90E21 Datasheet, PDF (39/57 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
RNenergy
Reverse (Capacitive) Reactive Energy
Address: 44H
Type: Read/Clear
Default Value: 0000H
15
14
13
RNenergy15
RNenergy14
RNenergy13
7
6
5
RNenergy7
RNenergy6
RNenergy5
12
RNenergy12
4
RNenergy4
11
RNenergy11
3
RNenergy3
10
RNenergy10
2
RNenergy2
9
RNenergy9
1
RNenergy1
8
RNenergy8
0
RNenergy0
Bit
15 - 0
Name
Description
Reverse (capacitive) reactive energy, cleared after read.
RNenergy[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.
RTenergy
Absolute Reactive Energy
Address: 45H
Type: Read/Clear
Default Value: 0000H
15
14
RTenergy15
RTenergy14
7
6
RTenergy7
RTenergy6
13
RTenergy13
5
RTenergy5
12
RTenergy12
4
RTenergy4
11
RTenergy11
3
RTenergy3
10
RTenergy10
2
RTenergy2
9
RTenergy9
1
RTenergy1
8
RTenergy8
0
RTenergy0
Bit
15 - 0
Name
Description
Absolute reactive energy, cleared after read.
RTenergy[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
39
January 10, 2012