SL7000 User Guide
A typical voltage swell defect event is illustrated below:
1
Unom
2
RMS Input voltage
3
Swell start threshold
4
Swell duration
5
Swell magnitude
6
Swell end threshold
6.11.
Monitoring
The meter monitors and records events in the following categories:
•
Network
•
Anti-tamper or fraud
•
Meter status
•
Billing
Note:
Some of the monitored events could exist in more than one category.
Monitored events
Event name
Network
Anti-tamper
Status
Power failure
Y
Frequency
Y
Total Harmonic Distortion (THD)
Y
Phase
Y
Neutral voltage
Y
Neutral current
Y
Current reversal
Y
Y
Internal consumption
Y
Y
Y
Cover opening
Y
Y
Terminal Cover opening
Y
Magnetic sensor
Y
Calibration history
Y
Configurations history
Y
Y
Watchdog activity
Y
