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BYPASS DIODE CONNECTION
If you connected an inductor (door locks or alarm device) to the output relay, there should occur a surge voltage while the
inductor was turning on and off. If you do not connect a bypass diode to the relay, the surge voltage will cause damage to
the electric circuit of the controller. To reduce this surge, it is recommended to connect a bypass diode between the
devices.
Mon 12 / 12 / 2009
10 : 30 : 20
1
2
3
F 1
F 2
F 3
4
5
6
F 4
F 5
F 6
7
8
9
F 7
F 8
F 9
0
ESC
ENT
F10
F11
F12
DC12V
GND(-)
Lock/Alarm
Cathode
Anode
1N4004~1N4007 or equiv.
English15
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