General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 11: Smart Metering - Application Specifications - Simple External Consumer Display

This European Standard specifies a data model to abstract the metering world towards a simple external. The data model, as described by means of functional blocks contained in this European Standard, lays down the format of metering data

Allgemeine Anforderungen an die Elektrische Systemtechnik für Heim und Gebäude (ESHG) und an Systeme der Gebäudeautomation (GA) - Teil 11: Smart Metering - Applikationsbeschreibung - Einfache externe Verbrauchsanzeige

Exigences générales pour systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) et pour systèmes de gestion technique du bâtiment (SGTB) - Partie 11: Comptage intelligent - Spécifications d'application - Affichage simple et externe du client

Splošne zahteve za stanovanjske in stavbne elektronske sisteme (HBES) in sisteme za avtomatizacijo in krmiljenje stavb (BACS) - 11. del: Inteligentno merjenje - Aplikacijske specifikacije - Preprost zunanji prikazovalnik za uporabnika - Dopolnilo A1

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Status
Published
Publication Date
09-Apr-2020
Current Stage
6060 - Document made available
Due Date
10-Apr-2020
Completion Date
10-Apr-2020

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SLOVENSKI STANDARD
SIST EN 50491-11:2015/A1:2020
01-junij-2020
Splošne zahteve za stanovanjske in stavbne elektronske sisteme (HBES) in
sisteme za avtomatizacijo in krmiljenje stavb (BACS) - 11. del: Inteligentno

merjenje - Aplikacijske specifikacije - Preprost zunanji prikazovalnik za uporabnika

- Dopolnilo A1

General requirements for Home and Building Electronic Systems (HBES) and Building

Automation and Control Systems (BACS) - Part 11: Smart Metering - Application
Specifications - Simple External Consumer Display
Allgemeine Anforderungen an die Elektrische Systemtechnik für Heim und Gebäude
(ESHG) und an Systeme der Gebäudeautomation (GA) - Teil 11: Smart Metering -
Applikationsbeschreibung - Einfache externe Verbrauchsanzeige

Exigences générales pour systèmes électroniques pour les foyers domestiques et les

bâtiments (HBES) et pour systèmes de gestion technique du bâtiment (SGTB) - Partie

11: Comptage intelligent - Spécifications dapplication - Affichage simple et externe du

Ta slovenski standard je istoveten z: EN 50491-11:2015/A1:2020
ICS:
35.240.67 Uporabniške rešitve IT v IT applications in building
gradbeništvu and construction industry
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
SIST EN 50491-11:2015/A1:2020 en,fr

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50491-11:2015/A1:2020
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SIST EN 50491-11:2015/A1:2020
EUROPEAN STANDARD EN 50491-11:2015/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2020
ICS 97.120
English Version
General requirements for Home and Building Electronic Systems
(HBES) and Building Automation and Control Systems (BACS) -
Part 11: Smart Metering - Application Specifications - Simple
External Consumer Display

Exigences générales pour systèmes électroniques pour les Allgemeine Anforderungen an die Elektrische

foyers domestiques et les bâtiments (HBES) et pour Systemtechnik für Heim und Gebäude (ESHG) und an

systèmes de gestion technique du bâtiment (SGTB) - Systeme der Gebäudeautomation (GA) - Teil 11: Smart

Partie 11: Comptage intelligent - Spécifications Metering - Applikationsbeschreibung - Einfache externe

d'application - Affichage simple et externe du client Verbrauchsanzeige

This amendment A1 modifies the European Standard EN 50491-11:2015; it was approved by CENELEC on 2020-01-09. CENELEC

members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the

status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the

responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as

the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 50491-11:2015/A1:2020 E
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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
Contents

European foreword ............................................................................................................................................. 3

1 Addition of Annex A .............................................................................................................................. 4

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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
European foreword

This document (EN 50491-11:2015/A1:2020) has been prepared by CLC/TC 205 “Home and Building

Electronic Systems (HBES)”.
The following dates are fixed:
• latest date by which this document has (dop) 2020-10-10
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2023-04-10
standards conflicting with this document
have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a mandate given to CENELEC by the European Commission

and the European Free Trade Association.
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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
1 Addition of Annex A
Add the following Annex A:
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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
Annex A
(informative)
Cross reference mapping EN 50491-11 and COSEM/OBIS
A.1 Introduction

This annex provides a cross reference mapping between the data interface specified in this document and the COSEM object class_IDs/OBIS codes.

