Blue
NO
Relay normally-on end(Connect positive electric lock"-")
Purple
COM
Relay Public end, connect GND
Orange
NC
Relay Closed end(connect negative electric lock"-")
common power supply diagram:
BELL_A
BELL_B
OPEN
D_IN
COM
GND
ALARM
NC
+12V
special power supply diagram:
BELL_A
BELL_B
DO
D1
OPEN
D_IN
GND
ALARM
+12V
NO
NC
Connect
� Alarm
PoMer en tie b:::k keep lri:ldu"g
+
Doo<bell
Push Button
C(](JJJ
Ooo< contact
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a
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--
-----------
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·
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