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Danfoss Mätutrustning SonoMeter 40

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SonoMeter 40

Wired M-Bus protocol description

Operating guide

Table of Contents 1. General structure of protocol 2 ................................................................................................

1.1. General features of protocol 2 ........................................................................................................................

1.2. Data strings 2 ........................................................................................................................................................

2. Selection of the data type 3 ......................................................................................................

2.1. Selection of the data type “All data” 3 .........................................................................................................

2.2. Selection of the data type “User data” 3 .....................................................................................................

2.3. Selection of the data type “Simple billing” (Years logger) 3 ...............................................................

2.4. Selection of the data type “Enhanced billing” (Days logger) 3 ..........................................................

2.5. Selection of the data type “Multi tariff billing” (Months logger) 3 ...................................................

2.6. Selection of the data type “Instantaneous values” 3 .............................................................................

2.7. Selection of the data type “Load management values for management” (Hours logger) 3 ..

2.8. Selection of the data type “Installation and startup” 3 .........................................................................

2.9. Selection of the data type “Testing” 4 .........................................................................................................

2.10. Parameter list for preselecting 4 ....................................................................................................................

3. Data request ............................................................................................................................ 4

3.1. Data request 4 ..............................................................................................................................................................

3.2. Meter data coding 5 ..................................................................................................................................................

3.3. CRC16 checksum calculation algorithm ......................................................................................................... 10

4. Settings the parameters of meter ........................................................................................ 11

4.1. Changing the identification number ............................................................................................................... 11

4.2. Changing the identification number, Manufacturer ID and Medium ................................................. 11

4.3. Changing the primary address .......................................................................................................................... 11

4.4. Changing the data and time of the meter ..................................................................................................... 11

4.5. Changing the yearly set day ............................................................................................................................... 11

4.6. Changing the monthly set day .......................................................................................................................... 11

4.7. Changing the baud rate ........................................................................................................................................ 11

5. Secondary addressing ............................................................................................................ 12

5.1. Selecting of the meter ................................................................................................................................... 12

5.2. Communication with selected meter ...................................................................................................... 12

5.3. Deselection of secondary addressing mode ......................................................................................... 12

2 | AQ39012919462001en-010101 © Danfoss | 2021.10

Operating guide SonoMeter 40 - Wired M-Bus protocol description

1. General structure of

protocol

1.1. General features of

protocol

Meter uses a M-bus protocol .

Default baud rate: 2400 bps, Even, 1 Stop.

Baud rate can be changed.

Protocol is the same for Mbus interface and for optical interface.

Primary address of Mbus is individual for Mbus interface and for optical interface.

1.2. Data strings Data string to meter SND_NKE:

1 2 3 4 5

10h 40h A CS 16h

A - M-bus primary address of meter

CS – control sum (the youngest byte of amount of 2-nd and 3-rd bytes)

Data string to meter SND_UD2

1 2 3 4 5 6 7 8...n-2 n-1 n

68h 68hL L 53h

73h A 51h Data

bytes CS 16h

L - length of string (the number of bytes from 5-th to n-2 byte)

A - M-bus primary address of meter

CS – control sum (the youngest byte of amount of 5-th to n-2 bytes)

Data string to meter REQ_UD2:

1 2 3 4 5

10h 5Bh

7Bh A CS 16h

A - M-bus primary address of meter

CS - control sum (the youngest byte of amount of 2-nd and 3-rd bytes)

Answer of the meter CON:

E5h

Answer of the meter RSP_UD2:

1 2 3 4 5 6 7 8...11 12, 13 14 15 16 17 18,19

68h 68hL L C A CI ID Man Vrs Md TC St Sign

20 ... ... ... ... ... ... n-2 n-1 n

DIF VIF Data DIF VIF Data CS 16h

L - length of string (the number of bytes from 5-th to n-2 byte)

C – „C field“ (08)

A - M-bus primary address of meter

CI - „CI field“

ID – identification number of meter (BSD8, used for secondary addressing, can be changed - see

paragraph 4.1),

Man – Manufacturer code (Danfoss A/S manufacturer code is „DFS“, 10 D3)

Vrs – number of protocol version (0Bh)

Md – code of medium (for „heat / cold energy“: 0Dh)

TC – counter of telegrams

St - meter status code

Sign - 00 00

The bytes 20...n-2 is data from meter:

DIF – code of data format

VIF – code of data units

Data– values of data

CS – control sum (the youngest byte of amount of 5-th to n-2 bytes).

AQ39012919462001en-010101 | 3© Danfoss | 2021.10

Operating guide SonoMeter 40 - Wired M-Bus protocol description

2. Selection of the data

type

2.1. Selection of the data

type “All data”

Master sends to the meter telegram SND_UD2:

68h 68h03h 03h 53h

73h A 50h CS 16h

68h 04h 04h 68h 53h

73h A 50h 00h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.2. Selection of the data

type “User data”

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 10h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.3. Selection of the data

type “Simple billing”

(Years logger)

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 20h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.4. Selection of the data

type “Enhanced

billing” (Days logger)

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 30h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.5. Selection of the data

type “Multi tariff

billing” (Months

logger)

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 40h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.6. Selection of the data

type “Instantaneous

values”

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 50h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.7. Selection of the

data type “Load

management values

for management”

(Hours logger)

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 60h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

2.8. Selection of the data

type “Installation and

startup”

Master sends to the meter telegram SND_UD2:

68h 04h 04h 68h 53h

73h A 50h 80h CS 16h

Answer of the meter CON (if A not equal FFh):

E5h

Produktspecifikationer

Varumärke:	Danfoss
Kategori:	Mätutrustning
Modell:	SonoMeter 40
Enhetsplacering:	Ingebouwd
Innehåll (inuti):	20 l
Typ av operation:	Draaiknop
Magnetronkraft:	700 W
Power grill:	1000 W
Färg på produkten:	Black, Stainless steel
Skivspelare:	Ja
Skivbordsstorlek:	245 mm
Timer:	Ja
Vikt:	14000 g
Bredd:	595 mm
Djup:	312 mm
Höjd:	390 mm
Nettoskatt:	1200 W
Grill:	Ja
Sladdlängd:	1 m
Förpackningens vikt:	18000 g
Förpackningens bredd:	690 mm
Djuppackning:	470 mm
Förpackningshöjd:	480 mm
Avfrostningsfunktion:	Ja
Installationsfackets bredd:	560 mm
Installationsfack djup:	350 mm
Installationsfack höjd:	380 mm
Automatisk tillagningsfunktion:	Ja
Skriv timer:	Mechanisch
Ursprungsland:	China
Typ grill:	Quartz-grill
Skivbordsmaterial:	Glas
Innermått (B x D x H):	315 x 329 x 174 mm
Timerns varaktighet:	30 min
Invändig beläggning:	Geverfd
AC-ingångsspänning:	230 - 240 V
Typ produkt:	Combinatiemagnetron