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User Manual  v1.1

RFM-LR1

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 manual

LORAWAN module for GSD8-RFM water meter

Summary of Contents for RFM-LR1

Page 1: ...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...

Page 2: ...essages are received 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 trans...

Page 3: ...al Physical installation process 1 Mount RFM LR1 unit on the water meter 2 Mount the locking pin and seal If you require further support please contact support bmeters com or your vendor Activating on...

Page 4: ...n this alarm flag is set Magnetic fraud attempt The module has a detector that can sense if a magnet is used to manipulate the function of a dry dial water meter If a magnet is sensed the alarm flag i...

Page 5: ...re key storage Battery life Battery life length 10 years at 4 hour intervals at SF12 Primary cell Lithium Manganese 3V Capacity 2 2 Ah Method Optical readout Using infrared diodes Weight Weight 85 g C...

Page 6: ...mands to be sent After approximately 2 minutes the device changes to Operational state Port Port 1 Payload 0x01 20 00 0x01 Data type 0x20 Status command 0x00 bit0 0 Normal startup bit1 0 No boot probl...

Page 7: ...o alarms 0x00 clears all alarms 0x80 clears all alarms except module removed etc 0x21 Volume Uint32 Big endian Liter Query Yes Volume as indicated on meter x 0 001 m3 0x22 Reporting interval Uint16 Bi...

Page 8: ...ting Module removed alarm flag Downlink 012000 Uplink 012000 Resets all alarm flags Downlink 012205A0 Uplink 012205A0 Sets the Reporting interval to 1440 minutes 24 hours Downlink 0227 Uplink 01270000...

Page 9: ...on slots parameters 0x05 RXParamSetupAns End device Acknowledges a RXSetupReq command 0x06 DevStatusReq Gateway Requests the status of the end device 0x06 DevStatusAns End device Returns the status of...

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