A.2 Generic data points: MDC Generic Meter (M_GENERICM)

Most of these data points are the same as the electricity data points. See there.

Datapoint Description Datapoint Type COSEM object class_id, OBISR emark
code, attribute_id
CurrentConsumption Accumulated metering value.D PT_MeteringValue class_id:
Type of value to be interpreted OBIS code:
according to the Metering attribute_id:
DeviceType data point.
ReliabilityOfMeteringData Indicates whether metering data DPT_Bool class_id:
are up-to-date or outdated. OBIS code:
attribute_id:

HistoryStorageNumbers Array of storage numbers forD PT_Value_1_Ucount[n] class_id:

history values OBIS code:
attribute_id:
HistoryDate Array of date/time information DPT_DateTime[n] class_id:
for history values OBIS code:
attribute_id:
HistoryConsumption Array of volume consumption DPT_MeteringValue[n] class_id:
history values OBIS code:
attribute_id:
RxSequenceCounter Sequence counter generated DPT_Value_1_Ucount class_id:
locally by the receiver and OBIS code:
incremented each time a attribute_id:
metering message is received.
This property is used for
consistency checking
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SIST EN 50491-11:2015/A1:2020
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RxReceptionTime Time stamp generated locallyD PT_DateTime class_id:
by the receiver each time a OBIS code:
metering message is received attribute_id:
Manufacturer Mmanufacturer code DPT_Value_2_Ucount class_id:
OBIS code:
attribute_id:
IdentificationNumber Mapping 8 Digit BCD -DPT_Value_4_Ucount class_id:
> unsigned long integer OBIS code:
attribute_id:
VersionNumber Version of the device, structure DPT_Value_1_Ucount class_id:
is manufacturer specific OBIS code:
attribute_id:
MeteringDeviceType Metering Device Type.D PT_Metering_DeviceType class_id:
Supported values in OBIS code:
M_GENERICM are: attribute_id:
0: Other Medium
1: Oil
5: Steam
255: void Medium
FabricationNumber Mapping 8 Digit BCD -DPT_Value_4_Ucount class_id:
> unsigned long integer OBIS code:
attribute_id:
AccessNumber Consecutive message numberD PT_Value_1_Ucount class_id:
that is generated by the OBIS code:
metering device attribute_id:
DeviceStatus Combined Status/Error-code DPT_Value_1_Ucount class_id:
(bitset) OBIS code:
attribute_id:
OperatingTime Duration of meter accumulation DPT_LongDeltaTimeSec class_id:
OBIS code:
attribute_id:
OnTime Duration of Meter power up DPT_LongDeltaTimeSec class_id:
OBIS code:
attribute_id:
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CurrentDate Date and time of the meter DPT_DateTime class_id:
OBIS code:
attribute_id:
ErrorDate Date and time of Error event DPT_DateTime class_id:
OBIS code:
attribute_id:
ErrorConsumption value of volume consumption atD PT_MeteringValue class_id:
the moment when an error OBIS code:
occurred attribute_id:
ReliabilityOfMeteringData Indicates whether metering data DPT_Bool class_id:
are up-to-date or outdated. OBIS code:
attribute_id:
AveragingDuration Measuring time for currentD PT_LongDeltaTimeSec class_id:
min/max value generation OBIS code:
(integration time) attribute_id:
Metering Raw Data raw data of Metering telegram DPT_Value_1_Ucount [n] class_id:
OBIS code:
attribute_id:
UserText Additional text information to DPT_VarString_8859–1 class_id:
the metering device, which can OBIS code:
be entered by the installer attribute_id:
during commissioning
MeterReplacement Indicates that the connectedD PT_Bool class_id:
meter is replaced. This data OBIS code:
point shall be set automatically attribute_id:
by the Data interface and has to
be reset manually by the
installer/service technician

