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

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

10.2.7 Example of external wiring (source input) [DC 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
the main unit.
*4 Do not connect with (0V) and (24V) terminals.
198
Input
impedance
5V 0V 24V
5V 0V 24V
5V 0V 24V
5V 0V 24V
5V 0V 24V
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.2 24V DC Input Type (Common to Sink/Source Input)
*3
Class D
S/S
grounding
(0V)
*4
(24V)
X0
X1
Input
terminal
S/S
X0
X1
Input
terminal
S/S
0V
*4
24V
X0
X1
Input
terminal
S/S
X0
X1
Input
terminal
24+
24-
Fuse *1
Three-
wire
sensor
Two-wire
proximity
sensor
*2
terminal of