Current Demand; Max. Demand Value; Demand Alarm Output; Working At Power Failure And At Recovery - Panasonic KW2M-A User Manual

5.4.2 Current Demand

Current demand calculates the demand based on a thermal demand meter.
Current demand =
(Average of current – last current demand value) × 90%(fixed) + Last current demand value
In case of that a stable current flows for interval time, 90% of current value is displayed.
(%)
90
interval

5.4.3 Max. demand value

Maximum value of measured demand value (active, reactive, apparent, active (export), reactive (export),
current)) are considered to the max. demand value. And it records the max. demand value.

5.4.4 Demand alarm output

・It output with pulse output terminal. (open collector)
・It output only when [alarm] is set for unit for pulse output.
・It doesn't output alarm if power demand alarm threshold is set to '0.000'kW.

5.4.5 Working at power failure and at recovery

<At power failure>
・It stops the demand measurement.
・It records monthly max. demand log, max. demand value in the internal memory.
<At recovery>
・It stops the demand measuring until next span starts. When the next span starts, it will start
demand measuring.
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