90E21 Datasheet, PDF (38/57 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
ATenergy
Absolute Active Energy
Address: 42H
Type: Read/Clear
Default Value: 0000H
15
14
ATenergy15
ATenergy14
7
6
ATenergy7
ATenergy6
13
ATenergy13
5
ATenergy5
12
ATenergy12
4
ATenergy4
11
ATenergy11
3
ATenergy3
10
ATenergy10
2
ATenergy2
9
ATenergy9
1
ATenergy1
8
ATenergy8
0
ATenergy0
Bit
15 - 0
Name
Description
Absolute active energy, cleared after read.
ATenergy[15:0] Data format is XXXX.X pulses. Resolution is 0.1 pulse. Maximum is 6553.5 pulses.
When the accumulation of this register has achieved FFFFH, the continuation accumulation will return to 0000H.
RPenergy
Forward (Inductive) Reactive Energy
Address: 43H
Type: Read/Clear
Default Value: 0000H
15
14
13
RPenergy15
RPenergy14
RPenergy13
7
6
5
RPenergy7
RPenergy6
RPenergy5
12
RPenergy12
4
RPenergy4
11
RPenergy11
3
RPenergy3
10
RPenergy10
2
RPenergy2
9
RPenergy9
1
RPenergy1
8
RPenergy8
0
RPenergy0
Bit
15 - 0
Name
Description
Forward (inductive) reactive energy, cleared after read.
RPenergy[15:0] Data format is XXXX.X pulses. Resolution is 0.1 pulse. Maximum is 6553.5 pulses.
When the accumulation of this register has achieved FFFFH, the continuation accumulation will return to 0000H.
Register
38
January 10, 2012