Example Of External Wiring (Source Input) [Ac Power Supply Type] - Mitsubishi FX3U-?*MR/ES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardware Edition

10.2.5 Example of external wiring (source input) [AC Power Supply Type]

Sink and source input type
Main unit
Input extension block
Sink and source
input type
Input / output powered extension unit
Input extension block
Special function block
*1 Handle the power supply circuit correctly according to Chapter 9 "Preparation for Wiring and Power Supply Wiring Procedures."
*2 For an input device with a parallel resistance or a two-wire proximity switch, a bleeder resistance may be required.
*3 In case of source input wiring, short-circuit the terminals of the extension units as well as the S/S terminal and the 0V terminal of
the main unit.
S/S
0V
24V
X0
X1
Input
impedance
5V 0V 24V
S/S
X0
X1
5V 0V 24V
S/S
0V
24V
X0
X1
5V 0V 24V
S/S
X0
X1
5V 0V 24V
24+
24-
5V 0V 24V
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.2 24V DC Input Type (Common to Sink/Source Input)
L
N
Class D
*3
grounding
0V
24V
Input
terminal
Input
terminal
L
N
*3
0V
24V
Input
terminal
Input
terminal
Fuse *1
Three-
wire
sensor
Two-wire
proximity
sensor
*2
195
1
2
3
4
5
6
7
8
9
10