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E166703
E-34
E: Retrieving Logs
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
0
High Limit
1
Low Limit
• 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.
• Value: Depends on the Direction:
• If the record is "Going out of limit," this is the value of the limit when the "Out"
condition occurred.
• If the record is "Coming back into limit," this is the "worst" value of the limit dur-
ing the period of being "out": for High (above) limits, this is the highest value
during the "out" period; for Low (below) limits, this is the lowest value during
the “out" period.
Interpretation of Alarm Data:
To interpret the data from the alarm records, you need the limit data from the
Programmable Settings [0x754B, 40 registers].
There are 8 limits, each with an Above Setpoint, and a Below Setpoint. Each setpoint
also has a threshold (hysteresis), which is the value at which the limit returns "into"
limit after the setpoint has been exceeded. This prevents "babbling" limits, which can
be caused by the limit value fluttering over the setpoint, causing it to go in and out of
limit continuously.
• Identifier: The first modbus register of the value that is being watched by this limit.
While any modbus register is valid, only values that can have a Full Scale will be
used by the MP200 unit.
• Above Setpoint: The percent of the Full Scale above which the value for this limit
will be considered "out.”
Byte
0
1
2
3
4
5
6
7
8
9
Value
Identifier
Above Setpoint
Above Hyst.
Below Setpoint
Below Hyst.
Содержание MP200
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