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cal, and Power Quality logs), when the log fills or wraps around in less than two
minutes (applies only to Waveform log), when the number of unassigned sectors
becomes dangerously low (applies only to Waveform log), or when a log grows so
far beyond its normal bounds that it is in danger of crashing the system. This
applies to all logs except the System log, which does not babble. While possible for
the other logs during an extended log retrieval session, it is extremely unlikely to
occur for any logs except the Waveform log.
• Logging of diagnostic records may be suppressed via a bit in programmable
settings.
Alarm Record:
Byte
Value
Size: 10 bytes (16 bytes image)
Data: The Alarm record data is 4 bytes, and specifies which limit the event occurred
on, and the direction of the event (going out of limit, or coming back into limit).
• Direction: The direction of the alarm event: whether this record indicates the limit
going out, or coming back into limit.
1
2
• Limit Type: Each limit (1-8) has both an above condition and a below condition.
Limit Type indicates which of those the record represents.
0
1
• Limit ID: The specific limit this record represents. A value in the range 0-7, Limit ID
represents Limits 1-8. The specific details for this limit are stored in the program-
mable settings.
Electro Industries/GaugeTech
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
The Leader In Power Monitoring and Smart Grid Solutions
0
1
2
3
4
5
6
timestamp
direction
Going out of limit
Coming back into limit
Bit
0
1
2
3
Value
type
0
0
0
High Limit
Low Limit
Doc
B: Modbus Map and Retrieving Logs
7
8
9
limit#
Value%
4
5
6
7
0
Limit ID
#
E149701
B-34
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