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Chapter 7—Logging 63230-300-212
Min/Max Logs April 2001
© 2001 Schneider Electric All Rights Reserved
102
There are two Min/Max logs:
• Min/Max log
• Interval Min/Max/Average log
When any real-time reading reaches its highest or lowest value, the circuit
monitor saves the value in the Min/Max log.You can use
SMS to view and
reset this log. For instructions, refer to the
SMS online help. You can also view
the min/max values from the display. From the Main Menu, select Min/Max
and then select the value you’d like to view, such as amperes, volts, or
frequency. See “Viewing Minimum and Maximum Values from the Min/Max
Menu” on page 39 in this manual for detailed instructions. The Min/Max log
cannot be customized.
In addition to the Min/Max log, the circuit monitor has a Min/Max/Average log.
The Min/Max/Average log stores 23 quantities, which are listed below. At
each interval, the circuit monitor records a minimum, a maximum, and an
average value for each quantity. It also records the date and time for each
interval along with the date and time for each minimum and maximum value
within the interval. For example, every hour the default log will log the
minimum voltage for phase A over the last hour, the maximum voltage for
phase A over the last hour, and the average voltage for phase A over the last
hour. All 23 values are preconfigured with a default interval of 60 minutes, but
you can reset the interval from 1 to 1440 minutes. To setup, view, and reset
the Min/Max/Average log using
SMS,see”Reading and Writing Registers” in
the
SMS online help. The following values are logged into the Min/Max/
Average log:
• Voltage Phase A–B
• Voltage Phase B–C
• Voltage Phase C–A
• Voltage N–G
• Current Phase A
• Current Phase B
• Current Phase C
• Current Phase N
• Current Phase G
• kW 3-Phase Average
• kVAR 3-Phase Average
• kVA 3-Phase Average
• kW Demand 3-Phase Average
• kVAR Demand 3-Phase Average
• kVA Demand 3-Phase Average
• THD Voltage A–N
• THD Voltage B–N
• THD Voltage C–N
• THD Voltage A–B
• THD Voltage B–C
• THD Voltage C–A
• True Power Factor 3-Phase Total
• Displacement Power Factor 3-Phase Total
MIN/MAX LOGS
Min/Max Log
Interval Min/Max/Average Log