90E21 Datasheet, PDF (43/57 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
Freq
Voltage Frequency
Address: 4CH
Type: Read
Default Value: 0000H
15
Freq15
7
Freq7
14
Freq14
6
Freq6
13
Freq13
5
Freq5
12
Freq12
4
Freq4
11
Freq11
3
Freq3
10
Freq10
2
Freq2
9
Freq9
1
Freq1
8
Freq8
0
Freq0
Bit
15 - 0
Name
Freq[15:0]
Description
Voltage frequency.
Data format is XX.XX. Frequency measurement range is 45.00~65.00Hz. For example, 1388H corresponds to 50.00Hz.
PowerF
L Line Power Factor
Address: 4DH
Type: Read
Default Value: 0000H
15
14
PowerF15
PowerF14
7
6
PowerF7
PowerF6
13
PowerF13
5
PowerF5
12
PowerF12
4
PowerF4
11
PowerF11
3
PowerF3
10
PowerF10
2
PowerF2
9
PowerF9
1
PowerF1
8
PowerF8
0
PowerF0
Bit
15 - 0
Name
PowerF[15:0]
Description
L line power factor.
Signed, MSB is the sign bit. Data format is X.XXX. Power factor range: -1.000~+1.000. For example, 03E8H corresponds to the
power factor of 1.000, and 83E8H corresponds to the power factor of -1.000.
Pangle
Phase Angle between Voltage and L Line Current
Address: 4EH
Type: Read
Default Value: 0000H
15
14
13
Pangle15
Pangle14
Pangle13
7
6
5
Pangle7
Pangle6
Pangle5
12
Pangle12
4
Pangle4
11
Pangle11
3
Pangle3
10
Pangle10
2
Pangle2
9
Pangle9
1
Pangle1
8
Pangle8
0
Pangle0
Bit
15 - 0
Name
Pangle[15:0]
Description
L line voltage current angle.
Signed, MSB is the sign bit. Data format is XXX.X. Angle range: -180.0~+180.0 degree.
Register
43
January 10, 2012