Solvimus MBUS-M13 Series Manuale utente

MBUS-M13 - USER MANUAL

MBUS-M13

M-Bus-Master

OEM-Module

Version: 1.09

Date: 6 December 2022

Authors:

Remo Reichel, Frank Richter

solvimus GmbH

Ratsteichstr. 5

98693 Ilmenau

Germany

solvimus GmbH – Ratsteichstr. 5 – 98693 Ilmenau – Germany

Telephone: +49 3677 7613060 – Fax: +49 3677 7613069 – E-Mail: [email protected]

MBUS-M13 - User manual

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Table of Contents

Table of Contents 3

1 Notes and conventions 4

1.1 Aboutthisdocument ....................................... 4

1.2 Legalbasis............................................. 4

1.2.1 Placingonthemarket................................... 4

1.2.2 Copyrightprotection ................................... 4

1.2.3 Personnelqualiﬁcation .................................. 4

1.2.4 Intendeduse........................................ 4

1.2.5 Exclusionofliability.................................... 4

1.2.6 Disclaimer......................................... 4

1.3 Symbols .............................................. 5

1.4 Fontconventions ......................................... 5

1.5 Numbernotation ......................................... 5

1.6 Safetyguidelines.......................................... 6

1.7 Scope ............................................... 6

1.8 Abbreviations ........................................... 6

2 Introducing the device 9

2.1 Generalinformation ........................................ 9

2.2 Structureofthemodule...................................... 9

2.3 Deliveryvariants.......................................... 9

2.4 Connectors............................................. 10

2.4.1 Terminals at the edge for pin headers . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.2 ConnectorX1 ....................................... 11

2.4.3 SignallingontheM-Bus ................................. 11

2.5 Technicaldata........................................... 12

2.5.1 Generalspeciﬁcations................................... 12

2.5.2 Electrical speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.6 Typical application scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.6.1 Wiringdiagrams...................................... 14

2.6.2 Reference circuit with collision indication and EMC precautions . . . . . . . . . . . . 16

2.6.3 Timing and performance diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3 Accessory 18

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MBUS-M13 - User manual

1 Notes and conventions

1.1 About this document

This manual provides guidance and procedures for a fast and eﬃcient installation and start-up of the units

described in this manual. It is imperative to read and carefully follow the safety guidelines.

1.2 Legal basis

1.2.1 Placing on the market

Manufacturer of the MBUS-M13 is the solvimus GmbH, Ratsteichstraße 5, 98693 Ilmenau, Germany.

1.2.2 Copyright protection

This documentation, including all illustrations contained therein, is protected by copyright. The author is

solvimus GmbH, Ilmenau. The exploitation rights are also held by solvimus GmbH. Any further use that

deviates from the copyright regulations is not allowed. Reproduction, translation into other languages, as

well as electronic and phototechnical archiving and modiﬁcation require the written permission of solvimus

GmbH. Violations will result in a claim for damages. The solvimus GmbH reserves the right to provide for any

alterations or modiﬁcations that serve to increase the eﬃciency of technical progress. All rights in the event

of the granting of a patent or the protection of a utility model are reserved by solvimus GmbH. Third-party

products are always mentioned without reference to patent rights. The existence of such rights can therefore

not be excluded.

1.2.3 Personnel qualiﬁcation

The product use described in this documentation is intended exclusively for qualiﬁed electricians or persons

instructed by these. They must all have good knowledge in the following areas:

•Applicable standards

•Use of electronic devices

1.2.4 Intended use

If necessary, the components or assemblies are delivered ex works with a ﬁxed hardware and software conﬁg-

uration for the respective application. Modiﬁcations are only permitted within the scope of the possibilities

shown in the documentation. All other changes to the hardware or software as well as the non-intended use

of the components result in the exclusion of liability on the part of solvimus GmbH. Please send any requests

for a modiﬁed or new hardware or software conﬁguration to solvimus GmbH.

