«Neomatica» Wireless sensor-immobilizer ADM33, edition 1.1 dd 11.11.2019
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3.
Operation principle
Immobilizer ADM33 consists of microcontroller, accelerometer, two semiconductor
switches with current protection, electromechanical relay, Bluetooth LE radio interface.
Microcontroller processes received commands via Bluetooth LE radio channel and
controls semiconductor switches and electromechanical relay basing on these commands,
signals from accelerometer and chosen operation algorithm.
When supply voltage is 15V, semiconductor switches and electromagnetic relay can
be used.
When supply voltage is more than 15 V, only semiconductor switches can be used and
the use of electromechanical relay is prohibited.
The outlets of semiconductor switches and electromechanical relay are combined, that
is why their simultaneous operation is impossible.
The outlets functions are different in different modes.
«СOM», «NC», «NO» outlets have got galvanic connection with immobilizer power
supply circuit. (Outlets «+» and «GND»). The voltage between any of «СOM», «NC», «NO»
outlets and any of + and GND outlets must not 40 V, otherwise immobilizer can be
damaged.
It is necessary to use additional relay or other suitable unit to provide galvanic isolation
between external power supply circuit and immobilizer power supply circuit. When using
external relay set semiconductor switches mode to reduce power consumption in the “on”
position.
