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Download and install the USB cable driver "PL2303_Prolific_Driver". After the device is turned on, connect the VT140 to the computer via a USB cable, run the "iStartek Parameter Editor_V1.00" configuration software and open the port to enter the parameter configuration state.
You can set the server IP, Port, and APN parameters through SMS commands SET PIP、 SET PPT、 SET SIP、 SET SPT、 SET APN and you can also use the iStartek Parameter Editor software to configure related parameters. For more SMS command functions and parameter configuration, please refer to "VT140 protocol V1.0" and "iStartek Parameter Editor User Manual".
The height measurement range of the ultrasonic fuel sensor is 0~100cm (0~250cm optional), and the corresponding voltage output range is 0~5V. VT140 analog input connect to the ultrasonic fuel sensor, the green wire of the ultrasonic sensor is connected to the AD1 blue wire of the VT200 or the AD2 pink wire.
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