90E21 Datasheet, PDF (35/57 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
QoffsetL
L Line Reactive Power Offset
Address: 38H
Type: Read/Write
Default Value: 0000H
15
14
QoffsetL15
QoffsetL14
7
6
QoffsetL7
QoffsetL6
13
QoffsetL13
5
QoffsetL5
12
QoffsetL12
4
QoffsetL4
11
QoffsetL11
3
QoffsetL3
10
QoffsetL10
2
QoffsetL2
9
QoffsetL9
1
QoffsetL1
Bit
15 - 0
Name
Description
QoffsetL[15:0]
L line reactive power offset.
Complement, MSB is the sign bit. For calculation method, please refer to IDT application note AN-641.
PoffsetN
N Line Active Power Offset
Address: 39H
Type: Read/Write
Default Value: 0000H
15
14
PoffsetN15
PoffsetN14
7
6
PoffsetN7
PoffsetN6
13
PoffsetN13
5
PoffsetN5
12
PoffsetN12
4
PoffsetN4
11
PoffsetN11
3
PoffsetN3
10
PoffsetN10
2
PoffsetN2
9
PoffsetN9
1
PoffsetN1
Bit
15 - 0
Name
Description
PoffsetN[15:0]
N line active power offset.
Complement, MSB is the sign bit. For calculation method, please refer to IDT application note AN-641.
QoffsetN
N Line Reactive Power Offset
Address: 3AH
Type: Read/Write
Default Value: 0000H
15
14
QoffsetN15
QoffsetN14
7
6
QoffsetN7
QoffsetN6
13
QoffsetN13
5
QoffsetN5
12
QoffsetN12
4
QoffsetN4
11
QoffsetN11
3
QoffsetN3
10
QoffsetN10
2
QoffsetN2
9
QoffsetN9
1
QoffsetN1
Bit
15 - 0
Name
Description
QoffsetN[15:0]
N line reactive power offset.
Complement, MSB is the sign bit. For calculation method, please refer to IDT application note AN-641.
8
QoffsetL8
0
QoffsetL0
8
PoffsetN8
0
PoffsetN0
8
QoffsetN8
0
QoffsetN0
Register
35
January 10, 2012