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how can i calibrate fmb920 for analog fuel sensor wire?i have attached the connection but all i get is 173 regardless of diff fuel levels

2 Answers

0 votes
by
Hello,

Analogue fuel level sensor positive wire schould be connected to analog input AIN1 of FMB920. Voltage (in mV) on that input will be send as AVL ID 9 (Analog input 1).

Example connection:

https://wiki.teltonika-gps.com/view/FMB920_Accessories

Regards
by
Why is my mv stuck at 173 but i have not emptied my tank .It had like 8 litres then i added 10 litres but it just jumped to 853 then back and stuck at 173
by
Hello,

Please measure voltage on Analogue input 1 with voltometer and compare it with device's reading
by
Shows 0.6-0.7 volts
by
Hello,

Thank you for your answer

Please provide device firmware version, you can check it in the configurator or with getver SMS command:

https://wiki.teltonika-gps.com/view/FMB_getver
0 votes
ago by

Wrong wire has been connected.

Plz see the video guide

https://youtu.be/1a1DK8cNDRA