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MBUS-RELA4 - 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-RELA4 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.

Frank Richter, 6 December 2022
© solvimus GmbH

Version: 1.3

Released

Page 5/21

UG_EN_MBUS-RELA4.pdf

Summary of Contents for MBUS-RELA4

Page 1: ...the M Bus Version 1 3 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 7...

Page 2: ...MBUS RELA4 User manual Page intentionally left blank Page 2 21 UG_EN_MBUS RELA4 pdf Version 1 3 Released Frank Richter 6 December 2022 solvimus GmbH...

Page 3: ...3 Hygienic flushing 12 2 7 Technical data 12 2 7 1 General specifications 12 2 7 2 Electrical specifications 13 3 M Bus communication interface 14 3 1 General information 14 3 2 Signalling on the M B...

Page 4: ...MBUS RELA4 User manual 4 Accessory 21 Page 4 21 UG_EN_MBUS RELA4 pdf Version 1 3 Released Frank Richter 6 December 2022 solvimus GmbH...

Page 5: ...tion 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 Int...

Page 6: ...ther 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...

Page 7: ...struction 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 everythi...

Page 8: ...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 Inst...

Page 9: ...hort 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 Univer...

Page 10: ...ng loss of communication The device works without external power supply and is completely powered by the M Bus The state of the relays can be read back The MBUS RELA4 comes in a housing 2 U modules wi...

Page 11: ...s these can be switched on abruptly by a closed contact or other switching operations can be performed This holds also for an unpowered MBUS RELA4 Mind that the switch state of the relay outputs is un...

Page 12: ...e switching of the inverter with the four relays to regulate the power to be fed in to 100 60 30 0 2 6 2 Switching of appliances CAUTION LIFE HAZARD Only trained and appropriately qualified personnel...

Page 13: ...puts The device has 4 potential free contacts pin assignment see Section 2 3 Max switching power 60 W for max 30 VDC 2 A Galvanic isolation to each other 1000 V Galvanic isolation to the M Bus 1000 V...

Page 14: ...ding to the Send Confirm principle Certain terms are used in the M Bus standard The basics of communication are taken from IEC 60870 5 101 Key terms are explained in the table below Term Description A...

Page 15: ...trans mitted by the master as a short frame telegram on the M Bus SND_UD SeND User data sending data or commands to the meter transmitted by the master as a long frame telegram on the M Bus Umark Mar...

Page 16: ...nication It acts as Link Layer reset and sets the logic of the communication into a defined state The value of the Frame Count Bit FCB of master and slave is matched and the first data telegram from t...

Page 17: ...ecial primary address 0xFD Therefore Slave Select is not discussed again in subsequent examples 3 5 3 SND_UD Send user data to slave Via SND_UD data are sent from the M Bus master to the M Bus slave T...

Page 18: ...rimary address FD use secondary addressing 7 1 XX Control information field CI set baud rate B8 300 baud B9 600 baud BA 1200 baud BB 2400 baud BC 4800 baud BD 9600 baud 8 1 xx Checksum CS 9 1 16 Stop...

Page 19: ...ype 16 1 00 Access number 17 1 00 Status 18 19 2 00 00 Configuration 20 1 81 Data information field DIF 8 bit integer 21 1 10 Data information field extension DIFE tariff 1 relay 1 22 1 FD Value infor...

Page 20: ...1 FD Value information field VIF 70 1 17 Value information field extension VIFE Error flags 71 1 00 At present 0 72 1 0A Data information field DIF BCD 4 digits 73 1 FD Value information field VIF 74...

Page 21: ...manual 4 Accessory The usage of accessories not recommended is at your own risk It is imperative to mind Section 1 2 5 Frank Richter 6 December 2022 solvimus GmbH Version 1 3 Released Page 21 21 UG_EN...

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