InHand VT300 Series, Руководство пользователя

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The 1-Wire is usually used for small communication equipment, such as
digital thermometers and iButton devices. Before use, the customer needs to
connect the DQ pin (signal line) of the 1-Wire device to the VT310 PIN8, and
connect the VDD and GND pins of the 1-Wire device to the GND of the
VT310. The sensor is the less02b type. The following picture shows the water
temperature detection wires of the 32 digital temperature sensor probe.
2.4.7 Ignition Sense
IGT(Ignition sense): IGT is used to connect to the Ignition switch of the
vehicle. The VT310 can detect whether the connected vehicle is ignited.
When using the 20PIN cable for testing, connect the IGT cable and V+ cables
to DC power supply.
3. Start the VT300
After the customer completes the installation according to the above steps,
the device can be started for debugging. The condition of the device can be