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TECHNICAL DESCRIPTION Wired M-Bus • Water Meters flowIQ® 2101

/

3100

6

Kamstrup A/S · Technical Description · 55121944_A1_GB_08.2016

5

Data communication

5.1

Bus communication

The M-Bus water meter design is based on the newest technology, offering high-speed communication as well as
very frequent reading interval.

The transmission speed is automatically detected by the M-Bus water meter. When the M-Bus water meter
receives a message from the M-Bus Master on a certain speed, it will reply with the same speed.

The M-Bus water meters flowIQ® 2101/3100 supports 300, 2400 and 9600 baud communication speed.

5.2

Communication interval

In order to maintain the full 16 years battery lifetime of the water meter, the read out interval shall be longer than
1 minute. Since the most frequent integration interval in the flowIQ® 2101/3100 is 32 seconds, a more frequent
reading is not recommended. A more frequent reading interval than 32 seconds will provide redundant
information.

5.3

Addressing forms

To make the M-Bus system operate with more M-Bus water meters connected, it is necessary to distinguish
between the individual M-Bus water meter. This is done by means of following M-Bus ID numbers in each M-Bus
meter:

•

Primary address:

001...250, and the special addresses 0, 253, 254 and 255

•

M-Bus ID number:

8 digits 00000000… 99999999

•

Manufacturer ID:

Always 2D2Ch for ’KAM‘ for Kamstrup M-Bus water meter

•

Version ID flowIQ® 2101

1Fh

•

Version ID flowIQ® 3100

1Dh

•

Device type ID:

06h = Volume warm, 16h = Volume cold

•

Fabrication number:

Serial number, 8 digits 0000000… 99999999

When the M-Bus Master sends a message on the M-Bus, some or all of the above ID numbers on the M-Bus water
meters are encoded in the message. Thus, only the M-Bus water meter with the addressed ID numbers will reply.

Manufacturer ID, Version ID and Fabrication number are permanently encoded into the M-Bus water meter and
cannot be changed.

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Содержание flowIQ 2101

Страница 1: ...Technical Description Wired M Bus Water Meters flowIQ 2101 3100...

Страница 2: ...ation 6 5 2 Communication interval 6 5 3 Addressing forms 6 5 3 1 Primary addressing 7 5 3 2 Secondary addressing 8 5 3 3 Enhanced secondary addressing 9 5 3 4 Wildcard search with break detection 10...

Страница 3: ...3 Application select reset 19 8 Protocol 20 8 1 RSP_UD data flowIQ 2101 3100 data using Kamstrup specified VIFE 20 8 2 RSP_SKE response from flowIQ 2101 3100 25 8 3 Data header in RSP_UD 26 8 4 DIF Da...

Страница 4: ...it is possible only to transmit one way at a time on the M Bus The framing of the communication is 1 start bit 8 data bits 1 parity bit even and 1 stop bit The M Bus is communicating via voltage modu...

Страница 5: ...ng and future applications 3 1 1 Analysis The flowIQ 2101 3100 support high quantities of data and all relevant data for analysis can be read out This is valid for both actual meter data as well as fo...

Страница 6: ...re frequent reading is not recommended A more frequent reading interval than 32 seconds will provide redundant information 5 3 Addressing forms To make the M Bus system operate with more M Bus water m...

Страница 7: ...ia M Bus master In connection with primary addressing of the M Bus two or more M Bus water meters on the same M Bus system cannot have the same primary address However in connection with secondary add...

Страница 8: ...ual bytes with wildcard characters See chapter 5 3 4 for further information Selection of M Bus water meter via secondary address and deselecting other M Bus water meter Start character 68h L field 0B...

Страница 9: ...d via enhanced secondary address it will reply to primary address 253 as it is with the ordinary secondary addressing The M Bus water meter is deselected either by sending a new selection via primary...

Страница 10: ...y address may be replaced by the wildcard byte value FFh The values for DIF 0Ch for 4 bytes 8 digit BCD and VIF 78h for fabrication number in connection with enhanced secondary addressing cannot be re...

Страница 11: ...not returned The meaning of the CI Field CI FIELD 50h Application select reset Select is used for logger reading applications A reset will select the default application 51h Normal transmission of SND...

Страница 12: ...water meter only supports Mode 1 data format where all multi byte data values to and from the M Bus water meter are transmitted with Least Significant Byte LSB first In the default application the FC...

Страница 13: ...byte 1 xx Checksum xxh Stop character 16h 5 6 M Bus slave to M Bus master RSP_UD Long frame Data to M Bus Master See telegram later RSP_SKE Short frame Data to M Bus Master See telegram later ACK Sing...