1.2.5 Exclusion of liability

Study this manual and all instructions thoroughly prior to the ﬁrst use of this product and respect all safety

warnings, even if you are familiar with handling and operating electronic devices.

The solvimus GmbH accepts no liability for damage to objects and persons caused by erroneous operation, inap-

propriate handling, improper or non-intended use or disregard for this manual, especially the safety guidelines,

and any warranty is void.

1.2.6 Disclaimer

All products, company names, trademarks and brands are the property of their respective holders. Their use

serves only to describe and identify the respective company, product or service. Use of them does not imply

any aﬃliation with, commercial relationship with or endorsement by them.

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Firefox is a trademark of the Mozilla Foundation in the U.S. and other countries.

Chrome™browser is a trademark of Google Inc.

Microsoft Excel is a trademark of the Microsoft group of companies.

1.3 Symbols

Danger: It is essential to observe this information in order to protect persons from injury.

Caution: It is essential to observe this information in order to prevent damage to the device.

Notice: Boundary conditions that must always be observed to ensure smooth and eﬃcient operation.

ESD (Electrostatic Discharge): Warning of danger to components due to electrostatic discharge. Observe

precautionary measures when handling components at risk of electrostatic discharge.

Note: Routines or advice for eﬃcient equipment use.

Further information: References to additional literature, manuals, data sheets and internet pages.

1.4 Font conventions

Names of paths and ﬁles are marked in italics. According to the system the notation is using slash or backslash.

e. g.: D: \Data

Menu items or tabs are marked in bold italics.

e. g.: Save

An arrow between two menu items or tabs indicates the selection of a sub-menu item from a menu or a

navigation process in the web browser.

e. g.: File →New

Buttons and input ﬁelds are shown in bold letters.

e. g.: Input

Key labels are enclosed in angle brackets and shown in bold with capital letters.

e. g.: ⟨F5⟩

Programme codes are printed in Courier font.

e. g.: ENDVAR

Variable names, identiﬁers and parameter entries are marked in italics.

e. g.: Value

1.5 Number notation

Numbers a noted according to this table:

Numbering system Example Comments

Decimal 100 Normal notation

Hexadecimal 0x64 C-like notation

Binary ’100’ In apostrophes

’0110.0100’ Nibbles separated by dots

Table 1: Numbering systems

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MBUS-M13 - User manual

1.6 Safety guidelines

Observe the recognized rules of technology and the legal requirements, standards and norms, and other

recommendations.

Study the instructions for the extinction of ﬁre in electrical installations.

The power supply must be switched oﬀ before replacing components and modules.

If the contacts are deformed, the aﬀected module or connector must be replaced, as the function is not guar-

anteed in the long term.

The components are not resistant to substances that have creeping and insulating properties. These include

e.g. aerosols, silicones, triglycerides (ingredient of some hand creams). If the presence of these substances in

the vicinity of the components cannot be excluded, additional measures must be taken:

•Install the components in an appropriate casing.

•Handle components with clean tools and materials only.

Only use a soft, wet cloth for cleaning. Soapy water is allowed. Pay attention to ESD.

Do not use solvents like alcohol, acetone etc. for cleaning.

Do not use a contact spray, because in an extreme case the function of the contact point is impaired

and may lead to short circuits.

Assemblies, especially OEM modules, are designed for installation in electronic housings. Do not touch

the assembly when it is live. In each case, the valid standards and directives applicable to the construction

of control cabinets must be observed.

The components are populated with electronic parts which can be destroyed by an electrostatic discharge.

When handling the components, ensure that everything in the vicinity is well earthed (personnel, work-

place and packaging). Do not touch electrically conductive components, e.g. data contacts.

1.7 Scope

This documentation describes the device manufactured by solvimus GmbH, Ilmenau, and stated on the title

page.

