User Manual

4.1.2 Payload

Port 122

Payload Length 9 bytes

Bytes 0 1 2 3 4 5 6 7 8

Field Status Battery Temp RH Time Count

Status

Sensors status

Bit [0]

Bit [1]

Bit [2]

Bits [7:3]

1 – occupied, 0 – free

1 – Button pressed, 0 - Button released

1 – Tamper detected, 0 - No tamper detected

RFU

Battery

Battery level

Bits [3:0]

Bits [7:4]

unsigned value ν, range 0 – 15;

battery voltage in V = (21 + ν) ÷ 10.

RFU

Temp

Environment Temperature

Bits [7:0] sign integer temperature in °C

Relative humidity as measured by a digital sensor

Bits [6:0]

Bit [7]

unsigned value in %, range 0-100.

RFU

Time Time elapsed since the last event-triggered

Bits [15:0] unsigned value in minutes, range 0 – 65,535.

*Note little-endian format.

Count Total count of event-triggered

Bits [23:0] unsigned value, range 0 – 16,777,215.

*Note: little

endian format.

Note: This value is not stored persistently on the device, and may reset whenever the device is

power-cycled or rebooted.