SA9109B

sames

11/18

Word

Bit

Function

Description

number number

1

31..28

Sign of Register 1

A '0' indicates a negative register value

1

27..0

Register 1

Contents of register 1 in binary coded decimal

2

31..28

Sign of Register 2

A '0' indicates a negative register value

2

27..0

Register 2

Contents of register 2 in binary coded decimal

3

31..28

Sign of Register 3

A '0' indicates a negative register value

3

27..0

Register 3

Contents of register 3 in binary coded decimal

4

31..28

Sign of Register 4

A '0' indicates a negative register value

4

27..0

Register 4

Contents of register 4 in binary coded decimal

5

31..28

Sign of Register

A '0' indicates a negative register value

'Total'

5

27..0

Register 'Total'

Registers 1, 2,3 and 4 are added and stored in the

register 'Total'

6

31..16

ROM

Don't care

6

15..0

Manufacturers

16 bits are available for the manufacturer of the

Identification

metering system as a system identification

7

31..28

ROM

Don't care

7

27..0

System

28 bits are available for the manufacturer of the

Identification

metering system as a system identification

8

31..0

ROM

Don't care

9

31

Programmed

Programmed slope select bit must be set if the

slope select

default slope in ROM is not used

9

30..26

ROM

Don't care

9

25

Summation

0 to select addition which takes direction of

method select

energy flow into account

1 to select addition which does not take direction

of energy flow into account

9

24..22

SAMES defined

Bits must be set to 0 for correct functionality

9

21

Sign of offset

By setting the sign bit a negative value is indi-

cated

9

20..14

Offset

Offset of the device in binary

9

13..0

Slope

Slope of the device in binary. (default = 11389)

10

31..0

ROM

Don't care

The first bit of the programming data is written to word number 1, bit 31. The last

bit is written to word number 10, bit 0.