Elvaco CMi4110 User Manual
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Elvaco CMi4110 User Manual

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Summary of Contents for Elvaco CMi4110

  • Page 1 CMi4110 User Manual 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

    4.4. Joining the LoRaWAN network ................. 8 5. Operation ........................10 5.1. Server configuration ....................10 5.2. Configuration ......................10 5.2.1. Configuration via Elvaco OTC app ............... 10 5.2.2. Configuration via downlink ................10 5.3. Transmit interval ....................11 5.3.1. Transmit interval in EcoMode ..............11 5.3.2.

  • 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

    • Several message formats to choose between, including JSON, gives the right fit for the unique demands of each application. 3.3. Compatibility CMi4110 is compatible with all L+G UH50 meters using software version 5.15 or higher as well as with all L+G UC50 calculators using software version 8.06 or higher.

  • Page 7: Parts Overview

    CMi4110 User Manual CMi4110 is supplied with power from the UH50/UC50 D cell battery. The module is also compatible with Elvaco’s 230V CMip2110 PSUs and with the following PSUs from Landis+Gyr: WZU-AC230, WZU-AC110, WZU-ACDC24-00. 3.4. Parts overview Buttons, indicators, and connectors 1.

  • Page 8: Installation

    If using an external antenna, make sure to mount it at least 0.5 meters away from the meter in order not to cause interference. 4.3. Activating the module Upon delivery, CMi4110 is set to passive mode, which means no messages will be transmitted from the module. There are two ways to activate the module: Via the module Press down the push button (2) for at least 5 seconds until the green LED lights up.
  • Page 9 CMi4110 User Manual NOTE When activation-by-personalization (ABP) is used, the module does not perform a join operation before sending messages. Therefore, the 8-second indication of connection will not appear in ABP mode. Attempts to join the network for firmware version <1.07 If the module fails to join the LoRaWAN network after the first 6 attempts, it will backoff for more time for each new retry until the delay between each retry is more than hours.

  • Page 10: Operation

    Place your smartphone close to the device and press SCAN If the CMi4110 is installed in the meter, the NFC field is easiest accessible if placing your smartphone at the lower part on the right hand side of the meter.

  • Page 11: Transmit Interval

    *Since Extended+ is scheduled the minimum practical limit is always 60 minutes. 5.3.2. Setting the transmit interval manually If the transmit interval needs to be set to a fixed value, EcoMode can be disabled. Use the Elvaco OTC App to configure the transmit interval.

  • Page 12: Time Handling

    (OTC) documentation, available on the Elvaco website. 5.8. Meter communication error messages When CMi4110 is unable to communicate with UH50/UC50, an error message will be transmitted on the LoRaWAN network. Refer to the following table for description of that error message for each message...

  • Page 13: Rebooting And Switching Off The Module

    CMi4110 User Manual Table 4. Meter communication error message Message type Error message Standard 0E00 Compact 0E00 JSON Scheduled-daily redundant 0E00 Scheduled – extended + 0E00 Compact tariff 0E00 5.9. Rebooting and switching off the module 5.9.1. Rebooting the module Press and hold the push button for 5-15 seconds.

  • Page 14: Configuration Options

    Application key The application key of each CMi4110 device is generated by Elvaco and used in OTAA mode to generate network keys when the module joins the LoRaWAN network. Keys are managed in a secure way using Elvaco’s OTC (One Touch Commissioning) solution which includes the mobile application for configuration.
  • Page 15 CMi4110 User Manual Table 5. Configuration options Elvaco OTC Field name Description Default value Device access Device access Downlink (Abbr.) Locked device No Product Ac- & correct Prod- cess Key uct Access Key Open device Meter ID Meter identification Readable Readable number of the meter.

  • Page 16: Downlink Configuration Options

    Example: To set the MaxDTx parameter to 24, the following command would be sent by downlink: 0x00 21 01 18 6.4. Message formats CMi4110 has several different message formats, listed in the table below. All data messages from the module will be transmitted on LoRa port 2.
  • Page 17 CMi4110 User Manual Message format name Message ID Scheduled Introduced in FW Scheduled Daily Redundant 0x03 1.0.3 Scheduled Extended 0x04 1.0.3 Scheduled Extended+ 0x3F + 0x40 1.0.4 Compact Tariff 0x41 1.0.6 Maximum Flow 0x46 1.0.8 Scheduled Daily Redundant Tariff 0x47 + 0x48 1.0.8...

