Lobaro wMBUS-LoRaWAN User Manual Download Page 11 | Manualshive

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4. Conguration

4.3.1. LoRaWAN network parameters

A large part of the conguration parameters are used to control the device's usage of LoR-

aWAN. Table 3 lists all of them. There are two dierent ways to use LoRaWAN: over-the-air

activation (OTAA) and activation by personalization (ABP). Some conguration parameters

are only used with one of those methods, others are used for both.

wMBUS over LoRaWAN Bridge

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Summary of Contents for wMBUS-LoRaWAN

Page 1: ... wMBUS over LoRaWAN Bridge User Manual Product Name wMBUS LoRaWAN Related Firmware V1 5 1 Document Date 2018 08 31 ...

Page 2: ... The Lobaro Maintenance Tool 9 4 2 Connecting the USB con g adapter 10 4 3 System parameters 10 4 3 1 LoRaWAN network parameters 11 4 3 2 wMBUS bridge parameters 13 4 3 3 Cron expressions 14 5 LoRaWAN Data Upload Formats 14 5 1 Status Packet 15 5 2 Data Packet 15 5 2 1 Examples 16 5 2 2 Upload Rate 16 5 2 3 Decoding wMBUS 17 6 Technical characteristics 19 6 1 Housing Dimensions 20 A CE Declaration...

Page 3: ...s with wireless ranges of up to 5 kilometers between the transmitter and receiving gateway antenna without the usual cellular network costs in classical M2M or smart metering solutions Also unlike with cellular networks it s possible to setup own gateways if needed This often results in much lower operational costs with the Lobaro wMBUS bridge compared to conventional remote meter reading via LTE ...

Page 4: ... internal helix antenna can be identi ed by the winding pcb traces near the white printed encircled connectivity symbol In any case a device mounting directly on top of a metal surface is not advisable since it will degrade the possible RF range Stone walls wood or plastic stando s are perfectly ok In case of challenging installation locations e g in basements or unavoidable long distances to the ...

Page 5: ... to info lobaro com and we will return to you a custom battery lifetime calculation a recommendation for the best power supply scheme and the needed minimal battery capacity 2 3 1 Example calculation In this battery lifetime calculation scenario the target meters send a 35 byte long L Field wireless M Bus telegram constantly every 10 seconds This behavior is for example very similar to a Hydrus ul...

Page 6: ...ime by setting up additional LoRaWAN Gateways near the meters of interest 2 3 2 Usage scenario recommendations As a simple rule of thumb using the Lobaro wireless M Bus over LoRaWAN bridge is a good t in applications that require daily or less often consumption values of 1 to 40 installed wireless M Bus meters For installations with a higher meter count simply more Lobaro bridges may be used Anoth...

Page 7: ...fo lobaro com either English or German is ne 3 Work Cycle Initial LoRaWAN Join wMBUS Collection LoRaWAN Transfer Sleep Cron expression Figure 2 The ve phases of the wMBUS Bridge Work ow The Bridge has a simple work cycle that consists of ve phases It is illustrated in gure 2 3 1 Initial Phase This is the phase that is executed after the device is started of restarted The Bridge performs a quick se...

Page 8: ...inal wMBUS telegram byte sitze this can require multiple LoR aWAN messages to be sent Since LoRa requires any device to respect a strict duty cycle it is possible that the Bridge will need to wait before sending its messages If this happens the device will enter a power saving modus while waiting for the next message It is possible that transferring all data will take several minutes In addition t...

Page 9: ...ace can be accessed normally using a standard web browser at address http localhost 8585 see g 3 Normally your default browser should be opened with this URL automatically after tool startup Even remote con guration and log observation over the Internet is possible e g having a Raspberry PI via USB connected to the Lobaro device and accessing the maintenance tool from a remote machines browser ove...

Page 10: ...gh it would be no problem hav ing batteries inserted or a di erent supply connected while using the con g adapter All con guration parameters will be kept non volatile regardless of the power supply Figure 4 Connected Lobaro USB con guration adapter 4 3 System parameters After being successfully connected to the hardware using the Lobaro Maintenance Tool you can press Reload Con g in the Con gurat...

Page 11: ... to control the device s usage of LoR aWAN Table 3 lists all of them There are two di erent ways to use LoRaWAN over the air activation OTAA and activation by personalization ABP Some con guration parameters are only used with one of those methods others are used for both wMBUS over LoRaWAN Bridge 11 ...

Page 12: ...t in order to avoid devices repeatedly interfering with each other through bad timing The default value is 300 which means the timeout between attempts is 300 400 seconds AppSKey bytes 16 ABP App Session Key as de ned by the LoRaWAN network operator Hex format without 0x pre x NetSKey bytes 16 ABP Network Session Key ad de ned by the LoRaWAN net work operator Hex format without 0x pre x DevAdr byt...

Page 13: ...n relation the wMBUS sendout interval of the target meter smodeCron string Cron Expression de ning when the device starts wMBUS S1 mode receive phases Please refer to chapter 4 3 3 for an in troduction blank no S1 receive smodeDurSec int Duration in seconds for each S1 mode wMBUS receive phase if smodeCron blank Should be chosen in relation the wMBUS sendout interval of the target meter devFilter ...