MeterReplacementCounter Indicates the number of meterD PT_Value_1_Ucount class_id:

replacements. The counter shall OBIS code:
be incremented automatically attribute_id:
each time a meter is replaced.
The Datapoint is (normally)
read only.
Currency Indicates the currencyD PT_Currency class_id:
applicable for the costs and OBIS code:
credit communicated by the attribute_id:
server to the client (e.g. data
interface to the display)
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Accumulated Cost Indicates the accumulated costsDP T_Cost class_id:
of the energy consumption OBIS code:
(negative values would allow attribute_id:
encoding profit)
Current Credit Indicates the current credit levelD PT_Credit class_id:
(negative values would allow OBIS code:
encoding debit) attribute_id:
Mode Indicates the current mode ofD PT_Meter_Mode class_id:
the meter OBIS code:
attribute_id:

Battery Status Indicates the current status ofD PT_Battery_State class_id: 3 In COSEM / OBIS there are many battery related

the battery in the meter OBIS code: 0–0:96.6.1.255 objects.
attribute_id: 2 See EN 62056-6-1:2017 Table 8:
- Battery use time counter;
- Battery charge display (with D = 6 E = 1);
- Date of next battery change;
- Battery voltage;
- Battery initial capacity;
- Battery installation date and time;
- Battery estimated remaining use time
A.3 Electricity data points: MDC Electricity Meter (M_ELECM)
Datapoint Description Datapoint Type COSEM object class_id, OBIS code,R emark
attribute_id

CurrentEnergyConsumptiAccumulated active energyD PT_ActiveEnergy class_id: 3 In COSEM / OBIS, per phase values are also

on import value OBIS code: 1–0:1.8.0.255 available:
attribute_id: 2, value C = 1: All phases
attribute_id: 3, scaler_unit C = 21: Phase 1
C = 41: Phase 2
C = 61: Phase 3

CurrentEnergyProductionA ccumulated active energyD PT_ActiveEnergy class_id: 3 In COSEM / OBIS per phase values are also

export value OBIS code: 1–0:2.8.0.255 available:
attribute_id: 2, value C = 2: All phases
attribute_id: 3, scaler_unit C = 22: Phase 1
C = 42: Phase 2
C = 62: Phase 3

CurrentReactiveEnergy Current reactive Energy DPT_MeteringValue class_id: 3 In COSEM / OBIS per phase and per quadrant

OBIS code: 1–0:3.8.0.255 Reactivear e also available.
power + For details see EN 62056-6-1:2017 Table 13
attribute_id: 2, value and Figure 1.
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EN 50491-11:2015/A1:2020 (E)
Datapoint Description Datapoint Type COSEM object class_id, OBIS code,R emark
attribute_id
attribute_id: 3, scaler_unit
class_id: 3
OBIS code: 1–0:4.8.0.255 Reactive
power –
attribute_id: 2, value
attribute_id: 3, scaler_unit

BreakerState Describing the status of theD PT_Meter_BreakerVal class_id: 70, Disconnect control See:

breaker: Energy supply isv e_State OBIS code: 0–0:96.3.10.255 - EN 62056-6-1:2017 Table 8;

closed or open or released. attribute_id: 2, output_state - EN IEC 62056-6-2:2018 5.4.8.

ReliabilityOfMeteringDat Indicates whether metering dataD PT_Bool class_id: This information cannot be provided by the

a are up-to-date or outdated. OBIS code: meter.
attribute_id: 2, output state This is information the display shall provide to
the home automation network if experiencing
problems obtaining the data from the metering
infrastructure.

CurrentEnergyConsumptiAccumulated active energyD PT_MeteringValue[n] class_id: 3 In OBIS value group E is used to identify tariffs.

onTariff1 to 16 import value Tariff 1 to 16 OBIS code: 1–0:1.8.1...16.255 See EN 62056-6-1:2017 Table 15.

attribute_id: 2, value The usage of each tariff (e.g. day, night etc.) is
attribute_id: 3, scaler_unit left to project specific companion specifications.
Per phase values are also available, see above.

CurrentEnergyProductionAccumulated active energyD PT_MeteringValue[n] class_id: 3 In OBIS value group E is used to identify tariffs.

Tariff1 to export value Tariff 1 to 16 OBIS code: 1–0:2.8.1...16.255 See EN 62056-6-1:2017 Table 15.

