRF Event Records
Delete Operator Records
Delete Accumulator Records
You can reset the data being held in NVRAM through the
Permanently delete data stored in the NVRAM of the D400.
After you have reset the NVRAM, you must restart the processes running on the D400.
To restart the processes on the D400:
1. Exit the D400 Configuration Utility.
2. Type go at the command line.
3. Press the Enter key.
Reset mSQL Database Tables
Description
Use this command to clear or delete the Digital Event Data from the
mSQL database of the D400.
• This action stops all running applications and permanently
deletes entries from the digital events database.
• If NVRAM based persistence is configured for SOE and Alarm
records, also reset NVRAM using d400cfg.
Use this command to clear or delete the Quality Data from the mSQL
database of the D400.
The quality status and quality attributes (also referred to as the
quality flags) are stored in the D400 mSQL database along with the
point or object, and are updated as the status or value of the point
or object changes.
Use this command to clear or delete the Protective Relay Faults (PRF)
stored in the mSQL database of the D400.
All PRF fields including the Event ID, Trip Description, Fault code etc.
are deleted permanently from the mSQL database of the D400.
Use this command to delete the operator notes that have been
entered by users and stored in the mSQL database of the D400.
Each Operator Note record entered in the mSQL database of the
D400 contains a custom Note/Text message entered by an operator.
This record also contains the last modified record date and time
details.
Use this command to clear or delete the Accumulator records from
the mSQL database of the D400.
GE INFORMATION
menu.
Reset NVRAM
menu.
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