Diehl LoRaWAN CMi4160 User Manual
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Diehl LoRaWAN CMi4160 User Manual

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CMi4160 - LoRaWAN
Module
®
For Diehl Metering SHARKY 775
User guide

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Summary of Contents for Diehl LoRaWAN CMi4160

  • Page 1 CMi4160 - LoRaWAN Module ® For Diehl Metering SHARKY 775 User guide...

  • Page 2: Table Of Contents

    Table of contents Documents notes ........................3 Copyright and trademark ...................... 3 Important usage and safety information .................. 3 Using this user guide ......................3 Purpose and audience ......................3 Symbols ..........................3 Introduction ........................... 4 Purpose ..........................4 Application description ......................4 Product features ........................

  • Page 3: Documents Notes

    1.1 COPYRIGHT AND TRADEMARK © 2020, Diehl Metering GmbH. All rights reserved. No part of the contents of this user guide may be transmitted or reproduced in any form by any means without the written permission of Diehl Metering GmbH.

  • Page 4: Introduction

    4.2 APPLICATION DESCRIPTION CMi4160 is a cost-effective meter connectivity module mounted in a Diehl SHARKY heat meter. It uses a very energy-efficient scheme to deliver meter data to a receiving (application) server over a LoRaWAN ®...

  • Page 5: Getting Started

    5.3.1 MOUNTING AND CONNECTION CMi4160 is mounted in module slot 2 of a Diehl SHARKY. Grab the device by the outer edges, gently mount it into position and connect the meter interface cable to the meter interface (ribbon cable) (3).

  • Page 6: Network Preparation

    Join EUI. (If using ABP mode, the following information should be registered instead: Application Session key, Network Session key and Device address.) Diehl Metering strongly recommends using Over-the-air activation (OTAA) to facilitate deployment and minimize the risk of duplicated keys.

  • Page 7: Switch Off/Reboot Module

    Product Access Key will be needed to access the device. For more information about security and access control for CMi4160, please refer to the One-touch commissioning (OTC) documentation, available on the Diehl Metering website. 6.3 CONFIGURATION OPTIONS CMi4160 is configured via the Elvaco OTC App.
  • Page 8 CMi4160 – LoRaWAN ® Module Table 2 provides a summary of all parameters and settings in CMi4160. Field Description Default value Device Device Downlink name access access (Abbr.) Locked device & correct Product Product Access Access Open device Meter ID Meter identification Readable Readable...

  • Page 9: Time Handling

    CMi4160 – LoRaWAN ® Module Field Description Default value Device Device Downlink name access access (Abbr.) Locked device & correct Product Product Access Access Open device settings ® LoRaWAN Device EUI Unique module Device-unique Readable Readable identification number. 64-bit number Not configurable.

  • Page 10: Transmit Interval

    CMi4160 – LoRaWAN ® Module 6.6 TRANSMIT INTERVAL The transmit interval sets how frequently the module transmits data on the LoRaWAN network. The ® parameter can be set to a value between 5 and 1,440 minutes (i.e. between 5-minute and daily values.) If Lora Frequency Band L or N (Radio characteristics, Page 24) (0,1% Duty cycle limitation), is used for transmitting messages (configurated by network server...