16 attribute_id: 2, value The usage of each tariff (e.g. day, night etc.) is
attribute_id: 3, scaler_unit left to project specific companion specifications.
Per phase values are also available, see above.

HistoryEnergyConsumptiArray of energy consumptionD PT_MeteringValue[n] class_id: 3 Historical values may be held by Register objects

on history values Tariff1 to 16 OBIS code: 1–0:1.8.1...16.101…125 or by Profile generic objects.

Tariff1 to f16 attribute_id: 2, value See EN IEC 62056-6-2:2018, 6.2.2.
attribute_id: 3, scaler_unit Here, the Register objects are used.
Value group F = 101…125 identifies the past
1...past 25 historical values relative to the current
one.
It is also possible to use identification of historical
values relative to the current billing period
counter.
Per phase values are also available, see above.

HistoryEnergyProduction Array of energy productionD PT_MeteringValue[n] class_id: 3 See above.

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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
Tariff1 to 16 history values Tariff1 to 16 OBIS code: 1–0:2.8.1...16.101…125
attribute_id: 2, value
attribute_id: 3, scaler_unit

CurrentActivePowerConsCurrent measured powerD PT_Power class_id: 3 This data point represents power (not energy).

umption consumption OBIS code: 1–0:1.4.0.255 Per phase values are also available.

attribute_id: 2, value See EN 62056-6-1:2017, Table 14.
attribute_id: 3, scaler_unit
CurrentActivePowerProdCurrent measured powerD PT_Power class_id: 3 See above.
uction production OBIS code: 1–0:2.4.0.255
attribute_id: 2, value
attribute_id: 3, scaler_unit

CurrentTariff Current tariff register value DPT_Tariff class_id: 1 Value group E identifies the active tariff.

OBIS code: 0–0-96 .14.0...15. 2555 E = 15 carries the name of register with the
attribute_id: 2, value lowest tariff (default tariff register).
See EN 62056-6-1:2017, Table 8.
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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)

Power Threshold Status Status of the active PowerD PT_Power_Threshold_class_id: 3 DLMS/COSEM allows displaying / logging

import Status OBIS code: minimum
attribute_id: and maximum values, there are objects for:
- Under limit threshold;
- Under limit occurrence counter;
- Under limit duration;
- Under limit magnitude.
- Over limit threshold;
- Over limit occurrence counter;
- Over limit duration;
- Over limit magnitude.
See EN 62056-6-1:2017, Table 14.

Power Threshold Value Value of the current powerD PT_MeteringValue class_id: 3 see:

threshold OBIS code: 1–0:1.35.255 - EN IEC 62056-6-2:2018. 6.3.9 and
attribute_id: 2, value - EN 62056-6-1:2017. Table 14:
D = 35: Over limit threshold

HistoryStorageNumbers Array of storage numbers forD PT_Value_1_Ucount class_id: 1 See EN 62056-6-1:2017, Table 8.

history values [n] OBIS code: 0–0:0.1.0.255
attribute_id: 2, value

HistoryDate Array of date/time informationD PT_DateTime[n] class_id: 1 VZ is the billing period counter.

for history values OBIS code: 1–0:1.2.VZ …VZ-N See EN IEC 62056-6-2:2018, 6.2.2.
attribute_id: 2, value

RxSequenceCounter Sequence counter generated DPT_Value_1_Ucount class_id: This is data the display stores, as a result of the

locally by the receiver and OBIS code: reception of metering data. In the case of the

incremented each time a attribute_id: RxSequenceCounter, the data point is
metering message is received. incremented with each metering message that is
This data point shall be used received. In the case of RxReceptionTime, this
for consistency checking. data point keeps the time when the metering
message was received.
This data cannot be modelled on the meter side.
RxReceptionTime Time stamp generated locally DPT_DateTime class_id: See above.
by the receiver each time a OBIS code:
metering message is received attribute_id:

Manufacturer manufacturer code DPT_Value_2_Ucount class_id: 1 In COSEM / OBIS, ten objects are available

OBIS code: 0-b:96.1.0...9.255 identified with value group E.
attribute_id: 2, value Their use shall be specified in project specific
companion specifications.
See EN 62056-6-1:2017, Table 8.

