p.24
Check Point during Installation
2.4
Reverse Diode Connection
If you connect an inductor (Door Locks or Alarm Device) to the output relays, there will be a
high surge voltage created while the inductor is turning on and off. If you do not connect Re
verse Diode, the surge voltage will transfer and damage the electronic circuit of the controll
er. It is strongly recommended to add a Reverse Diode between the inductor coils to absorb
this surge voltage.
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