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Manual
LoRa Module
Contents
DOCUMENT NOTES ............................................................................................................... 2
1
1.1
OPYRIGHT AND TRADEMARK ..................................................................................................................................
1.2
IMPORTANT USAGE AND SAFETY INFORMATION ................................................................... 3
2
USING THIS MANUAL ............................................................................................................ 4
3
3.1
URPOSE AND AUDIENCE ..........................................................................................................................................
3.2
NLINE RESOURCES ..................................................................................................................................................
3.3
4
INTRODUCTION .................................................................................................................... 5
4.1
4.2
PPLICATION DESCRIPTION .......................................................................................................................................
4.3
RODUCT FEATURES .................................................................................................................................................
4.4
GETTING STARTED ................................................................................................................ 6
5
5.1
5.2
RODUCT SPECIFICATION ..........................................................................................................................................
5.3
5.3.1
5.3.2
5.3.3
5.3.4
ADMINISTRATION REFERENCE ............................................................................................. 10
6
6.1
6.2
ECURITY AND ACCESS CONTROL ............................................................................................................................
6.3
ONFIGURATION OPTIONS .....................................................................................................................................
6.3.1
6.4
6.5
RANSMIT INTERVAL ...............................................................................................................................................
6.5.1
6.6
ESSAGE FORMATS ................................................................................................................................................
6.6.1
6.6.2
6.6.3
TECHNICAL SPECIFICATIONS ................................................................................................ 26
7
TYPE APPROVALS ................................................................................................................ 27
8
DOCUMENT HISTORY .......................................................................................................... 28
9
9.1
V
REFERENCES ....................................................................................................................... 29
10
10.1
ERMS AND ABBREVIATIONS ..................................................................................................................................
10.2
UMBER REPRESENTATION ....................................................................................................................................
10.3
10.4
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UP THE DEVICE ........................................................................................................................
Mounting ................................................................................................................................... 7
Network preparation ................................................................................................................. 7
Activation and LED indications .................................................................................................. 7
Reboot/Switch off module ......................................................................................................... 9
Downlink.................................................................................................................................. 12
(ADR) ......................................................................................................... 13
EcoMode .................................................................................................................................. 13
Message structure ................................................................................................................... 14
Structure and payload ............................................................................................................. 15
Meter communication error message ..................................................................................... 25
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2
4
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Summary of Contents for engelmann CMi4170
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Page 1: Table Of Contents
Manual LoRa Module Contents DOCUMENT NOTES ....................... 2 OPYRIGHT AND TRADEMARK ..........................ONTACTS ................................. IMPORTANT USAGE AND SAFETY INFORMATION ..............3 USING THIS MANUAL ......................4 URPOSE AND AUDIENCE ............................NLINE RESOURCES ..............................YMBOLS ................................... INTRODUCTION ........................5 URPOSE ................................... PPLICATION DESCRIPTION ............................ -
Page 2: Document Notes
It is recommended that customers contact Engelmann Sensor GmbH for the latest product information before purchasing a control and monitoring interface product. -
Page 3: Important Usage And Safety Information
Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Engelmann Sensor GmbH assumes no liability for customer’s failure to comply with these precautions. -
Page 4: Using This Manual
Online resources To download the latest version of this user’s manual, or to find information in other languages, please contact info@engelmann.de. Symbols The following symbols are used throughout the manual to emphasize important information and useful tips: The Note symbol is used to mark information that is important to take into consideration for safety reasons or to assure correct operation of the meter connectivity module. -
Page 5: Introduction
Meter Compatibility The LoRa Module is compatible with Engelmann SensoStar meters with a compatible firmware version. If the LoRa Module is mounted in an incompatible meter, this is indicated in the OTC App. Table 2 shows the minimum firmware versions required. -
Page 6: Getting Started
Getting started Purpose This chapter provides instructions on how to get started with the LoRa Module. 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) Green LED (2) Red LED (3) Interface Connector... -
Page 7: Mount And Start-Up The Device
Mount and start-up the device 5.3.1 Mounting Mount the LoRa Module in the module slot of Engelmann, see Figure 2 below. Please make sure that the module’s push button (2) is facing upwards. Please make sure that Interface connector of the meter (1) fits the Interface connector of the module (3). - Page 8 By using the Engelmann optical interface configuration tool “Device Monitor”. For further information please refer to Engelmann documentation. d) By using the meter menu. For further information please refer to Engelmann documentation. Network join When activated, the LoRa Module will attempt to join the LoRaWAN network by the following sequence: 1.
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Page 9: Reboot/Switch Off Module
5.3.4 Reboot/Switch off module Reboot Press and hold the push button (2) for 5-15 seconds. Release the button when the green LED is lit. Switch Off Press and hold the push button (2) for 15-20 seconds. Make sure to release the button when the red LED is lit. If releasing the push button after more than 20 seconds, the module will not switch off. -
Page 10: Administration Reference
The LoRa Module is configured via the Elvaco OTC app. It uses NFC to transfer settings to the module. Downlink may also be used to for some configurations, see section 6.3.1 Downlink for more information. The LoRa Module can also be configured using Engelmann optical interface configuration tool “Device Monitor”, for further information please refer to Engelmann documentation. - Page 11 Select which of the three pulse Pulse input 0x00 (None) Readable / Readable Writeable inputs to include when using selection Writeable the Engelmann message format. One or more can be selected. LoRaWAN Settings Device EUI Unique module identification Device-unique 64- Readable Readable number.
