22
EN
Negative to give - Normally open to a negative
Positive to remove - Normally closed to a positive
Negative to remove - Normally closed to a negative
ON
ON
SW-3
SW-1
IN FUM
GND
IN FUM
GND
Rest state: IN FUM input with open contact
Alarmed state: IN FUM input in logic state “0” (contact
closed at voltage lower than the maximum voltage of logic
state “0”)
ON
ON
SW-3
SW-1
IN FUM
+V
hi
(3÷15Vcc)
IN FUM
+V
hi
(3÷15Vcc)
Rest state: IN FUM input in logic state “1” (contact
closed at voltage higher than the minimum voltage of
logic state “1”)
Alarmed state: IN FUM input with open contact
ON
ON
SW-3
SW-1
IN FUM
GND
IN FUM
GND
Rest state: IN FUM input in logic state “0” (contact open at
voltage lower than the maximum voltage of logic state “0”)
Alarmed state: IN FUM input with closed contact
