Schneider Electric 4000 manual Block Interval Demand Examples

Chapter 4—Metering Capabilities	63230-300-212
Demand Readings	April 2001

Calculation updates		Demand value is
every 15 or		the average for
60 seconds	15-minute interval	the last completed
		interval

15 30 45 60 . . .	Time
	(sec)

Sliding Block

	Calculation updates					Demand value
						is the average
	at the end of the interval
						for last
						completed
						interval
	15-minute interval		15-minute interval		15-min
							Time
15		30		45			(min)

Fixed Block

	Calculation updates at						Demand value
	the end of the subinterval (5 min.)						is the average
							for last
		15-minute interval					completed
							interval
							Time
15	20	25	30	35	40	45	(min)
			Rolling Block

Figure 4–3: Block Interval Demand Examples

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