90E21 Datasheet, PDF (42/57 Pages) Integrated Device Technology – Single-Phase High-Performance Wide-Span Energy Metering IC

90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Pmean
L Line Mean Active Power
Address: 4AH
Type: Read
Default Value: 0000H
15
14
Pmean15
Pmean14
7
6
Pmean7
Pmean6
13
Pmean13
5
Pmean5
12
Pmean12
4
Pmean4
11
Pmean11
3
Pmean3
10
Pmean10
2
Pmean2
9
Pmean9
1
Pmean1
8
Pmean8
0
Pmean0
Bit
15 - 0
Name
Pmean[15:0]
Description
L line mean active power.
Complement, MSB is the sign bit. Data format is XX.XXX, which corresponds to -32.768~+32.768kW.
If current is specially handle by MCU, the power of the 90E21/22/23/24 and the actual power have the same multiple relationship
as the current.
Qmean
L Line Mean Reactive Power
Address: 4BH
Type: Read
Default Value: 0000H
15
14
Qmean15
Qmean14
7
6
Qmean7
Qmean6
13
Qmean13
5
Qmean5
12
Qmean12
4
Qmean4
11
Qmean11
3
Qmean3
10
Qmean10
2
Qmean2
9
Qmean9
1
Qmean1
8
Qmean8
0
Qmean0
Bit
15 - 0
Name
Qmean[15:0]
Description
L line mean reactive power.
Complement, MSB is the sign bit. Data format is XX.XXX, which corresponds to -32.768~+32.768kvar.
If current is specially handled by MCU, the power of the 90E22/24 and the actual power have the same multiple relationship as
the current.
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42
January 10, 2012