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IFM Electronic AC2721 Montageanleitung Seite 6

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Terminal connections
A+:
AS-i +
A-:
AS-i -
I+:
sensor supply +24V
I-:
sensor supply 0V
I1 ... I4:
switching input sensor 1 ... 4
E+:
external supply +24V for sensors/actuators
E-:
external supply +0V for sensors/actuators
O1 ... O4: switching output actuator 1 ... 4
LEDs 1:
switching status indication sensor inputs
LED 2:
indication AS-i supply
LEDs 3:
switching status indication actuator outputs
LED 4:
indication short-circuit /overload outputs
3-wire pnp sensor
L+
L
A
Bulb
L+
A
6
PAGE
LEDs 1 yellow
addressing plug
LED 2 green
LEDs 3 yellow
LED 4 red
Mechanical switch
I+
I-
I1
2-wire solenoid
(free wheeling diode recommended)
O1
O-
(E-)
A+ I+ I+ I– I+ I+ A+
A– I1 I2 I– I3 I4 A–
E+ E+ E+ O1 O2
E- E- E- E- E- E- E-
2-wire sensor
L+
I+
A
I1
+
O1
-
O-
(E-)
O3
O4
L+
I+
A
I1

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