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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: info@solvimus.de
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Related Manuals for Solvimus MBUS-M13
Summary of Contents for Solvimus MBUS-M13
- Page 1 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: info@solvimus.de...
- Page 2 MBUS-M13 - User manual Page intentionally left blank Page 2/18 Version: 1.09 Frank Richter, 6 December 2022 UG_EN_MBUS-M13.pdf Released © solvimus GmbH...
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Page 3: Table Of Contents
MBUS-M13 - User manual Table of Contents Table of Contents 1 Notes and conventions 1.1 About this document ........ -
Page 4: Notes And Conventions
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. -
Page 5: Symbols
MBUS-M13 - User manual 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. 7-Zip Copyright (C) 1999-2022 Igor Pavlov. -
Page 6: Safety Guidelines
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... - Page 7 MBUS-M13 - User manual Table 2 – Continued from previous page Abbreviation Meaning Clear to send D0 interface (optical interface, IEC 62056-21) Direct Digital Control DHCP Dynamic Host Configuration Protocol Digital Input, digital input terminal Data information field DIFE Data information field extensions Deutsches Institut für Normung, German Institute for Standardization...
- Page 8 MBUS-M13 - User manual Table 2 – Continued from previous page Abbreviation Meaning Random Access Memory REQ_UD Request User Data (Class 1 or 2) Requests For Comments RSP_UD Respond User Data RSSI Received Signal Strength Indicator Real-Time Clock RTOS Real-Time Operating System...
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Page 9: Introducing The Device
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. -
Page 10: Connectors
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. -
Page 11: Connector X1
MBUS-M13 - User manual Table 4 – Continued from previous page Terminal Description TP_PGND M-Bus-side power supply, Ground (0 VDC) TP_PWR M-Bus-side power supply (24 VDC) 24 VDC TP_ANT do not connect TP_BUS- M-Bus, low-side M-Bus- M-Bus- M-Bus TP_BUS+ M-Bus, high-side... -
Page 12: Technical Data
MBUS-M13 - User manual Table 6 – Continued from previous page Term Description Checksum Check number for checking transmission errors, the checksum the M-Bus uses, results from the addition of the transmitted data (without telegram header, up to checksum). Single character... -
Page 13: Electrical Specifications
Table 7: Electrical specifications 2.6 Typical application scenarios The module MBUS-M13 is an M-Bus master. In detail, it is a physical level converter, allowing the commu- nication between a serial UART interface (TTL) and M-Bus slaves. Frank Richter, 6 December 2022 Version: 1.09... -
Page 14: Wiring Diagrams
RX is RXout, data received from the bus to the logic. Figure 5: Variant MBUS-M13-S with galvanically isolated interface to external logic Figure 6: Variant MBUS-M13-G with direct connection to external logic Page 14/18 Version: 1.09... - Page 15 MBUS-M13 - User manual Figure 7: Variant MBUS-M13-G powering the external logic (3.3 VDC) on its own (max. 50 mA) Figure 8: Variant MBUS-M13-M using only the connector X1 Frank Richter, 6 December 2022 Version: 1.09 Page 15/18 © solvimus GmbH Released UG_EN_MBUS-M13.pdf...
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Page 16: Reference Circuit With Collision Indication And Emc Precautions
MBUS-M13 - User manual 2.6.2 Reference circuit with collision indication and EMC precautions Figure 9: Reference circuit for MBUS-M13-S 2.6.3 Timing and performance diagrams Bus voltage (blue) at the transition of the TXD signal Bus voltage (blue) at the transition of the TXD signal... - Page 17 MBUS-M13 - User manual Table 9 – Continued from previous page Condition 10 k 10 k || 1 µF 10 k || 2.2 µF Bus voltage low 23.6 24.1 24.3 Fall time µs approx. 45 approx. 60 Rise time µs approx.
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Page 18: Accessory
MBUS-M13 - User manual 3 Accessory The usage of accessories not recommended is at your own risk. It is imperative to mind Section 1.2.5. Page 18/18 Version: 1.09 Frank Richter, 6 December 2022 UG_EN_MBUS-M13.pdf Released © solvimus GmbH...
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