MAXQ3180-RAN+ datasheet(41/48 Pages) MAXIM

41 / 48 page

Low-Power, Multifunction, Polyphase AFE

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Table 12. Meter Unit Definitions

ACCUMULATOR

RAM ADDRESS

(BYTE)

LENGTH AND

FORMAT

METER UNIT

(1 LSB)

DEFAULT METER

UNIT

(1 LSB)

DEFAULT MAX

LEVEL OR

ACCUMULATOR

CAPACITY

Raw IRMS Sample

402, 642, 882,

996

32-bit unsigned

IFS/230

93.13nA

400A

Raw VRMS Sample

406, 646, 886

32-bit unsigned

VFS/230

0.5076μV

2180V

Raw IH Sample

410, 650, 890,

1000

32-bit unsigned

IFS x tFR/214

0.3391nAh

1.456Ah

Raw Act, Rea, App

as Energy Sample

414, 418, 422,

654, 658, 662,

894, 898, 902

32-bit signed

(act, rea),

unsigned (app)

IFS x VFS x tFR/218

11.55nWh

49.61Wh unsigned,

24.80Wh signed

Raw Act, Rea, App

as Power Sample

414, 418, 422,

654, 658, 662,

894, 898, 902

32-bit signed

(act, rea),

unsigned (app)

IFS x VFS/(NS x 218)

2.079mW

8.929MW unsigned,

4.465MW signed

Hidden Energy

Accumulators

System

32-bit unsigned

IFS x VFS x tFR/218

11.55nWh

49.61Wh

Hidden Ah

Accumulators

System

32-bit unsigned

IFS x tFR/214

0.3391nAh

1.456Ah

KWHT

32-bit unsigned

IFS x VFS x tFR/218

11.55nWh

49.61Wh

KAHT

32-bit unsigned

IFS x tFR/214

0.3391nAh

1.456Ah

THR1, THR2 (when

pulse output energy)

52, 56

32-bit unsigned

IFS x VFS x tFR/218

11.55nWh

49.61Wh

THR1, THR2 (when

pulse output Ah)

52, 56

32-bit unsigned

IFS x tFR/214

0.3391nAh

1.456Ah

THR1, THR2 (when

pulse output IRMS)

52, 56

32-bit unsigned

IFS/230

93.13nA

400A

THR1, THR2 (when

pulse output VRMS)

52, 56

32-bit unsigned

VFS/230

0.5076 V

2180V

IPK

264, 504, 744

16-bit unsigned

IFS/214

6.104mA

400A

VPK

266, 506, 746

16-bit unsigned

VFS/214

33.26mV

2180V

OCLVL

112

16-bit unsigned

IFS/214

6.104mA

400A

OVLVL

114

16-bit unsigned

VFS/214

33.26mV

2180V

SAGLVL

116

16-bit unsigned

VFS/214

33.26mV

2180V

IUBLVL

118

16-bit unsigned

IFS/214

6.104mA

400A

VUBLVL

120

16-bit unsigned

VFS/214

33.26mV

2180V

NZC_TIMO

122

16-bit unsigned

tFR

200μs

13.12s

REV_TIMO

124

16-bit unsigned

tFR x NS

0.02s

21.85 minutes

ACC_TIMO

126

16-bit unsigned

tFR x NS

0.02s

21.85 minutes

COM_TIMO

128

16-bit unsigned

tFR

200μs

13.12s

NOLOAD

138

16-bit signed

IFS x VFS x tFR/218

per line-cycle; or IFS

x VFS/(NS x 218)

11.55nWh per line

cycle, or 2.079mW

0.3785mWh per line

cycle, or 136.25W

MAXQ3180-RAN+ Datasheet(PDF) 41 Page - Maxim Integrated Products

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