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Page 12: Downlink
(Sets the message format to 0x26 = JSON compact) 0x27 = Scheduled-daily redundant 0x28 = Scheduled - Extended 0x29 = Combined heat/cooling 0x2C = Engelmann EcoMode 0x0F 0x01 0x00 = Disable EcoMode 0x000F0100 0x01 = Enable EcoMode, 10 (Disables EcoMode) years... -
Page 13: Adaptive Data Rate (Adr)
When EcoMode is active, the module has a battery lifetime of 6+1 or 10+1 years, depending on what EcoMode alternative is set. EcoMode setting is ignored when PSU (external power supply Engelmann) is connected. The module can achieve battery life of 6+1 or 10+1 years by using a table of allowed transmit intervals settings for each data rate. -
Page 14: Message Formats
6.6.1 Message structure Message formats Standard, Compact, Scheduled – Daily redundant, Scheduled Extended, Combined heat/cooling and Engelmann are encoded in M-Bus format (M-Bus standard EN 13757-3:2013). Message format JSON is encoded in 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. -
Page 15: Structure And Payload
0x2C = Engelmann telegram 1 0x2D = Engelmann telegram 2* Table 7: LoRa Module Message formats *Engelmann telegram 2 cannot be selected as a telegram type. It is the ID of the second telegram when using message format Engelmann. 6.6.2 Structure and payload In this section, a detailed description of each message format payload is provided. - Page 16 04FB0Exxxxxxxx = xxxxxxxx * 10 MCal 04FB0Fxxxxxxxx = xxxxxxxx * 100 MCal Volume 6 bytes INT32 Volume (m 0411xxxxxxxx = xxxxxxxx * 0.00001 m³ 0412xxxxxxxx = xxxxxxxx * 0.0001 m³ 0413xxxxxxxx = xxxxxxxx * 0.001 m³ 0414xxxxxxxx = xxxxxxxx * 0.01 m³ 0415xxxxxxxx = xxxxxxxx * 0.1 m³...
- Page 17 Energy 6-7 bytes INT32 Energy consumption (Wh, J, Cal, MBTU) 0400xxxxxxxx = xxxxxxxx,xxx Wh 0401xxxxxxxx = xxxxxxxx,xx Wh 0402xxxxxxxx = xxxxxxxx,x Wh 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh 0405xxxxxxxx = xxxxxxxx * 100 Wh 0406xxxxxxxx = xxxxxxxx kWh 0407xxxxxxxx = xxxxxxxx * 10 kWh 040Exxxxxxxx = xxxxxxxx MJ 040Fxxxxxxxx = xxxxxxxx * 10 MJ...
- Page 18 Field Size Data type Description Message 1 byte 0xFA (=Clock message) format identifier Date/time 6 bytes 32 bit binary integer 046Dxxxxxxxx = Valid date/time message M-Bus type F 346Dxxxxxxxx = Invalid date/time message Table 12: Payload, clock message The clock message will be transmitted once every day and the data message at least (regulated by transmit interval parameter) once every day.
- Page 19 0415xxxxxxxx = xxxxxxxx * 0.1 m³ 0416xxxxxxxx = xxxxxxxx m³ 0417xxxxxxxx = xxxxxxxx * 10 m³ Meter ID 6 bytes According to M- Bus Meter ID EN13757-3 0C78xxxxxxxx identification field Error flags 4 bytes INT8 Error and warning flags 01FD17xx Meter 6 bytes INT32...
- Page 20 Field Size Data Description type 1 byte 0x28 (Scheduled – Extended) Message format identifier 6-7 bytes INT32 Energy consumption (Wh, J, Cal, MBTU) Heat energy E1 / Cooling 0400xxxxxxxx = xxxxxxxx,xxx Wh energy E3 0401xxxxxxxx = xxxxxxxx,xx Wh 0402xxxxxxxx = xxxxxxxx,x Wh 0403xxxxxxxx = xxxxxxxx Wh 0404xxxxxxxx = xxxxxxxx * 10 Wh 0405xxxxxxxx = xxxxxxxx * 100 Wh...
- Page 21 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 *The year is read by combining the year-high and year- low...
- Page 22 Note that telegram 2 is only transmitted from the module if the pulse inputs are used. When using the Engelmann message format the transmit interval (see section 6.5) is doubled to compensate for the additional telegrams transmitted in this message format, even if pulse inputs are not used and telegram 2 is not transmitted.
- Page 23 Table 17 and Table 18 list the indexes the information of both telegrams of this message format. Field Size Data type Description 1 byte 0x2C (Engelmann, telegram 1) Message format 6-7 bytes INT32 Energy consumption (Wh, J, Cal) Heat energy E1 /...
- Page 24 Table 17: Message format Engelmann, heat meter telegram *Cooling energy E3 field is only valid in a combined heat/cooling meter for message format Engelmann. Else the function field of the DIF is set to “value during error state” to indicate that the value is not valid.
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Page 25: Meter Communication Error Message
0C78xxxxxxxx EN13757-3 identification field Table 18: Message format Engelmann, pulse input telegram 6.6.3 Meter communication error message The payloads using M-Bus encoded data uses the Function field of the DIF to indicate errors. In this case it is set to “value during error state”... -
Page 26: Technical Specifications
Value Unit Comments Mechanics Dimensions (w x h x d) 29 x 56 x 12 Weight Mounting In module slot of Engelmann SensoStar S3/S3C Electrical connections Supply voltage Internal meter battery or PSU (Engelmann External Power Supply) Electrical characteristics Nominal voltage... -
Page 27: Type Approvals
Type approvals The LoRa Module 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 Page 27 of 29 12.02.2024 Subject to technical change! -
Page 28: Document History
Document history Versions Version Date Description V1.0 2020-10 Commercial release v1.0 V1.1 2024-02 Adjustments M-Bus decoding Page 28 of 29 12.02.2024 Subject to technical change! -
Page 29: References
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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