IdentificationNumber Mapping 8 Digit BCD toD PT_Value_4_Ucount As above. As above.

unsigned long integer
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VersionNumber Version of the device, structure DPT_Value_1_Ucount As above. As above.

is manufacturer specific

MeteringDeviceType Metering Device Type.D PT_Metering_DeviceT As above. As above.

Supported values in M_ELECMyp e
are:
2: Electricity
255: void Medium
FabricationNumber Mapping 8 Digit BCD toD PT_Value_4_Ucount As above. As above.
unsigned long integer

AccessNumber Consecutive message number DPT_Value_1_Ucount class_id: There is no object available for this purpose.

that is generated by the OBIS code: However, the invoke_id element of the DLMS
metering device attribute_id: APDU can be used for this purpose: it is
incremented by the meter for each APDU.
See IEC 62056-5-3 Ed.3.0, 4.2.4.4.3.

DeviceStatus Combined Status/Error-code DPT_Value_1_Ucount class_id: 1 In COSEM / OBIS five objects are available

(bitset) OBIS code: 0–0:96.5.0...4.255 identified with value group E
attribute_id: 2, value If only one is needed use E = 0.
See EN 62056-6-1:2017, Table 8.

OperatingTime Duration of meter accumulation DPT_LongDeltaTimeSe class_id: 3 Value group E identifies the tariff.

c OBIS code: 0–0: 96.8.1...63.255 0 = total
attribute_id: 2, value See EN 62056-6-1:2017, Table 8.
attribute_id: 3, scaler_unit

OnTime Duration of Meter power up DPT_LongDeltaTimeSe class_id: 3 This data point indicates the time the meter has

c OBIS code: 0.-b:96.8.0.255 been operational.
attribute_id: 2, value In COSEM / OBIS per tariff values are also
attribute_id: 3, scaler_unit available with D = 1..63
See EN 62056-6-1:2017, Table 8.

CurrentDate Date and time of the meter DPT_DateTime class_id: 8 See EN 62056-6-1:2017, Table 20.

OBIS code: 1–0:1.0.0.255
attribute_id 2, time
Also available separately:
Local time:
class_id: 1
OBIS code: 1–0:0.9.1.255
attribute_id: 2, value
Local date:
class_id: 2
OBIS code: 1–0:0.9.1.255
attribute_id: 2, value
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ErrorDate Date and time of Error event DPT_DateTime class_id: 4 DLMS/COSEM does not standardize the event

OBIS code: 0–0:96.11.0...99.255 codes. They shall be specified in project specific

attribute_id: 2, value holds an eventc ompanion specifications.
code See EN 62056-6-1:2017, Table 8 and
Attribute 4, capture_time holds the timeS ee EN 62056-6-1:2017, 6.2.51.
when the event occurs.

ReliabilityOfMeteringDatIndicates whether DPT_Bool class_id: This information the meter cannot provide; this is

a metering data are up-to- OBIS code: information the display shall provide to the home

date or outdated. attribute_id: automation network if experiencing problems
obtaining the data from the metering
infrastructure.

AveragingDuration Measuring time for currentD PT_LongDeltaTimeSe class_id: 3 DLMS/COSEM supports three different

min/max value generationc OBIS code: 1–0:0.8.0.255 averaging schemes. Each can use a different

(integration time) attribute_id: 2, value duration.
attribute_id: 3, scaler_unit See EN 62056-6-1:2017, Table 14.

MeteringRawData raw data of Metering telegram DPT_Value_1_Ucount class_id: 4 Values captured from M-Bus meters are stored

[n] OBIS code: 0-b:24.2.0.127.255 in M-Bus value objects.
attribute_id: 2 See EN IEC 62056-6-2:2018, 6.2.22.

UserText Additional text information to DPT_VarString_8859–1 class_id: 2 Consumer message via local consumer

the metering device, which can OBIS code:0–0:96.13.0.255 information port.
be entered by the installer attribute_id: 2 See EN 62056-6-1:2017, Table 8.
during commissioning

MeterReplacement Indicates that the DPT_Bool class_id: The display shall keep track of this information

connected meter is OBIS code: locally.
replaced. This data point attribute_id:
shall be set automatically
by the Data interface and
has to be reset manually by
the installer/service
technician.

