Periodic reporting is described in the section Periodic Reports.
Report on Change Mode
Report on Change mode is set when byte 0 of the payload is set to 0x01. The remainder of the payload is defined
in the following table.
Byte
0
1
2
3
4
5
6
The temperature/humidity changes are unsigned values and have units of degrees C and % relative humidity.
If the report-on-change feature is used, the sensor will send an alert any time the temperature/humidity changes
by the specified amount. For example, if the temperature increase and decrease are set to 5 degrees, then an alert
is sent every time the temperature changes 5 degrees from the last report. There is no time limit as to when the
change must take place.
If the temperature/humidity increase is set to zero then the feature is disabled.
Periodic reporting is described in the section Periodic Reports.
Periodic Reports
The temperature/humidity sensor can also send periodic updates of the temperature and humidity, and this is
defined in byte 1 of both modes. A setting of 0 will disable periodic reporting. The period is defined in 1 hour
increments when the most significant bit is 0, and it is defined in 1 minute increments when the most significant
bit is 1 as shown in the following table.
Bit 7
0
1
For example, to receive a report every 4 hours, byte 1 would be set to 0x04. To receive a periodic report every 15
minutes, byte 1 would be set to 0x8f.
Note that prior to firmware version 1.3, only hourly reporting is available. The firmware version can be found in
the reset message and is logged on the Radio Bridge console.
Note:
Periodic reporting is not recommended as it will increase data service fees and significantly reduce
battery life. Wherever possible, use thresholds or report-on-change only.
®
Radio Bridge LoRaWAN
Wireless Sensor Air Temperature Humidity Sensor User Guide
Description
0x01 (Report on Change mode)
Periodic reporting in 1 minute or 1 hour intervals.
Default is 0 (disabled)
Not used.
Temperature increase
Temperature decrease
Humidity increase
Humidity decrease
Bits 6:0
Period defined in hours (1-127 hours)
Period defined in minutes (1-127 minutes)
SENSOR-SPECIFIC MESSAGES
23
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