Chapter 3 Using Front Display
Device Diagnostics Display
EM720 Power Quality and Revenue Meter
Meter identification info: serial number, production
date and calibration date
Meter operation time counters (since start of
operation):
Start of operation date
Total operation time in hours
Out of service time in hours
Power failure counters (since start of operation):
Total number of power failures
Total number of 3-phase voltage interruptions
Internal meter temperature
Lithium battery status and operation time:
Battery status
Battery replacement date
Total operation time
Auxiliary battery status and operation time:
Battery status and voltage
Battery replacement date
Meter firmware information:
Host processor firmware version
Fast transient coprocessor firmware version
Host boot loader firmware version
Memory information:
Program flash memory size
Data flash memory size
Serial communication ports info: network address,
baud rate and communication protocol.
Ethernet network info:
Device MAC address
Network IP address
Default gateway IP address
Wireless GPRS network info:
Network IP address
Receive signal strength indicator (RSSI), dBm
The diagnostics display shows device diagnostic messages
recorded as a result of the meter self-test diagnostics during
start-up and operation.
Data Displays
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