Panasonic KW8M User Manual

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Contents

KW8M Eco-POWER METER325.5 Simple demand function *Only AKW8111HAKW8111H has the simple demand function.The simple demand function is a function which presumes the average power for every 30 minutestime span and judges for every minute.It doesn’t support pulse input. It supports only CT input (power measurement).It outputs demand alarm according to the setting conditions.Please use this simple demand function as your standard.Caution(1)Definition of simple demandIt is demand measurement in order to use by yourself as your standard.(2) The time used by this function is the time set up with Eco-POWER METER.Therefore, it is different from the demand meter controlled by an electric power company.◆Output demand alarm and Display demand alarmWhen present demand or estimated demand exceeds the demand setting value, it output and itdisplays.[Present demand or Estimated demand ≧ Demand setting value]It keeps alarm output and alarm indication for 1 minute, after that,[Present demand or Estimated demand ≧ Demand setting value] -> Keep alarm[Present demand or Estimated demand ＜ Demand setting value] -> Clear alarmWhen you set the hysterisis with demand alarm setting mode 2, the timing of clear alarm is as below.Ex.) Demand setting value: 100kW Hysterisis: 10%When the present demand or the estimated demand exceeds 100kW, it output alarm and keepthe alarm for 1 minute. After that if the current demnd or the estimated demand exceeds 90kW, itkeep the alarm. If it is below 90kW, it clears alarm.When you set the hysterisis, it can avoid frequent alarm output ON/OFF near a demand targetvalue.【Alarm output】・It output with pulse output terminal.(open collector)・It output only when “DEM” is set with unit for pulse outputsetting mode.・ It doesn’t output alarm if demand setting value is setto ”0.00”kW.【Alarm indication】・“d” is blinking on the bottom line of the display.・It indicates “d” when the present demand or the estimateddemand exceeds the setting value, regardless the setting of unitfor pulse output setting mode.・ It doesn’t output alarm if demand setting value is set to“0.00”kW.Blinking “d”Lighting”OUT” indicator