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8
SignalFire Telemetry
Rev 2.0
Remote Modbus Register Mapping
In addition to forwarding messages for other devices, the Repeater also reports status registers to the
SignalFire Telemetry Modbus Gateway. The data that is sent to the gateway is available at the gateway in
registers where it can then be read by a Modbus RTU.
This data is accessible at the same Slave ID that the Repeater is configured for
Register Map
Register
Number
Register
Address
(Offset)
Description
49988
9987 or 65524 Major revision number for the mainboard
49989
9988 or 65525 Minor revision number for the mainboard
49990
9989 or 65526 Major revision number for the radio
49991
9990 or 65527 Minor revision number for the radio
49992
9991 or 65528 High 16 bits of SFTS node address
49993
9992 or 65529 Low 16 bits of SFTS node address (the radio ID)
49994
9993 or 65530 Slave ID readback
49995
9994 or 65531 Received signal strength of last packet from the slave
49996
9995 or 65532 Battery voltage of the Modbus client, in millivolts
49997
9996 or 65533 Minutes until this slave will time out, unless new data is received
49998
9997 or 65534 Number of registers cached for this slave device
49999
9998 or 65535 Remote device type which is 80 for the Repeater
Technical Support and Contact Information
SignalFire Telemetry
140 Locke Dr, Suite B
Marlborough, MA 01752
(978) 212-2868