  • Page 11: Structure And Payload

    CMi4160 – LoRaWAN ® Module Figure 4: CMi4160 M-Bus message structure Field Size Description Message 1 byte 0x1E = Standard format 0x1F = Compact identifier 0x20 = JSON 0x21 = Scheduled – Daily redundant 0x22 = Scheduled - Extended 0x23 = Combined heat/cooling Table 4: CMi4160 message formats 6.7.2 STRUCTURE AND PAYLOAD...
  • Page 12 CMi4160 – LoRaWAN ® Module Field Size Data type Description Volume 6 bytes INT32 Volume (m 0413xxxxxxxx = xxxxxxxx * 0.001 m 0414xxxxxxxx = xxxxxxxx * 0.01 m 0415xxxxxxxx = xxxxxxxx * 0.1 m 0416xxxxxxxx = xxxxxxxx m 0417xxxxxxxx = xxxxxxxx * 10 m Power 4 bytes INT16...
  • Page 13 CMi4160 – LoRaWAN ® Module Compact Compact Figure 6 illustrates the structure for message format . For a detailed description of the payload, see Table 6. Figure 6: Structure, message format Compact Field Size Data type Description Message 1 byte 0x1F (Compact) format identifier...
  • Page 14 CMi4160 – LoRaWAN ® Module An example of a telegram for message format JSON is presented below: {"E":12345678,"U":"kWh","ID":87654321} Figure 7: JSON message example Scheduled mode For message formats of type “Scheduled” (Scheduled – Daily redundant and Scheduled – Extended), two types of messages will be transmitted from the module - a clock message and a data message. The difference between the two is described in Table 8.
  • Page 15 CMi4160 – LoRaWAN ® Module Figure 8: Structure, message format Scheduled – daily redundant Field Size Data type Description Message 1 byte 0x21 (Scheduled-daily redundant) format identifier Energy 6-7 bytes INT32 Energy consumption (Wh, J, Cal) 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh 0405xxxxxxxx = xxxxxxxx * 100 Wh 0406xxxxxxxx = xxxxxxxx kWh...
  • Page 16 CMi4160 – LoRaWAN ® Module Field Size Data type Description *The year is read by combining the year-high year-low field. example, year-high = 0010 and year- low = 010 => year = 0010010 **0 = standard time, 1= daylight-saving time ***0 = timestamp is valid, 1 = timestamp is not valid Accumulated...
  • Page 17 CMi4160 – LoRaWAN ® Module Field Size Data type Description Volume 6 bytes INT32 Volume (m 0413xxxxxxxx = xxxxxxxx * 0.001 m 0414xxxxxxxx = xxxxxxxx * 0.01 m 0415xxxxxxxx = xxxxxxxx * 0.1 m 0416xxxxxxxx = xxxxxxxx m 0417xxxxxxxx = xxxxxxxx * 10 m Power 12 bytes INT64...
  • Page 18 CMi4160 – LoRaWAN ® Module Combined heat/cooling Combined heat/cooling Message format is developed to be used in meters that measures both heating and cooling energy. Table 13 describes the telegram of the meter. Combined heat/cooling Message format is only meant to be used in combined heat/cooling meters.

  • Page 19: Meter Communication Error Message

    CMi4160 – LoRaWAN ® Module Field Size Data type Description Rt temp 4 bytes INT16 Return temperature (°C) 025Exxxx = °C, 1 decimal Meter 10 bytes According to Meter address address M-Bus EN13757-3 Byte 0-1 = DIF/VIF code identification Byte 2-5 = Meter ID, BCD8 field Byte 6-7 = Meter manufacturer Byte 8 = Meter version...
  • Page 20 CMi4160 – LoRaWAN ® Module “0x00” "TLV Number of bytes Downlink commands are structured according to the following format: " " in configuration" "Configuration". For a complete description of all available downlink commands, see Table 14. Field name Number of Configuration Example bytes in...

  • Page 21: Technical Specifications

    Value Unit Comments Mechanics Dimensions (w x h x d) 63 x 50 x 15 Weight Mounting In module slot of Diehl SHARKY heat meter External antenna connector Electrical connections Supply voltage Battery, lifetime up to 11 years Electrical characteristics...

  • Page 22: Type Approvals

    CMi4160 – LoRaWAN ® Module 8 TYPE APPROVALS CMi4160 is designed to comply with the directives and standards listed below. Approval Description EN 301 489-1, EN 309 489-3 EN300 220-2 Short Range Devices (SRD), operating in the frequency range 25 MHz to 1,000 MHz EN 62368-1 LoRa Alliance ®...
  • Page 23 CMi4160 – LoRaWAN ® Module 02/2021...
  • Page 24 Diehl Metering GmbH Industriestraße 13 91522 Ansbach Phone: +49 981 1806-0 Fax : +49 9811806-615 www.diehl.com/metering...

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