Commissioning
Operating Manual PNOZ m EF 4AI
1004650-EN-02
| 30
4-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 0 V- connections of the external power supplies can be interconnected.
I0+
I0-
PNOZ m EF 4AI
24V
0V
I1+
I1-
Sensor (SIL2)
0V
24V
+
-
=
~_
L+
L-
0V
24 V
I2+
I2-
24V
0V
I3+
I3-
24V
0V
Sensor (SIL2)
11
0V
24V
+
-
Sensor (SIL2)
0V
24V
+
-
0V/24V- Sensor
Sensor (SIL2)
11
0V
24V
+
-
=
~_
L+
L-
24V
0V
0V/24V- Sensor
0V/24V- Sensor
0V/24V- Sensor
0V/24V- Sensor
X1
, X
3
X2
, X
4