DOWNLINK
BYTE | BIT RANGE | SIZE | OFFSET | ABBREVIATION | DETAILS | |
1 | DB0.7…0.0 | 8 | 0 | FADD | Flow Raw Value Offset With 2’s complement Default = 0x00 = 0.00°C Resolution = 0.25°C | |
0x00 | 0.00 | |||||
0x01 | 0.25 | |||||
0x02 | 0.50 | |||||
… | … | |||||
0x7F | 31.75 | |||||
0x80 | -32.00 | |||||
… | … | |||||
0xFF | -0.25 | |||||
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UPLINK
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Ambient Temperature Estimate Calculation:
--uriencoded--\begin%7Balign*%7D & \text%7BFlow Smoothened %7D F_s = \frac %7B(0.2 F + 1.2F_%7Bt-1%7D + 1F_%7Bt-2%7D + 0.8F_%7Bt-3%7D + 0.6F_%7Bt-4%7D + 0.3F_%7Bt-5%7D + 0.1F_%7Bt-6%7D) %7D %7B4.2%7D + \text%7BFlow Offset%7D \\ \\ & \text%7Bwhere F = Flow Raw Value%7D \\ & \text%7Bwhere Flow Offset = 0 (default)%7D \\ \\ & \text%7Bif %7D \Big(F_s - z \big( F_s - 0.5(F_%7Bs_%7Bt-3%7D%7D + F_%7Bs_%7Bt-4%7D%7D ) \big) \Big) < \text%7B Ambient Raw Value%7D \\ & \text%7Bthen%7D \\ & \hspace%7B1cm%7D \text%7BFlow Corrected %7D F_c = \text%7BAmbient Raw Value%7D \\ & \text%7Belse%7D \\ & \hspace%7B1cm%7D \text%7BFlow Corrected %7D F_c = \Big(F_s - z * \big( F_s - 0.5(F_%7Bs_%7Bt-3%7D%7D + F_%7Bs_%7Bt-4%7D%7D ) \big) \Big) \\ \\ & \text%7Bwhere z = 0.1%7D \\ \\ & \textbf%7BAmbient Temperature Estimate%7D = \textbf%7BAmbient Raw Value%7D * \Bigg( \frac%7B\textbf%7BAmbient Raw Value%7D%7D%7B\textbf%7BFlow Corrected %7D F_c%7D \Bigg) %5e%7B1.2%7D \end%7Balign*%7D |