3.2. Device operation
The idOil Solar remains deactivated most of the time, which means that it consumes very
little power. The device initiates at predetermined measurement intervals, in order to
perform the sensor measurements. When equipped with a 3G modem, the device also
starts listening at predeterminined intervals, to receive any possible setting commands and
simultaneously reports measurement values.
In case of an alarm, idOil Solar will either initiate a flashing beacon, or sends a
text message (SMS) to pre-set phone numbers, or both. All alarms are also visible locally, in
the idOil Solar Control Unit, during the short wake-up period.
The system's power consumption depends on the pre-set measurement and transmission
intervals, as well as the number of alarms.
More information about the device operation is available in the
Operation
chapter.
3.3. System components
The idOil Solar Control unit consists of a lockable IP65 polycarbonate housing, containing a
solar panel, idOil-30 Battery Control Unit with an in-built charge controller, a lead acid
battery (12 V / 7 Ah) and a main switch.
Any combination of fail-safe idOil-sensors, namely the idOil-OIL oil sensor, idOil-SLU sludge
sensor and idOil-LIQ high liquid level sensor, can be connected to the system. The standard
sensor cable length of a sensor is 5 meters and extendable to at least 500 meters.
Each alarm unit and sensor combination can be equipped with a 3G communication
module, a flashing Xenon beacon or both.
1. Solar panel
2. Control unit idOil-30 Battery or
Control unit idOil-30 Battery 3G
3. Main switch
4. Battery 12 V / 7 Ah
5. Flashing beacon (option)
Figure 2. System components - idOil Solar Control unit
3.3.1. Solar panel and battery
The solar panel charges the lead acid battery which powers the idOil-30 alarm unit.
Charging of battery is controlled by an idOil-30 built-in solar panel charge controller.
In normal use (under factory settings) there is no need to recharge or replace the battery
during its natural life time, due to the sophisticated low-power function of the system.
Battery life is normally about 5 years.
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