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Elvaco CMi4170 User Manual

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Summary of Contents for Elvaco CMi4170

  • Page 1 CMi4170 User manual...
  • Page 2 It is therefore recommended to contact Elvaco AB for the latest product information before purchasing the product. The documentation and product are provided on an “as is” basis only and may contain deficiencies or inadequacies.

  • Page 3: Table Of Contents

    5.9.1. Rebooting the module ................. 13 5.9.2. Switching off the module ................13 6. Configuration options ....................14 6.1. Elvaco OTC app configuration options ..............14 6.2. Downlink configuration options ................15 6.3. Message formats ....................16 6.3.1. Unscheduled message formats ..............16 6.3.2.

  • Page 4: About This Manual

    This manual covers information needed to mount, install, configure, and use the product. It is intended for installers and system integrators. To download the latest version of this User manual, visit the Elvaco website, https://www.elvaco.com. There you will also find information about Elvaco’s other products and services.

  • Page 5: Safety

    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 6: Product

    With Elvaco’s One-Touch Commissioning (OTC), deployment, configuration and key transferring can be performed in a secure and flexible way. • Unique and flexible message formats CMi4170 has several different message formats, this makes it easy to customize the payload to the unique demands of each application. 3.3. Compatibility CMi4170 is compatible with Engelmann Sensostar meters with a compatible firmware version.

  • Page 7: Parts Overview

    CMi4170 3.4. Parts overview Green LED Red LED Interface connector Push button Pulse input LoRaWAN antenna NOTE The NFC antenna is integrated in the edge of the PCB.

  • Page 8: Installation

    Engelmann Sensostar (left), CMi4170 (right) 4.2. Activating the module Upon delivery, CMi4170 is set to passive mode, which means no messages will be transmitted from the module. The module can be activated in one of the following ways: Via the module push button Press down the push button of the module for at least five seconds.

  • Page 9: Joining The Lorawan Network

    By using the Elvaco OTC App, you can easily verify that the module is successfully communicating with the meter (“Meter communication”) and is connected to the LoRaWAN network (“Network joined”).

  • Page 10: Operation

    Via Elvaco OTC app The module is configured via the Elvaco OTC app. The app uses NFC to transfer settings to the module. It is compatible with iPhone or Android phones with Android 5.0 or later. The OTC app can be downloaded from Google Play for Android and App Store for iOS.

  • Page 11: Transmit Interval

    CMi4170 A successful change is acknowledged by a vibration. The NFC field is easiest accessible if placing the phone in the middle part of the front. Via downlink The product supports configuration via downlink, i.e. sending commands to an end-device via the LoRaWAN network.

  • Page 12: Time Handling

    CMi4170 Data rate Transmit interval (minutes) Transmit interval, Engelmann mes- sage format (minutes) Table 3. EcoMode transmit interval settings, EcoMode (10 years) Data rate Transmit interval (minutes) Transmit interval, Engelmann mes- sage format (minutes) 1440 1440 5.4. Time handling The module relies on the meter’s clock for keeping time. Time in the meter is assumed to be in standard local time (no DST).

  • Page 13: Security And Access Control

    The product has a configuration lock feature, which prevents unauthorized access to the module. When configuration lock has been enabled, a device-specific Product Access Key (PAK) will be needed to access the device. Keys are managed in a secure way using Elvaco’s OTC solution which includes the mobile application for configuration.

  • Page 14: Configuration Options

    CMi4170 6. Configuration options 6.1. Elvaco OTC app configuration options Table 4. All configuration options Field name Description Default value Locked de- Locked de- Downlink (Abbr.) vice vice & & correct Prod- no Product uct Access Access Key open device...

  • Page 15: Downlink Configuration Options

    CMi4170 Field name Description Default value Locked de- Locked de- Downlink (Abbr.) vice vice & & correct Prod- no Product uct Access Access Key open device Current data The current data rate used Readable Readable rate for the module. 6.2. Downlink configuration options Table 5.

  • Page 16: Message Formats

    Bit 0: Input 1 Bit 1: Input 2 Bit 2: Input 3 Bits 3-7 are reserved and shall be set to 0. 6.3. Message formats CMi4170 has several different message formats. Table 6. CMi4170 Message formats Field Size Description Message format...
  • Page 17 CMi4170 Field Size Data type Description Energy 6-7 bytes INT32 Energy consumption (Wh, J, Cal) 0400xxxxxxxx = xxxxxxxx,xxx Wh 0401xxxxxxxx = xxxxxxxx,xx Wh 0402xxxxxxxx = xxxxxxxx,x Wh 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh 0405xxxxxxxx = xxxxxxxx * 100 Wh...
  • Page 18 CMi4170 Field Size Data type Description Rt temp 4 bytes INT16 Return temperature (°C) 025Cxxxx = xxxx * 0.001 °C 025Dxxxx = xxxx * 0.01 °C 025Exxxx = xxxx * 0.1 °C 025Fxxxx = xxxx °C Meter ID 6 bytes...

