User Manual
LoRaWAN
mME DTZ541 Three-phase electricity meter
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2 Preface
LoRaWAN mME DTZ541, it is a new innovative product that was developed for the German market.
The meter has 2 communication channels "LoRaWAN" and "LoRa". With the LoRaWAN network,
the meter can regularly send the defined measurement data to the server. In addition, the user can use
a LoRa adapter to query all measurement data from the meter at any time and also set all parameters.
As the "modern measuring device", the meter meets all legal requirements as well as standards and
normative documents. The main ones are listed in the following table:
Norm
Explanation
IEC 62052-11
AC electricity meters - General requirements, tests and test conditions - Part
11: Measuring devices
IEC 62053-21
AC Electricity Meter - Special Requirements. Part 21: Electronic active
consumption meters of accuracy classes 1 and 2
IEC 62056-21
Electricity metering - Data exchange for meter reading, tariff and load control -
Part 21: Direct local data exchange
SML 1.04
SML – Smart Message Language
EN 50470-1
AC electricity meter; General requirements, tests and test conditions -
measuring equipment (accuracy classes A, B andC); German version
EN50470-1: 2006 Correction to DIN 50470-1 (VDE 0418-0-1): 2007-05
EN 50470-3
ALTERNating current electricity meter; Special requirements - Electronic
power consumption counters (accuracy classes A, B and C); German version
EN 50470-3:2006
DIN 43857-2
Electricity meter in insulating housing for direct connection up to 60 A limit
current Main dimensions for three-phase meters
EN 60999-1
Connection material - Electric copper conductors; Safety requirements for
screw terminals and screwless terminal points - Part 1: General requirements
and special requirements for terminal points for conductors from 0.2 mm
2
up to
and including 35 mm
2
Richtlinie
2014/32/EU
DIRECTIVE 2014/32 / EU OF THE EUROPEAN PARLIAMENT AND OF
THE COUNCIL of February 26, 2014 on the harmonization of the laws of the
member states regarding the making available of measuring instruments on the
market
Lastenheft
Funktionale
Merkmale
VDE / FNN instructions, specifications for basic meter functional features,
version 1.3 (11/2016)
