FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
198
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.2 24V DC Input Type (Common to Sink/Source Input)
10.2.7 Example of external wiring (source input) [DC Power Supply Type]
X0
S/S
(0V)
(24V)
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
24+
Special function block
Fuse
5V 0V 24V
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 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 terminal of
*4 Do not connect with (0V) and (24V) terminals.
Sink and
source
input type
Sink and source input type
Class D
grounding
*4
*4
*3
24-
the main unit.
Summary of Contents for FX2-16E series
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Page 8: ... 6 Safety Precautions Read these precautions before use MEMO ...
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