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Alarm buttons, door sensors, etc
Alarm buttons, door sensors, ignition, etc return two states: high or low voltage. Digital
inputs should be used to read this information. Figure below shows how to connect alarm
button, door sensor, etc.
Figure 10 Panic button connection
In cases when sensor output signal is negative an additional relay has to be installed to
convert negative signal to positive.
Figure 11 Inverting relay connection
Содержание FM6320
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