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6.2
Connection
Input circuit diagram
24 V
IN
0 V
1070 072 145-102 (01.07) GB
All of the 16 or 32 inputs have common 24 V and 0 V potential.
An input can be connected to an output of the output modules without addi-
tional load.
Connection via push-lock terminals:
D max. cable cross section :
D max. terminal current
Any two-wire proximity switch meeting the following requirements can be
connected:
D Closed-circuit current
D Voltage drop
D Holding current
Not suitable for connection are:
D 2-wire proximity switches that largely exploit the IEC 947-5-2 standard
D 2-wire proximity switches according to the NAMUR standard
E 24 V– Digital Input Modules
2
1.5 mm
6 A
v 1.7 mA
v 6 V
see V/I characteristic curve
6–3
IN
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