MeterReplacementCountIndicates the number of meter DPT_Value_1_Ucount class_id: See above.

er replacements. The counter OBIS code:
shall be incremented attribute_id:
automatically each time a meter
is replaced. The Datapoint is
(normally) read only.

Currency Indicates the currencyD PT_Currency class_id: 111, Account Up to 10 Account objects are possible.

applicable for the costs and OBIS code:0–0:19.0…9.0.255 See EN IEC 62056-6-2:2018, Tab

credit communicated by the attribute_id: 15, currency
server to the client (e.g. data
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interface to the display)

Accumulated Cost Indicates the accumulated DPT_Cost class_id: 113, Charge In COSEM / OBIS Up to 10 Charge objects

costs of the energy OBIS code: 0–0:19. 20…29.0 255 are possible.

consumption (negative attribute_id: 2, total_amount_paid See EN IEC 62056-6-2:2018, 6.2.17.

values would allow
encoding profit)

Current Credit Indicates the current credit DPT_Credit class_id: 112, Credit Up to 10 Credit objects of different types are

level (negative values OBIS code: 0–0:19. 10…19.0 255 possible.

would allow encoding debit) attribute_id: 2, See EN IEC 62056-6-2:2018, 5.5.34 and

current_credit_amount 6.2.17.

Mode Indicates the current mode DPT_Meter_Mode class_id: 111, Account payment_mode: enum:

of the meter OBIS code:0–0-19.0…9.0.255 (1) Credit mode,
attribute_id: 2, (2) Prepayment mode
account_mode_and_Status account_status: enum:
attribute 8: credit_status (1) New (inactive) account,
Possible values: (2) Account active,
enum: (3) Account closed
(0) The instance of the credit class
is in the state of Enabled,
(1) The instance of the credit class
is in the Selectable state,
(2) The instance of the credit class
is in the Selected/Invoked state,
(3) The instance of the credit class
is in the In use state and may be
consumed by charges,
(4) The current_credit_amount has
been entirely consumed and the
credit is considered Exhausted.
Notice that a meter may have
several credit objects and there is
no overall credit_status available.
A.4 MDC Heat Heatmeter (M_HEATM)
Datapoint Description Datapoint Type COSEM object class_id, Remark
OBIS code, attribute_id
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Datapoint Description Datapoint Type COSEM object class_id, Remark
OBIS code, attribute_id

CurrentEnergyConsumptio Accumulated energy value DPT_MeteringValue class_id:3 General:

OBIS code: 5/6–0:1.0.0*255 Value group A value
specified as
attribute_id: 2, value
5: Cooling only
attribute_id: 3, scaler_unit
5: Combined heat/cooling
6: Heat only and combined
heat/cooling
TempFlowWater Current flow temperature DPT_Value_Temp class_id:3 –-
OBIS code: 5/6–
0:10.0.255*255.
attribute_id: 2, value
attribute_id: 3, scaler_unit
TempReturnWater Current Return temperature DPT_Value_Temp class_id:3 –-
OBIS code:5/ 6–
0:11.0.255*255
attribute_id: 2, value
attribute_id: 3, scaler_unit
TempDiffWater Current Temperature difference DPT_Value_Tempd class_id:3 –-
OBIS code: 5/6–
0:12.0.255*255
attribute_id: 2, value
attribute_id: 3, scaler_unit

ReliabilityOfMeteringData Indicates whether metering data are up-to- DPT_Bool class_id: Not specified

date or outdated.
OBIS code: see M_ELECM
attribute_id:
---------------------- Page: 17 ----------------------
SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)
CurrentPower Current measured power DPT_MeteringValue class_id:3 –-
OBIS code:5/ 6–0:8.0.0*255
attribute_id: 2, value
attribute_id: 3, scaler_unit
CurrentVolumeFlow Current measured volume flow DPT_MeteringValue class_id: 3 –-
OBIS code: 5/6–0:9.0.0*255
attribute_id: 2, value
attribute_id: 3, scaler_unit

CurrentEnergyConsumptio Current energy consumption Tarif 1 DPT_MeteringValue class_id:3 –-

n_T1
OBIS code: 5/6–0:1.0.1*255
attribute_id: 2, value
attribute_id: 3, scaler_unit

