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6 WIRING
6.5 Input Wiring
Source input [AC power supply type]
*1 Handle the power supply circuit properly in accordance with "Power Supply Wiring."
*2 For an input device having a parallel resistance or a two-wire proximity switch, a bleeder resistance may be required.
*3 In the case of source input wiring, short-circuit the [S/S] and [0V] terminals of the CPU module.
The service power supply or external power supply can be used for all inputs (X) of the CPU module. However
you need to select either one for each CPU module or I/O module. Both power supplies cannot be used
together in the same module.
X0
S/S
0V
24V
CPU module
N
L
X1
X0
S/S
X1
Input module
5V0V 24V
Input
terminal
X0
S/S
X1
Input module
5V0V 24V
5V0V 24V
Fuse
Class D grounding
*1
*2
Three-wire
sensor
Three-wire
sensor
Two-wire
proximity
sensor
0V
24V
*3
Input
impedance
Input
terminal
Input
terminal
24 V DC