LEGRAND D45 SYSTEM - Connection Way for NC and no Contacts; IU Rear Side Connector

iu rear side connector
sensor 8
sensor 7
sensor 6
sensor 5
gas sensor
smoke sensor
door sensor
infrared sensor
10 K
10 K
NO
C
NC
12 V
GND
+12 V
F1
GND
F8
F7
F6
F5
F4
F3
F2
10 K
10 K
Fn
GND
NC
C
10 K
10 K
Fn
GND
NC
C
NC
C
10 K
10 K
Fn
GND
NO
C
NO
C
10 K
10 K
Fn
GND
NO
C
Note: 10 KΩ resistors are used to detect cable by cut or cable short circuited to GND.
Resistors must be placed near the sensor. IU can afford sensor 12 Vdc - 300 mA max. type.
sensor 8
sensor 7
sensor 6
sensor 5
gas sensor
smoke sensor
door sensor
infrared sensor
10 K
10 K
NO
C
NC
12 V
GND
+12 V
F1
GND
F8
F7
F6
F5
F4
F3
F2
10 K
10 K
Fn
GND
NC
C
10 K
10 K
Fn
GND
NC
C
NC
C
10 K
10 K
Fn
GND
NO
C
NO
C
10 K
10 K
Fn
GND
NO
C
sensor 8
sensor 7
sensor 6
sensor 5
gas sensor
smoke sensor
door sensor
infrared sensor
10 K
10 K
NO
C
NC
12 V
GND
+12 V
F1
GND
F8
F7
F6
F5
F4
F3
F2
10 K
10 K
Fn
GND
NC
C
10 K
10 K
Fn
GND
NC
C
NC
C
10 K
10 K
Fn
GND
NO
C
NO
C
10 K
10 K
Fn
GND
NO
C
sensor 8
sensor 7
sensor 6
sensor 5
gas sensor
smoke sensor
door sensor
infrared sensor
10 K
10 K
NO
C
NC
12 V
GND
+12 V
F1
GND
F8
F7
F6
F5
F4
F3
F2
10 K
10 K
Fn
GND
NC
C
10 K
10 K
Fn
GND
NC
C
NC
C
10 K
10 K
Fn
GND
NO
C
NO
C
10 K
10 K
Fn
GND
NO
C
sensor 8
sensor 7
sensor 6
sensor 5
gas sensor
smoke sensor
door sensor
infrared sensor
10 K
10 K
NO
C
NC
12 V
GND
+12 V
F1
GND
F8
F7
F6
F5
F4
F3
F2
10 K
10 K
Fn
GND
NC
C
10 K
10 K
Fn
GND
NC
C
NC
C
10 K
10 K
Fn
GND
NO
C
NO
C
10 K
10 K
Fn
GND
NO
C
connection way for nc and no contacts:
NC mode - Single sensor NO mode - Single sensor
NC mode - Multiple sensors NO mode - Multiple sensors
97
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