Sen": Sensor Message - Radio Bridge RBM101i-319 User Manual

3.2.4. "SEN": Sensor Message

The SEN message is sent whenever the module receives a sensor event. The payload of the
message is defined as follows.
Sensor Space
ID 0x20
6 bytes 1 byte
Sensor ID: This is the unique 24-bit sensor ID that is usually printed on a sticker on the
enclosure of the sensor
Message Count: With every new sensor event, this field increments from 0 to 6 or 7 and then
rolls back to 0. This counter allows the user to determine if any sensor events were missed or
arrived out of order.
Low Battery: 1 if the battery is low, 0 normally
Device Type: This byte represents the sensor type and will define how to interpret the sensor
status bits
Sensor Status: These bits represent the sensor event as defined by the device type. See the
section on Sensor Event Messages for more detail.
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OPYRIGHT ADIO
Table 8 Message Payload
Message Space
Count 0x20
1 bytes 1 byte
B I .
RIDGE NC
R
ADIO
Low Space Device
Battery 0x20 Type
1 byte 1 byte 1 byte
R B RBM101
ADIO RIDGE
B RBM101 U G
RIDGE I SER
Space Sensor Carriage
0x20 Status Return
0x0D
1 byte 3 bytes 1 byte
U G P 8
I SER UIDE AGE
UIDE
19
OF