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10 Input Wiring Procedures
10.2 24V DC input (Sink and source input type)
151
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Input/Output
Nos., Unit Nos.
8
Installation
9
Preparation and
Power Supply
Wiring
10
Input Wiring
10.2.6 Examples of external wiring (source input) [DC Power Supply Type]
X0
S/S
Main unit
X1
X0
S/S
X1
Input extension block
X0
S/S
0V
24V
Input/output powered extension unit
X1
X0
S/S
X1
Input extension block
5V 0V 24V
5V 0V 24V
Fuse
5V 0V 24V
5V 0V 24V
Input
impedance
Input
terminal
Input
terminal
Input
terminal
Three-
wire
sensor
Input
terminal
*1
*2
Two-wire
proximity
sensor
*1
*2
*3
*4
Sink and source
input type
Class D
grounding
*4
*3
*3
Handle the power supply circuit correctly in accordance with Chapter 9 "Preparation for Wiring and Power
Supply Wiring Procedures."
For an input device having a parallel resistance or a two-wire proximity switch, a bleeder resistance may be
required.
In the case of source input wiring, short-circuit the terminals of the input/output powered extension units as well
as the S/S terminal and the terminal of the main unit.
Do not connect with 0V and 24V terminals.
Sink and source input type