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Elvaco CMi4111 User Manual

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CMi4111
User's Manual
English
v1.1
CMi4111 User's Manual English

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Summary of Contents for Elvaco CMi4111

  • Page 1 CMi4111 User’s Manual English v1.1 CMi4111 User’s Manual English...

  • Page 2: Table Of Contents

    CMi4111 User’s Manual English Contents DOCUMENT NOTES ..................... 3 ..................3 OPYRIGHT AND TRADEMARK ........................3 ONTACTS IMPORTANT USAGE AND SAFETY INFORMATION ........... 4 USING THIS MANUAL ....................5 ....................5 URPOSE AND AUDIENCE ...................... 5 NLINE RESOURCES ........................5 YMBOLS INTRODUCTION ......................

  • Page 3: Document Notes

    Copyright and trademark © 2020, Elvaco AB. All rights reserved. No part of the contents of this manual may be transmitted or reproduced in any form by any means without the written permission of Elvaco AB. Printed in Sweden.

  • Page 4: Important Usage And Safety Information

    Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Elvaco AB assumes no liability for customer’s failure to comply with these precautions.

  • Page 5: Using This Manual

    CMi4111 User’s Manual English Using this manual Purpose and audience This manual provides all information needed to mount, deploy and configure CMi4111 and targets installers and system integrators. Online resources To download the latest version of this user’s manual, or to find information in other languages, please visit http://www.elvaco.com/.

  • Page 6: Introduction

    CMi4111 is compatible with Landis + Gyr T230 and Landis + Gyr T330 heat/cooling meters. Once the module is mounted and starts up, a compatibility check is made to ensure that the CMi4111 module is compatible with the meter firmware.

  • Page 7: Getting Started

    5.2.2 Activation and LED indications Module activation Upon delivery, CMi4111 is set to passive mode, which means no messages will be transmitted from the module. The module can be activated by: Open the Elvaco OTC app (downloadable via Google Play) and scan the module through the meter’s plastic cover.

  • Page 8: Administration Reference

    (OTC) documentation, available on the Elvaco website. Configuration options CMi4111 is configured via the Elvaco OTC App which can be downloaded in Google Play. It uses NFC to transfer settings to the module. Downlink may also be used to for some applications, see section 6.8 Downlink for more information.

  • Page 9: Time Handling

    UTC offset of -300 (-5h) etc. A UTC offset of 0 means the meter time is used as-is. Adaptive data rate (ADR) CMi4111 supports Adaptive Data Rate (ADR), part of the LoRaWAN standard, where the network server determines the optimal rate of communication for the module based on current signal conditions. In the best radio conditions, the module will use its highest data rate (DR5) in order to be as energy efficient as possible.

  • Page 10: Transmit Interval

    If EcoMode has been disabled, guarantees about battery-life is no longer valid (even if EcoMode is activated later). Message formats CMi4111 has nine different message formats: Standard, Compact, JSON, Scheduled-daily redundant, Scheduled-Extended, Combined heat/cooling, Simple billing, Plausibility check and Monitoring. Each message format will be described in detail in this section.

