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LORAWAN module for GSD8-RFM water meter
This manual offers a simple guide for getting started with the meter, as well as configuration and information
for advanced users. The RFM-LR1 Water meter module is designed with focus on ease-of-use and reliable
operation in LoRaWAN networks.
The unit is shipped in sleep mode, i.e. with all functions, including radio, deactivated. The device activates when
the red button is pressed for more than 8 seconds. This happens automatically when the unit is mounted on to
a GSD8-RFM mechanical water meter.
The following safety precautions must be observed during all phases of the operation, usage, service or repair
of this product.
•
Read the product manual.
Do not modify the product.
•
•
The product should not be exposed to extreme heat or open flame.
•
The device must not be exposed to harsh chemical agents or solvents.
RFM-LR1
RFM-LR1 manual
1
User Manual v1.1
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Summary of Contents for B meters RFM-LR1
- Page 1 LORAWAN module for GSD8-RFM water meter This manual offers a simple guide for getting started with the meter, as well as configuration and information for advanced users. The RFM-LR1 Water meter module is designed with focus on ease-of-use and reliable operation in LoRaWAN networks.
- Page 2 The device tries to re-join the network if it has not heard anything from the network for 288 uplinks (~ 36 days). Startup Sequence When the device has joined the network, startup transmissions are performed to make it easier to configure the device using downlink commands. When the startup sequence is completed normal operation is started. RFM-LR1 User Manual v1.1...
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Page 3: Physical Installation
AppEUI for this contact B METERS support. Upon receiving your RFM-LR1 you can request from B METERS the necessary information to connect it to your network server. This consists of the following: 1. - Page 4 Provision application server with unique DevEUI and AppKey Alarms The RFM-LR1 LoRa module have several alarm functions built in. When an alarm is detected the corresponding alarm flag in the status data is set. When any alarm flag is set the status, data is included in every report.
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Page 5: Specification
Specification Versions RFM-LR1 LoRaWAN Water meter Operations Operating temperature 0°C to +55°C Connectivity Network LoRaWAN Frequency bands 868 MHz Provisioning Over the air & personalization Security Algorithms AES-128 Hardware Cryptographic co-processor Features Secure boot, Secure firmware upgrade Hardware based ultra-secure key storage... - Page 6 As defined for Command Index (only for Type: Data) Downlink command network => device Field Bytes Value Description Note 0x01: Set Type 0x02: Query 0x03: Action Index Command Index Data As defined for Command Index only applicable for set-commands RFM-LR1 User Manual v1.1...
- Page 7 “zero tolerance” to reset seconds samples Query leak detection Opto phase Zero tolerance, max number of shaft phase changes 0x2D Leak Zero tolerance UInt8 0 - 255 changes Query considered “not moving”. RFM-LR1 User Manual v1.1...
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Page 8: Reset Device
Query the Back flow volume. The reply is 23 liter. Reset device The device can be remotely reset and forced into Joining state. All settings are back to factory default. Example Remote device reset: Port 1: 0305 RFM-LR1 User Manual v1.1... - Page 9 LoRa MAC Commands The RFM-LR1 can be controlled over by sending down link commands. The following MAC commands per LoRaWAN specification 1.0.2 Command Transmitted by Short Description Used by an end device to validate its connectivity to 0x02 LinkCheckReq End device a network.