1.8 Abbreviations

Abbreviation Meaning

2G Mobile radio standard, synonym for GSM or GPRS

3G Mobile radio standard, synonym for UMTS

4G Mobile radio standard, synonym for LTE

ACK Acknowledge

AES Advanced Encryption Standard

AFL Authentication and Fragmentation Layer

AI Analog Input

ANSI American National Standards Institute

AO Analog Output

APN Access Point Name

ASCII American Standard Code for Information Interchange

ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers

BACnet Building Automation and Control networks

BBMD BACnet Broadcast Management Device

BCD Binary-coded decimal numbers

BDT Broadcast Distribution Table

BMS Building Management System

CA Certiﬁcation Authority

CHAP Challenge Handshake Authentication Protocol

CI Control Information

CLI Command line interface

COSEM COmpanion Speciﬁcation for Energy Metering

CPU Central processing unit

CRC Cyclic redundancy check

CSV Character-Separated Values

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Table 2 – Continued from previous page

Abbreviation Meaning

CTS Clear to send

D0 D0 interface (optical interface, IEC 62056-21)

DDC Direct Digital Control

DHCP Dynamic Host Conﬁguration Protocol

DI Digital Input, digital input terminal

DIF Data information ﬁeld

DIFE Data information ﬁeld extensions

DIN Deutsches Institut für Normung, German Institute for Standardization

DLDE Direct Local Data Exchange (EN 62056-21, IEC 1107)

DLDERS DLDE communication via RS-232 or RS-485

DLMS Device Language Message Speciﬁcation

DNS Domain Name System

DO Digital Output, digital output terminal

EEG German Renewable Energy Sources Act

EIA/TIA Electronic Industries Alliance/Telecommunications Industry Association

ELL Extended Link Layer

EMC Electromagnetic compatibility

EN European norm

ESD Electrostatic Discharge

FCB Frame Count Bit

FCV Frame Count Valid Bit

FNN Forum Netztechnik/Netzbetrieb, subgroup of VDE

FSK Frequency Shift Keying

FTP File Transfer Protocol

FTPS FTP via TLS

GB Gigabyte

GMT Greenwich Mean Time

GPRS General Packet Radio Service

GSM Global System for Mobile Communications

HCA Heat cost allocator

HTTP Hypertext Transfer Protocol

HTTPS Hypertext Transfer Protocol Secure

I2C Inter-Integrated Circuit

I/O Input/Output

ICMP Internet Control Message Protocol

ID Identiﬁcation, Identiﬁer, unique marking

IEC International Electrotechnical Commission

IEEE Institute of Electrical and Electronics Engineers

IoT Internet of Things

IP Internet Protocol or IP address

ISO International Organization for Standardization

JSON JavaScript Object Notation

LAN Local area network

LED Light-Emitting Diode

LSB Least signiﬁcant byte

LSW Least signiﬁcant word

LTE Long Term Evolution

M2M Machine-to-Machine

M-Bus Meter-Bus (EN 13757, part 2, 3 and 7)

MAC Medium Access Control or MAC-Adresse

MB Megabyte

MCR Multi Channel Reporting

MDM Meter Data Management

MEI Modbus Encapsulated Interface

MHz Megahertz

MQTT Message Queuing Telemetry Transport

MSB Most Signiﬁcant Byte

MSW Most Signiﬁcant Word

MUC Multi Utility Communication, MUC controller

NB-IoT Narrow Band Internet of Things

OBIS Object Identiﬁcation System

OEM Original Equipment Manufacturer

OMS Open Metering System

PAP Password Authentication Protocol

PEM Privacy Enhanced Mail

PIN Personal Identiﬁcation Number

PKI Public Key Infrastructure

PLC Programmable Logic Controller

PPP Point-to-Point Protocol

PPPoE Point-to-Point Protocol over Ethernet

PUK Personal Unblocking Key

Continued on next page

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Table 2 – Continued from previous page

Abbreviation Meaning

RAM Random Access Memory

REQ_UD Request User Data (Class 1 or 2)

RFC Requests For Comments

RSP_UD Respond User Data

RSSI Received Signal Strength Indicator

RTC Real-Time Clock

RTOS Real-Time Operating System

RTS Request to send

RTU Remote Terminal Unit

S0 S0 interface (pulse interface, EN 62053-31)

