CMi4160 User’s Manual English Contents DOCUMENT NOTES ..................... 4 ..................4 OPYRIGHT AND TRADEMARK ........................4 ONTACTS IMPORTANT USAGE AND SAFETY INFORMATION ........... 5 USING THIS MANUAL ....................6 ....................6 URPOSE AND AUDIENCE ...................... 6 NLINE RESOURCES ........................6 YMBOLS INTRODUCTION ......................
The following safety precautions must be observed during all phases of the operation, usage, service or repair of any CMi Series product. Users of the product are advised to convey the information to users and operating personnel and to incorporate these guidelines into all manuals supplied with the product.
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/. Symbols The following symbols are used throughout the manual to emphasize important information and useful...
With Elvaco’s One-Touch Commissioning (OTC), deployment, configuration and key transferring can be performed in a secure and flexible way. Use the Elvaco OTC App to enter your desired settings and place your phone next to the meter. New settings will be applied via NFC.
CMi4160 User’s Manual English Getting started Purpose This chapter provides instructions on how to get started with CMi4160. After reading and carefully following each step of this chapter, your meter connectivity module should be mounted and connected to the LoRaWAN network. Product specification 1.
LED lights up. b) By using the Elvaco OTC App: Open the Elvaco OTC app (downloadable via Google Play) and scan the module (make sure NFC is activated on the phone). Remove the front enclosure of the meter if needed.
CMi4160 User’s Manual English Figure 2: Soft start LED indication 5.3.6 Switch off/reboot module To reboot the module, press and hold the push button (2) for 5-15 seconds. Release the button when the green LED is lit. To switch off the module, press and hold the push button (2) for 15-20 seconds. Release the button when the red LED is lit.
(OTC) documentation, available on the Elvaco website. Configuration options CMi4160 is configured via the Elvaco OTC App. It uses NFC to transfer settings to the module. Downlink may also be used for some applications, see section 6.8 Downlink for more information.
Set absolute Sets the time of the meter. Writeable time When synchronizing the time via the Elvaco OTC App, the date, time and UTC offset settings of the phone will be applied to the meter. Set UTC Sets the UTC offset of the...
CMi4160 User’s Manual English Adaptive data rate (ADR) CMi4160 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.
CMi4160 User’s Manual English Message format JSON is encoded on JSON format. All messages begin with one byte specifying the message format used. All M-Bus encoded messages begin with one byte specifying the message format used. Then follows a sequence of data information blocks (DIBs), each one containing a data information field (DIF), a value information field (VIF) and a data field (DATA).
Page 16
CMi4160 User’s Manual English Compact Figure 6 illustrates the structure for message format Compact. 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 Energy...
Page 17
CMi4160 User’s Manual English Unit Unit of energy consumption (Wh, kWh, MWh, GWh, J, kJ, MJ, GJ, Cal, kCal, MCal or GCal) Meter ID Identification number of the meter in which the module is mounted. Table 7: Fields, message format JSON An example of a telegram for message format JSON is presented below: Figure 7: JSON message example Scheduled mode...
Page 18
CMi4160 User’s Manual English is updated at 24:00 each day. In other words, depending on transmit interval settings and data rate, the field will be included in between 1-24 telegrams per day. This will increase the probability of the value being received.
Page 19
CMi4160 User’s Manual English 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* Bit 20-16 = Day Bit 15 = Summertime flag** Bit 12-8 = Hour Bit 7 = Error flag*** Bit 6 = Reserved for future use*** Bit 5-0 = Minute...
Page 21
CMi4160 User’s Manual English **0 = standard time, 1= daylight-saving time ***0 = timestamp is valid, 1 = timestamp is not valid Table 12: Payload, message format Scheduled - Extended Combined heat/cooling Message format Combined heat/cooling is developed to be used in meters that measures both heating and cooling energy.
CMi4160 User’s Manual English 025Axxxx = xxxx * 0.1 °C 025Bxxxx = xxxx °C Rt temp 4 bytes INT16 Return temperature (°C) 025Exxxx = °C, 1 decimal Meter 10 bytes According to M- Meter address address Bus EN13757-3 identification Byte 0-1 = DIF/VIF code field Byte 2-5 = Meter ID, BCD8 Byte 6-7 = Meter manufacturer...
Page 23
CMi4160 User’s Manual English Message format 0x07 0x01 0x1E = Message format 0x00070101F Standard (Sets the message format 0x1F = Message format to compact) Compact 0x20 = Message format JSON 0x21 = Message format Scheduled-daily redundant 0x22 = Message format Scheduled - Extended 0x23 = Message format Combined heat/cooling...
CMi4160 User’s Manual English Technical specifications Type 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 Nominal voltage...
Page 25
CMi4160 User’s Manual English Configuration NFC via Elvaco OTC app or downlink data CMi4160 User’s Manual English page | 25 (28) [2020-10] V1.3...
CMi4160 User’s Manual English 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®...
CMi4160 User’s Manual English Document history Versions Version Date Description Author v0.1 2018-11 Proof of concept Anton Larsson v0.2 2019-04 Evaluation samples Anton Larsson v0.3 2019-10 Evaluation samples (final) Anton Larsson v1.0 2019-12 Commercial release Anton Larsson V1.1 2020-06 Commercial release v1.1 David Svensson V1.2 2020-09...
CMi4160 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) •...
Need help?
Do you have a question about the CMi Series and is the answer not in the manual?
Questions and answers