  • Page 19: Scheduled Message Formats

    CMi4170 Table 9. Payload, message format JSON [0x26] Field Description Energy Energy consumption (Wh, J, Cal) Unit Unit of energy consumption Meter ID Identification number of the meter in which the module is mounted. Below shows an example of a telegram sent using the JSON message format.
  • Page 20 CMi4170 being received. For example, if the transmit interval is set to “120”, the accumulated energy read at 24:00 will be transmitted 12 times during the 24 next coming hours. Table 13. Payload, message format Scheduled – Daily redundant [0x27]...
  • Page 21 CMi4170 Field Size Data type Description Meter date/ 6 bytes INT32 Meter date and time (YY-MM-DD HH:MM) time 046Dxxxxxxxx Bit 31-28 = Year-high* Bit 27-24 = Month Bit 23-21 = Year-low* Bit 20-16 = Day Bit 15 = Summer time flag** Bit 14-13 = Century...
  • Page 22 CMi4170 Field Size Data type Description Heat energy 6-7 bytes INT32 Energy consumption (Wh, J, Cal) E1 / Cooling Energy E3 0400xxxxxxxx = xxxxxxxx,xxx Wh 0401xxxxxxxx = xxxxxxxx,xx Wh 0402xxxxxxxx = xxxxxxxx,x Wh 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh...
  • Page 23 CMi4170 Field Size Data type Description Meter date/ 6 bytes INT32 Meter date and time (YY-MM-DD HH:MM) time 046Dxxxxxxxx Bit 31-28 = Year-high* Bit 27-24 = Month Bit 23-21 = Year-low* Bit 20-16 = Day Bit 15 = Summertime flag**...
  • Page 24 CMi4170 Field Size Data type Description Cooling Ener- 7-8 bytes INT32 Energy consumption (Wh, J, Cal, MBTU) gy E3 841006xxxxxxxx = MWh, 3 decimals = kWh 84100Exxxxxxxx = GJ, 3 decimals 8410FB0Dxxxxxxxx = Gcal, 3 decimals 8410863Dxxxxxxxx = MMBTu, 3 decimals...
  • Page 25 CMi4170 Note: in case of errors in reading the data from the meter the function field in the DIF is set to indicate “value during error state” (M-Bus standard EN 13757-3:2013). In such cases the VIF and data part should be ignored. Since the unit of the input can be unknown in such cases it is set to dimensionless in the VIF, e.g., B440FD3A00000000 = pulse counter 1, no unit, with “value during error state”...
  • Page 26 CMi4170 Field Size Data type Description Meter date/ 6 bytes INT32 Meter date and time (YY-MM-DD HH:MM) time 046Dxxxxxxxx Bit 31-28 = Year-high* Bit 27-24 = Month Bit 23-21 = Year-low* Bit 20-16 = Day Bit 15 = Summer time flag**...
  • Page 27 CMi4170 Field Size Data type Description Pulse input 2 8-9 bytes INT32 84804013xxxxxxxx = m , 3 decimals 84804014xxxxxxxx = m , 2 decimals 84804015xxxxxxxx = m , 1 decimal 84804006xxxxxxxx = MWh, 3 decimals 84804007xxxxxxxx = MWh, 2 decimals...

  • Page 28: Technical Specifications

    DR0 - DR5 (250 bit/s-5470 bit/s) Table 24. User interface Type Value Green/red LED Indication for start-up / reboot / switch-off Push button Start-up / reboot / switch off module Configuration Elvaco OTC app, Downlink, or Engelmann optical configuration tool “Device Monitor”...
  • Page 29 CMi4170 Table 25. Approvals Type Value LoRa Alliance® LoRaWAN® Certified EN 301 489-1, EN 301 489-3...

  • Page 30: Simplified Declaration Of Conformity

    CMi4170 8. Simplified Declaration of Conformity Hereby, Elvaco declares that CMi4170 is in compliance with the following directives: • 2014/53/EU (RED) • 2014/30/EU (EMC) • 2014/35/EU (LVD) • 2011/65/EU + 2015/863 (RoHS) EU Declaration of Conformity for a complete description.

  • Page 31: Document History

    CMi4170 9. Document history Table 26. Versions Version Date Description 2019-11 First draft 2020-05 Second draft 2020-10 Commercial release v1.0 2020-10 Commercial release v1.1 2023-12 Minor layout changes were made. 2024-02 Adjustments M-Bus decoding...
  • Page 32 Manufacturer: Elvaco AB / Kabelgatan 2T / 434 37 Kungsbacka / SWEDEN +46 300 30250 info@elvaco.com Support: support.elvaco.com support@elvaco.se...

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