SCADA Supervisory Control and Data Acquisition

SCP Secure Copy

SFTP SSH File Transfer Protocol

SIM Subscriber Identity Module

SML Smart Message Language

SMTP Simple Mail Transfer Protocol

SND_NKE Send Link Reset

SND_UD Send User Data to slave

SNTP Simple Network Time Protocol

SPST Single Pole Single Throw Relay (closing switch)

SRD Short Range Device

SSH Secure Shell

SSL Secure Sockets Layer

TCP Transmission Control Protocol

THT Through-Hole Technology

TLS Transport Layer Security

U Unit width of the housing (1 U = 18 mm)

UART Universal Asynchronous Receiver Transmitter

UDP User Datagram Protocol

UL Unit load for M-Bus

UMTS Universal Mobile Telecommunications System

UTC Universal Time Coordinated

VDE Verband der Elektrotechnik Elektronik Informationstechnik e.V., German association

VHF Very high frequency

VIF Value information ﬁeld

VIFE Value information ﬁeld extensions

VLAN Virtual Local Area Network

VPN Virtual Private Network

WAN Wide Area Network

WLAN Wireless Local Area Network

wM-Bus Wireless Meter-Bus (EN 13757, part 3, 4 and 7)

XML eXtensible Markup Language

XSLT eXtensible Stylesheet Language Transformation

Table 2: Abbreviations

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2 Introducing the device

2.1 General information

The module MBUS-M13 and its variants are compact M-Bus (Meter-Bus) masters. It serves the power supply

of the connected slaves and also the communication with them.

Especially in the scope of smart metering, the M-Bus is used for automated meter reading.

Additional information on the M-Bus can be found here:

http://www.m-bus.com/

2.2 Structure of the module

The module MBUS-M13 and its variants are populated single-sided. Pin headers with a spacing of 2.54 mm

respectively the corresponding pads serve for the connection.

The following ﬁgure shows the module:

Figure 1: The module MBUS-M13

The module integrates all necessary components for the operation of the M-Bus. The internal power supply

generates the bus voltages 24 V and 36 V, as well as 3.3 V for driving an external logic (e.g.: a microcontroller).

2.3 Delivery variants

There are 3 variants available.

The variant MBUS-M13-S is the standard variant. It serves as a fully integrated M-Bus master and level

converter. The connection of the control logic is realized by using a simple TTL UART interface, which is

galvanically isolated from the M-Bus levels. The connection is established through the pads (pins) at the edge

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of the module.

The variant MBUS-M13-G has no unit for galvanic isolation. It is suitable for simple systems. The connection

is established through the connector X1.

The variant MBUS-M13-M has no internal 3.3 V power supply and no galvanic isolation. The connection is

established exclusively through the connector X1.

In the variants -S and –G, the internal 3.3 V power supply can also be used for direct connection of small

logic modules (e.g.: a microcontroller with LCD display). In that way, certain compact applications such as a

gateway or a data logger only need a single 24 VDC.

The internal 3.3 V supply can handle loads with a maximum current consumption of 50 mA.

Variant Order number

MBUS-M13-S 500325

MBUS-M13-G 500327*

MBUS-M13-M 500328*

*Available upon request

Table 3: Delivery variants

Variants with population are available upon request.

2.4 Connectors

The module MBUS-M13 is connected via pin headers with a spacing of 2.54 mm. The following ﬁgure shows

a top view:

Figure 2: Top view on MBUS-M13 with connectors

The function of each pin will be explained in following tables.

2.4.1 Terminals at the edge for pin headers

Terminal Description -S -G -M

TP_VDD galvanically isolated logic, supply 3,0 V...5,0 VDC VDDiso nc nc

TP_RX galvanically isolated logic, UART Receiver (to RX) RXiso nc nc

TP_TX galvanically isolated logic, UART Transmitter (to TX) TXiso nc nc

TP_GND galvanically isolated logic, supply (ground) GNDiso nc nc

TP_MR do not connect nc nc nc

TP_MT do not connect nc nc nc

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