8×dig. I/O compact
6
The compact system
6.2
l
6.2-6
EDSPM-TXXX-3.0-04/2004
µC
+
–
X1PE
X4 X4–
–
+
+
+
X3/2
X3/1
X3/3
X3/4
X3/5
X3/6
X3/7
X3/8
X3/9
X3/10
Z
Z
Z
Z
DC 24 V
(DC +18 … +35 V)
0
epm-t041
Fig. 6.2-5 Wiring diagram of 8×dig. I/O compact
Emergency-off switch
X4, X4– Terminal strips
Z
Load
Stop!
If the voltage supply (DC 24 V) fails, the module will malfunction:
z
Switched outputs carry voltage if one input is assigned with a
HIGH level,
z
Themodulecanbedestroyedsincetheoutputsarenot
resistant to short circuits anymore.
The emergency-off switch ensures that when being operated the
outputs do not carry any voltage and the inputs are not assigned
with a HIGH level.
Connection
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