Examples Of External Wiring (Sink Input) [Dc Power Supply Type] - Mitsubishi Electric MELSEC-F FX3G Series User Manual

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

10.2.5 Examples of external wiring (sink input) [DC Power Supply Type]

Sink and source input type
Sink and source
input type
*1 Handle the power supply circuit correctly in accordance with Chapter 9 "Preparation for Wiring and Power
Supply Wiring Procedures."
*2
For an input device having a parallel resistance or a two-wire proximity switch, a bleeder resistance may be
required.
In the case of sink input wiring, short-circuit the terminals of the input/output powered extension units as
*3
well as the S/S terminal and the
Do not connect with 0V and 24V terminals.
*4
150
Main unit
Input
impedance
5V 0V 24V
Input extension block
5V 0V 24V
Input/output powered extension unit
5V 0V 24V
Input extension block
5V 0V 24V
terminal of the main unit.
10.2 24V DC input (Sink and source input type)
Class D
grounding
*3
S/S
X0
X1
Input
terminal
S/S
X0
X1
Input
terminal
*3
S/S
0V
*4
24V
X0
X1
Input
terminal
S/S
X0
X1
Input
terminal
10 Input Wiring Procedures
Fuse *1
Three-
wire
sensor
Two-wire
proximity
*2
sensor