HistoryStorageNumbers Array of storage numbers for history DPT_Value_1_Ucount[n] class_id: 1 VZ is the billing period

values counter
OBIS code 5/6–0:0.1.1* VZ
…VZ
-N Value group F with
attribute_id: 2, value VZ …VZ-N = 0...99 or 101..125
see M_ELECM

HistoryDate Array of date/time information for history DPT_DateTime[n] class_id: 1 Value group E :

values
OBIS code: 5/6– e = 11 – set date
0 :0.1.e*VZ...VZ
e = 12 – billing date
attribute_id: 2, value
VZ: see above

HistoryEnergyConsumptio Array of energy consumption history DPT_MeteringValue[n] VZ: see above

class_id:3
n values
OBIS code: 5/6–
0:1.0.0*VZ...VZ
attribute_id: 2, value
attribute_id: 3, scaler_unit
---------------------- Page: 18 ----------------------
SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)

HistoryEnergyConsumptio Array of energy consumption tarif 1 DPT_MeteringValue[n] class_id:3 VZ: see above

n_T1 history values
OBIS code: 5/6–0:1.0.1*
VZ...VZ
attribute_id: 2, value
attribute_id: 3, scaler_unit

HistoryVolumeMaxFlow Array of Max Volume Flow history values DPT_MeteringValue[n]

class_id:3 VZ: see above
OBIS code:5/ 6– –-
0:9.5.255*VZ...VZ-N
attribute_id: 2, value
attribute_id: 3, scaler_unit

HistoryVolumeMinFlow Array of Min Volume Flow history values DPT_MeteringValue[n] class_id:3 VZ: see above

OBIS code: 5/6– –-
0:9.4.255*VZ...VZ
attribute_id: 2, value
attribute_id: 3, scaler_unit

HistoryMaxPower Array of Max. Power history values DPT_MeteringValue[n] class_id:3 VZ: see above

OBIS code:5/ 6–
0:8.5.255*VZ...VZ
attribute_id: 2, value
attribute_id: 3, scaler_unit

HistoryMinPower Array of Min. Power history values DPT_MeteringValue[n] class_id:3 VZ: see above

OBIS code: 5/6– –-
0:8.4.255*VZ...VZ-N
attribute_id: 2, value
attribute_id: 3, scaler_unit

RxSequenceCounter Sequence counter generated locally by the DPT_Value_1_Ucount class_id: not specified.

receiver and incremented each time a
OBIS code: See M_ELECM
metering message is received. This data
attribute_id:
point shall be used for consistency
checking.
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SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)

RxReceptionTime Time stamp generated locally by the DPT_DateTime class_id: not specified.

receiver each time a metering message is
OBIS code: See M_ELECM
received
attribute_id:

Manufacturer manufacturer code of the connected meter DPT_Value_2_Ucount class_id:1

See M_ELECM : e = 0..9
OBIS code: 5/6–0:0.0.e*255
attribute_id: 2, value

IdentificationNumber Mapping 8 Digit BCD to unsigned long DPT_Value_4_Ucount As above. As above. See M_ELECM

integer
VersionNumber Version of the device, structure is DPT_Value_1_Ucount
As above. As above. See M_ELECM
manufacturer specific

Metering DeviceType Metering Device Type. Supported values in DPT_Metering_DeviceType

As above. As above. See M_ELECM
M_HEATM are:
4 : Heat meter
10 : Cooling Load energy
meter (outlet)
11 : Cooling Load energy
meter (inlet)
12 : Heat energy (inlet)
13 : Heat and Cool energy
255 : void Medium

FabricationNumber Mapping 8 Digit BCD to unsigned long DPT_Value_4_Ucount As above. As above. See M_ELECM

integer

AccessNumber Consecutive message number that is DPT_Value_1_Ucount class_id: There is no object available

generated by the metering device for this purpose. See
OBIS code:
M_ELECM
attribute_id:
---------------------- Page: 20 ----------------------
SIST EN 50491-11:2015/A1:2020
EN 50491-11:2015/A1:2020 (E)

DeviceStatus Combined Status/Error-code (bitset) DPT_Value_1_Ucount class_id: 1 Five objects are available

identified with value group E
OBIS code: 0–0:96.5.
...

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