AT73C501 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT73C501

Chip Set Solution for Watt-Hour Meters

Atmel Corporation 

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The calibration data is transferred in the following sequence:

Byte

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

Calibration Coefficient

PC1

PC2

PC3

MCC

Not used

AGC1

AGC2

AGC3

RGC1

RGC2

RGC3

UGC1

UGC2

UGC3

STUPC

AOF1

AOF2

AOF3

ROF1

ROF2

ROF3

OFFMOD

Byte

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

Calibration Coefficient

PC1 back-up

PC2 back-up

PC3 back-up

MCC back-up

Not used

AGC1 back-up

AGC2 back-up

AGC3 back-up

RGC1 back-up

RGC2 back-up

RGC3 back-up

UGC1 back-up

UGC2 back-up

UGC3 back-up

STUPC back-up

AOF1 back-up

AOF2 back-up

AOF3 back-up

ROF1 back-up

ROF2 back-up

ROF3 back-up

OFFMOD back-up

The meaning of the calibration coefficient mnemonics are as follows:

Mnemonic

PCN

MCC

AGCN

RGCN

UGCN

STUPC

AOFN

ROFN

OFFMOD

Meaning

Phase calibration factor, phase N

Display pulse adjustment factor for active and reactive energy

Gain calibration factor for active power and energy calculation, phase N

Gain calibration factor for reactive power and energy calculation, phase N

Gain calibration factor for phase voltage, phase N

Starting current adjustment factor

Offset calibration factor for active power and energy calculation, phase N

Offset calibration factor for reactive power and energy calculation, phase N

Controls the use of offset factors

20

AT73C500

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