Commissioning
Operating Manual PNOZ m EF 4AI
1004650-EN-02
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2-wire connection, supply voltage of sensors externally
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The supply connections 24 V and 0 V are used only to supply the analogue input module.
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The terminals I0- … I3- and 0 V must be bridged.
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The 0 V connections of the external power supplies have to be interconnected.
I0+
I0-
PNOZ m EF 4AI
24V
0V
I1+
I1-
Sensor (SIL2)
+
-
I2+
I2-
24V
0V
I3+
I3-
24V
0V
Sensor (SIL2)
11
+
-
X1
, X
3
X2
,
X4
Sensor (SIL2)
+
-
Sensor (SIL2)
11
+
-
=
~_
L+
L-
0V
24 V
=
~_
L+
L-
24V
0V
24 V- Sensor
24 V- Sensor
24 V- Sensor
24 V- Sensor
24 V- Sensor
4-wire connection, supply voltage of sensors via analogue input module
}
Supply connections 24 V and 0 V are used to supply the analogue input module and to
supply the sensors.
