8 modbus mapping assignments – KROHNE ALTOSONIC V Modbus EN User Manual

Page 29

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ALTOSONIC V

ModBus Manual 0300 rev07 E

7.30855.35.00

Page 29 of 64

8 MODBUS MAPPING ASSIGNMENTS

The available data is grouped in 9 levels (groups):

1. Gross flow measurement

2. Standard flow measurement

3. Net flow measurement

4. Batching, includes normally the levels 1..3

5. Analysis, diagnostics, quality

6. Control data

7. Used settings (corrections on/of etc)

8. Master meter configuration (direct connection with duty meter)

9. Data measured but not directly used by Altosonic-V, but as an extra service.

8.1

Field 0 (Read only Boolean field)

This data is read only and can be accessed with Modbus function 1 and 2 in Modbus slave mode and

with functions 5 and 15 in Modbus master mode.

Without further notice 0=non and 1=active

By default the start addresses are mapped to address 1000 (default value)

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C

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m

p

N

o

tM

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o

n

C

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m

p

T

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Le

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Le

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1

B+R

Basic flow measurement warning

1

5

2

B+R

Basic flow measurement error

1

5

3

B+R

System runtime warning

1

5

4

B+R

System runtime error

1

5

5

B+R

System set-up warning

1

5

6

B+R

System set-up error

1

5

7

B+R

Totaliser process: sum totalizer rollover occurred

1

5

8

B+R

Totaliser process: totalizer reset occurred

1

5

9

B+R

Flow direction

1

0=forward 1=reverse

10

B+R

Algo. Basic flow on output

1

7

11

B+R

Reserved

12

B+R

Algo. Reyn. Correction on output.

1

7

13

B+R

Swirl correction on output

1

7

14

B+R

Temperature correction on output

1

7

15

B+R

Standard volume on output

2

7

16

B+R

API group out of range

2

5

17

B+R

Correction parameters hold. Due to flow deviation

1

5

18

B+R

Check Modbus totalisers and batch 1+2 values on hold (see Bool2075)

4

19

B+R

Alarm on reading: temperature process

2

5

20

B+R

Alarm on reading: pressure process

1

2

5

21

B+R

Alarm on reading: densitometer density

2

5

22

B+R

Alarm on reading: temperature body

1

5

23

B+R

Totaliser standard: sum totaliser rollover occurred

2

5

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