Page 14: ...onds 0 59 Minutes 0 59 Hours 0 23 Days 1 31 Month 1 12 Day of Week SUN SAT b 0 6 Examples of CRON de nitions 0 5 Hourly at minute 5 second 0 at 00 05 00 01 05 00 0 1 10 every 10 minutes from minute 1 second 0 minutes 1 11 21 0 0 6 Daily at 6 00 00 0 0 13 1 15 1st and 15th day of every month at 13 00 00 0 0 9 1 5 Every month daily from day 1 till 5 at 9 00 00 5 LoRaWAN Data Upload Formats After col...

Page 15: ...or decoding in The Things Network 9 5 2 Data Packet After each wMBUS collecting phase all saved telegrams up to 500 can be stored will be uploaded via LoRaWAN uplink messages as fast as possible The received wMBUS telegrams that did pass the con gured white list lters will be uploaded without any modi cation in one or more LoRaWAN messages If a wMBUS telegram is bigger than the bridge con guration...

Page 16: ...t of the original wMBUS data Port 33 means that this data is the 3rd part of the original wMBUS data All three parts have to been concatenated in the order of receive by the backend 5 2 2 Upload Rate The bridge has to work in compliance with the European SRD 868 1 duty cycle regulations This implies as a rule of thumb the device can upload at most wMBUS telegrams for 36 seconds every hour The actu...

Page 17: ...nderlying norm A universal wireless M Bus decoder is a relatively complicated piece of software if you start implementing it from scratch since the norm covers many di erent use cases units meter types and data formats If you know in advance the exact telegram format of the deployed meters in your setup a hard coded data decoding may be a feasible approach This is because wireless M Bus devices of...

Page 18: ...ess to this API is included in our wmbus bridge testpacket o er for quick device evaluation API Integration into production systems is also possible but in this case a separate agreement about a royalty fee must be achieved up front For more information on licensing our wireless M Bus parsing API plase send us your request via email to info lobaro com either English or German is ne wMBUS over LoRa...

Page 19: ...ication Supported Modes EN13757 4 S1 C1 T1 Frequencies 868 3 MHz 868 95 MHz RF Range 30m Telegram memory up to 500 telegrams on request 1 500 Power Supply Nominal Supply Voltage 3V Supply Voltage Range 2 2V 3 7V Power supply 2 AA battery 1 5V LR6 FR6 5V USB powered over Lobaro Adapter On Request 230V mains adapter 3 6V Battery Current consumption 3V Normal 3 mA Wireless M BUS RX 14 mA LoRa RX 14 m...

Page 20: ...6 Technical characteristics 6 1 Housing Dimensions wMBUS over LoRaWAN Bridge 20 ...

Page 21: ...ed Health and safety RED Art 3 l a lEC 62368 1 2014 Ed 2 Cor 2015 lEC 62479 2010 EMC RED Art 3 l b ETSI EN 301 489 1 VI 9 2 V2 2 0 t ETSI EN 301 489 3 VI 6 1 V3 2 0 t lEC 61000 6 2 2005 Radio spectrum RED Art 3 2 ETSI EN 300 220 1 V3 1 1 2017 02 ETSI EN 300 220 2 V3 1 1 2017 02 tReferenced newer Standard versions in parenthesis will supersede its predecessors At time of testing the newer Standards...

Page 22: ...Heat 05 Steam 06 Warm Water 07 Water 08 Heat Cost 09 Compressed Air 0A Cooling load meter outlet 0B Cooling load meter inlet 0C Heat inlet 0D Heat Cooling load meter 0E Bus System component 0F Unknown 10 14 Reserved 15 Hot Water 16 Cold Water 17 Dual Water meter 18 Pressure 19 A D Converter 1A DD Reserved 1B Room wMBUS over LoRaWAN Bridge 22 ...

Page 23: ...d trash C 1 WEEE The WEEE directive is the EU directive Waste of Electrical and Electronic Equipment 2002 96 EC It aims to reduce the growing amount of electrical and electronic waste created by disposed electronic devices The goal is to avoid and reduce disposal and to make the disposal more friendly for the environment by including the manufacturer in a broader responsibility C 1 1 Proper dispos...

Page 24: ...anufacturer advise you that the customer and end consumer is required by law to return used batteries for a proper disposal After usage batteries can be returned to the vendor or at a place close proximity free of charge If used batteries are sent to the vendor parcels must be sent fully postpaid The following symbol indicates that a battery contains heavy metal or other hazardous substances and t...

Page 25: ...n sollten D 1 WEEE Die WEEE Richtlinie von engl Waste of Electrical and Electronic Equipment deutsch Elektro und Elektronikgeräte Abfall ist die EU Richtlinie 2002 96 EC zur Reduktion der zunehmenden Menge an Elektronikschrott aus nicht mehr be nutzten Elektro und Elektronikgeräten Ziel ist das Vermeiden Verringern sowie umweltverträgliche Entsorgen der zunehmenden Mengen an Elektronikschrott durc...

Page 26: ...erp ichtet ist Batterien können nach Gebrauch beim Verkäu fer oder in dessen unmittelbarer Nähe unentgeltlich zurückgegeben werden Werden Batterien an den Verkäufer übersandt ist das Paket ausreichend zu frankieren Das nachfolgende Symbol bedeutet dass es sich um schwermetallhaltige schadsto haltige Batterien handelt die nicht mit dem einfachen Haus oder Gewerbeabfall entsorgt werden dürfen Die un...

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