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IQ 150S/250S 5: Communication
Configuring Historical Logs (IQ250S)
Use this setting to select the parameters to be stored in each of the IQ 250S meter's three Histori-
cal Logs.
Functional Overview of Historical Logs:
Having three historical logs affords you the flexibility of programming each log with unique param-
eters. For example, you might program Historical Log 1 to record Power Quality parameters (for
example, Limits/Alarms), Log 2 to record Demand parameters, and Log 3 to record Energy param-
eters.
Historical Log parameters can be selected from eight groups:
• Measured Values (Instantaneous Voltage; Instantaneous Current; Total and Per Phase Power
and Power Factor; Frequency; Neutral Current; Symmetrical
Components and Voltage Unbalances)
• Demand (Current; Per Phase, Total Power and Power Factor)
• Maximums (Maximum values for all of the readings listed above)
• Minimums (Minimum values for all of the readings listed above)
• Energy (Watt-hours, VA-hours, VAR-hours)
• Short Term Min (Min value within the Demand Interval)
• Short Term Max (Max value within the Demand Interval)
• Uncompensated ((Watt-hours, VA-hours, VAR-hours)
Summary of Contents for IQ 150S
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