  • Page 11: Structure And Payload

    CMi4111 User’s Manual English Figure 1: CMi4111 M-Bus message structure For message type JSON, the data is presented as plain text. Field Size Description Message 1 byte 0x05 = Standard format 0x06 = Compact identifier 0x07 = JSON 0x08 = Scheduled – Daily redundant...
  • Page 12 CMi4111 User’s Manual English Power 4 bytes INT16 Power (W) 022Bxxxx = xxxx W 022Cxxxx = xxxx * 10 W 022Dxxxx = xxxx * 100 W 022Exxxx = xxxx kW 022Fxxxx = xxxx * 10 kW Flow 4 bytes INT16 Flow (m 023Bxxxx = xxxx * 0.001 m...
  • Page 13 CMi4111 User’s Manual English Meter ID 6 bytes According to M- Meter ID Bus EN13757-3 identification 0C78xxxxxxxx field Error bits 7 bytes INT32 Error and warning flags 04FD17xxxxxxxx For further information about Error bits please refer to the meter’s manual...
  • Page 14 CMi4111 User’s Manual English Date/time 6 bytes 32 bit binary integer 046Dxxxxxx = Valid date/time message M-Bus type F 346Dxxxxxx = Invalid date/time message Table 9: Payload, clock message The clock message will be transmitted once every day and the data message at least (regulated by transmit interval parameter or EcoMode) once every day.
  • Page 15 CMi4111 User’s Manual English For further information about Error bits please refer to the meter’s manual Meter 6 bytes INT32 Meter date and time (YY-MM-DD HH:MM) date/time 046Dxxxxxxxx Bit 31-28 = Year-high* Bit 27-24 = Month Bit 23-21 = Year-low*...
  • Page 16 CMi4111 User’s Manual English Energy 6 bytes INT32 Energy consumption (Wh, J) 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh 0405xxxxxxxx = xxxxxxxx * 100 Wh 0406xxxxxxxx = xxxxxxxx kWh 0407xxxxxxxx = xxxxxxxx * 10 kWh 040Exxxxxxxx = xxxxxxxx MJ...
  • Page 17 CMi4111 User’s Manual English cooling energy. Message format Combined heat/cooling is only meant to be used in combined heat/cooling meters. Field Size Data type Description Message 1 byte 0x0A (Combined heat/cooling) format Heat 6 bytes INT32 Heat energy consumption (Wh, J)
  • Page 18 CMi4111 User’s Manual English Error bits 7 bytes INT32 Error and warning flags 04FD17xxxxxxxx For further information about Error bits please refer to the meter’s manual Table 13: Message format, Combined heat/cooling 6.7.2.1 Simple billing Table 14 provides a detailed description of the payload of message format Simple billing.
  • Page 19 CMi4111 User’s Manual English Note! Storage number 0x01 is used to indicate the energy consumption for the previous month. Table 14: Message format Simple billing 6.7.2.2 Plausibility check Table 15 provides a detailed description of the payload of message format Plausibility check.
  • Page 20 CMi4111 User’s Manual English 125Axxxx = xxxx * 0.1 °C 125Bxxxx = xxxx °C Max Rt INT16 4 bytes Maximum return temperature (°C) temp 125Cxxxx = xxxx * 0.001 °C 125Dxxxx = xxxx * 0.01 °C 125Exxxx = xxxx * 0.1 °C 125Fxxxx = xxxx °C...

  • Page 21: Meter Communication Error Message

    Downlink CMi4111 supports configuration via downlink, i.e. sending commands to an end-device via the LoRaWAN network. Note that this feature should only be used sparingly due to bandwidth consideration. Communication via downlink can only be made in a short window after an uplink transmission from module to server.

  • Page 22: Technical Specifications

    CMi4111 User’s Manual English 0x01 0x00 = Locked 0x00050101 Configuration 0x05 0x01 = Open (Enables configuration lock lock) 0x02 0xNumber of minutes 0x0006021E00 Transmit interval 0x06 between transmission (Sets the Tx interval to 30 (lsByte -> msByte) minutes) Message format...
  • Page 23 OTAA or ABP 250 – 5470 bit/s Data rate DR0 - DR5 User interface Push button Start-up / reboot / switch off module Configuration NFC via Elvaco OTC app or downlink data CMi4111 User’s Manual English page | 23 (26) [2020-06] V1.1...

  • Page 24: Type Approvals

    CMi4111 User’s Manual English Type approvals CMi4111 is designed to comply with the directives and standards listed below. Approval Description EN 301 489-1, EN 309 489-3 LoRa Alliance® LoRaWAN® Certified CMi4111 User’s Manual English page | 24 (26) [2020-06] V1.1...

  • Page 25: Document History

    CMi4111 User’s Manual English Document history Versions Version Date Description Author V0.1 2019-03 Evaluation samples version Anton Larsson V1.0 2019-12 Commercial release version Anton Larsson V1.1 2020-06 Commercial release v1.1 David Svensson CMi4111 User’s Manual English page | 25 (26) [2020-06] V1.1...

  • Page 26: References

    CMi4111 User’s Manual English 10 References 10.1 Terms and abbreviations Abbreviation Description Data Information Block Data Information Field Value Information Field Meter Connectivity Module 10.2 Number representation • Decimal numbers are represented as normal number, i.e. 10 (ten). • Hexadecimal numbers are represented with prefix 0x, i.e. 0x0A (ten) •...

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