  • Page 18: Unscheduled Message Formats

    CMi4110 User Manual The transmit interval of the data message is adapted to current data rate and MaxDTx settings. For scheduled message formats, the MaxDTx parameter can only assume the values listed in the following table. Table 9. MaxDTx values for scheduled messages...
  • Page 19 CMi4110 User Manual Table 10. Standard Field Size Data type Description Energy 6-7 bytes (including BCD8 Energy consumption (MWh, kWh, DIF/VIF) MJ, GJ) M-Bus Type A Mapped to OBIS 6.8 0C06xxxxxxxx = kWh 0C07xxxxxxxx = MWh, 2 decimals 0CFB00xxxxxxxx = MWh, 1 deci-...
  • Page 20 CMi4110 User Manual Field Size Data type Description Fw temp 4 bytes (including BCD4 Forward temperature (°C) DIF/VIF) Mapped to OBIS 6.29 0A5Axxxx = °C, 1 decimal 0A5Bxxxx = °C, 0 decimals If first byte is set to “3A” instead of “0A”, this indicates value during...
  • Page 21 CMi4110 User Manual Field Size Data type Description Meter ID 6 bytes (including According to M-Bus Meter ID DIF/VIF) EN13757-3 identifi- 0C78xxxxxxxx cation field If first byte is set to “3C” instead of “0C”, this indicates value during error state...

  • Page 22: Scheduled Message Formats

    CMi4110 User Manual Value Bytes Type Example Comment Timestamp of INT 32 Timestamp when maximum flow 046Dxxxxxxxx max flow was registered. M-Bus Type F date Return temp BCD4 0A5Exxxx = °C, 1 decimal Return temperature read prior to transmission 0A5Fxxxx = °C, 0 decimals...
  • Page 23 CMi4110 User Manual Value Bytes Type Example Comment Date &amp; time INT32 Date and Time (Type F) 046Dxxxxxxxx Error flags INT16 Error flags prior to transmission 02FD17xxxx 6.4.2.2. Scheduled Extended+ Message format Scheduled Extended+ is divided in two telegrams due two size restrictions. The tele- grams are identified by Message IDs 0x3F and 0x40, and is encoded as M-Bus.
  • Page 24 CMi4110 User Manual Value Bytes Type Example Comment Meter ID BCD8 0C78xxxxxxxx (serial number) Serial num- ber or cus- tomer num- ber depend- 0C79xxxxxxxx (customer number) ing on config- uration Date & INT32 Date and 046Dxxxxxxxx time Time (Type Table 16. Scheduled Extended+ Telegram 2 [0x40]...
  • Page 25 CMi4110 User Manual Value Bytes Type Example Comment Energy BCD8 0C06xxxxxxxx = MWh, 3 decimals = kWh Heat energy prior to transmission 0C07xxxxxxxx = MWh, 2 decimals 0CFB00xxxxxxxx = MWh, 1 decimal 0CFB01xxxxxxxx = MWh, 0 decimals 0C0Exxxxxxxx = GJ, 3 decimals...
  • Page 26 CMi4110 User Manual Value Bytes Type Example Comment Energy at BCD8 4C06xxxxxxxx = MWh, 3 decimals = kWh Energy at midnight 24:00 4C07xxxxxxxx = MWh, 2 decimals Storage nr 1 used 4CFB00xxxxxxxx = MWh, 1 decimal 4CFB01xxxxxxxx = MWh, 0 decimals...
  • Page 27 CMi4110 User Manual Value Bytes Type Example Comment Accumulated energy BCD8 4C06xxxxxxxx = MWh, 3 decimals = kWh at 24:00 4C07xxxxxxxx = MWh, 2 decimals 4CFB00xxxxxxxx = MWh, 1 decimal 4CFB01xxxxxxxx = MWh, 0 decimals 4C0Exxxxxxxx = GJ, 3 decimals...
  • Page 28 CMi4110 User Manual Value Bytes Type Example Comment Flow BCD6 B3Bxxxxxx = m /h, 3 decimals 0B3Cxxxxxx = m /h, 2 decimals 0B3Dxxxxxx = m /h, 1 decimal 0B3Exxxxxx = m /h, 0 decimals Fwd temp BCD4 0A5Axxxx = °C, 1 decimal 0A5Bxxxx = °C, 0 decimals...

  • Page 29: Technical Specifications

    External antenna connector SMA female Table 24. Electrical connections Type Value Supply voltage Internal meter battery or PSU (PSU options: Elvaco CMip2110 230V, Landis+Gyr WZU- AC230-xx or WZU-ACDC24-00) Table 25. Electrical characteristics Type Value Nominal voltage 3.0 - 5.0 VDC...

  • Page 30: European Standards

    • M-Bus standard EN 13757-3:2013 Communication systems for and remote reading of meters – Part 3: Dedicated application layer 7.2. Simplified Declaration of Conformity Hereby, Elvaco declares that CMi4110 is in compliance with the following directives: • 2014/53/EU (RED) • 2014/30/EU (EMC) •...

  • Page 31: Document History

    CMi4110 User Manual 8. Document history Table 31. Versions Version Date Changes v1.0 2018-07 Initial version v1.1 2018-10 Information about Scheduled – extended added v1.2 2019-03 Corrected DIF/VIF for energy DIB v1.3 2019-04 Added information about EcoMode v1.4 2020-03 Added information about value during error state in message formats v1.5...
  • 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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