Страница 14: ...a alarm protocol and using communication status bit SND_NKE ACK The M Bus Master normalizes the M Bus water meter with an SND_NKE and the M Bus water meter acknowledges successful receipt of the messa...

Страница 15: ...t 4 in the status field 5 7 1 Status field flowIQ 2101 3100 info codes are mapped to the error bit Temporary error bit 4 when any info code is active Further the Power Low bit 2 in the status field is...

Страница 16: ...o decode special data registers in an easier way Kamstrup has taken the approach to define a number of manufacturer VIF extensions so called VIFE The outcome is that most reading systems can show the...

Страница 17: ...ta Meter data M Bus ID Manufacturer ID Version ID Device type Access counter Status info codes Configuration not used Water meter reading volume Volume reverse Hour counter Actual flow Actual ambient...

Страница 18: ...quently 7 1 Setting Primary M Bus address A dedicated register in the flowIQ 2101 3100 is used for storing the primary address This register may be overwritten with a new M Bus primary address using t...

Страница 19: ...ord 04h DIF 4 bytes compound data type F Date and time 6Dh VIF Date and time e g 02 09 04 13 10 standard time valid Date time LSB 0Ah IV 0 MI5 MI4 MI3 MI2 MI1 MI0 Date time 2Dh SU HY1 HY0 H4 H3 H2 H1...

Страница 20: ...hown for a Version ID for flowIQ 2101 3100 water meter flowIQ 2101 flowIQ 3100 Byte Field Value Description 1 Start character 68h 2 L field 8Ah Length 138 bytes 3 L field 8Ah Length 138 bytes 4 Start...

Страница 21: ...e binary maximum value 54 VIF 3Bh Flow in l h 55 Max Flow 2Ah 298 l h 56 01h 57 DIF 21h 1 byte binary minimum value 58 VIF 5Bh Media temperature in C 59 Min Tmedia 05h 5 C 60 DIF 01h 1 byte binary 61...

Страница 22: ...um value 105 VIF 67h Ambient temperature in C 106 Min Tambient Month 10h 16 C 107 DIF 51h 1 byte binary monthly maximum value 108 VIF 67h Ambient temperature in C 109 Max Tambient Month 24h 36 C 110 D...

Страница 23: ...ld 72h 8 ID Number 78 BCD E g ID 12345678 9 56 BCD 10 34 BCD 11 12 BCD 12 Man ID 2Dh Manufacturer ID for Kamstrup A S KAM 13 2Ch 14 Version ID 1Dh Version ID for flowIQ3100 15 Device ID 16h E g 16h Co...

Страница 24: ...ent temperature 62 FFh 63 0Fh 64 Avg Tambient 1Ah 26 C 65 DIF 04h 4 byte binary 66 VIF 6Dh Type F Compound CP32 67 Date Time 02h E g CP32 23173782h 2017 03 23 23 02 68 37h 69 37h 70 23h 71 DIF 44h 4 b...

Страница 25: ...Eh 122 SW Revision 01h Software revision D1 123 04h 124 Checksum xxh 125 Stop Character 16h Note A target value may read as zero until passing the set target date 8 2 RSP_SKE response from flowIQ 2101...

Страница 26: ...00101101 C Manufacturer Id 2D ascii K 64 32 32 ascii A 64 32 MANUFACTURER 00101100 C Manufacturer Id 2C ascii M 64 ISO 60870 standard VERSION ID 1Fh 1Dh C M Bus version ID for flowIQ2101 M Bus version...

Страница 27: ...RATURES maximum daily 00010001 11h 8 bit binary Maximum Value Type B TEMPERATURES minimum monthly 01100001 61h 8 bit binary Minimum Monthly Value Type B TEMPERATURES average monthly 01000001 41h 8 bit...

Страница 28: ...h 00100010 Hour counter Hours Hours 3Bh 00111011 Flow l h m h 10 3 5Bh 01011011 Water temperature C C 67h 01100111 Ambient temperature C C 3Bh 00111011 Min flow since midnight l h m h 10 3 3Bh 0011101...

Страница 29: ...F The M Bus water meter uses information from the meter to place units decimal points and number of decimals on the values in the M Bus telegram ensuring that they correspond to the values read on the...

Страница 30: ...TECHNICAL DESCRIPTION Wired M Bus Water Meters flowIQ 2101 3100 30 Kamstrup A S Technical Description 55121944_A1_GB_08 2016 End of document...

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