11
5.10
Fuel detector
VCC
Analog input
（
AIN1
）
used for oil detection, range 0-3V. If there is other sensor you want to use,
please make sure its voltage is suitable. Oil value is the one with highest precision, Max.
2
12
.The remaining-oil-percent will be sent to the server via GPRS.
GND
AIN1/AIN2
The remaining-oil-percent = (AIN1/4096)*100%
AIN1 value is the data to be uploaded to server by GPRS.
Please refer to <GPRS Communication Protocol> for more information.
5.11
Output control command
SMS command: $SMS,000000;W022,NO.,X;!
Describe: enable/disable this output
Explain:
NO.: 0
～
4
（
1 refer to digital output 1, 2 refer to digital output 2, 3 refer to digital output 3,
4 refer to digital output 4
）
X=1: open the output so that it can drive the relay.
X=0: close the output.
For example:
$SMS,000000;W022,1,0;!
