Examples Of External Wiring (Sink Input) [Dc Power Supply Type] - Mitsubishi FX3U SERIES User Manual

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

10.2.6 Examples of external wiring (sink 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
174
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)
Class D
grounding
*3
S/S
(0V)
*4
(24V)
X0
X1
Input
terminal
S/S
X0
*2
X1
Input
terminal
Class D
*3
grounding
S/S
0V
*4
24V
X0
X1
*1 Handle the power supply circuit
correctly in accordance with
Input
Chapter 9 "Preparation for Wiring
terminal
and Power Supply Wiring
Procedures."
S/S
*2 For an input device having a
X0
parallel resistance or a two-wire
proximity switch, a bleeder
resistance may be required.
X1
Input
*3 In the case of sink input wiring,
terminal
short-circuit the terminals of the
extension units as well as the S/S
24+ terminal and the
the main unit.
24-
*4 Do not connect with (0V) and
Class D
(24V) terminals.
grounding
Fuse *1
Three-
wire
sensor
Two-wire
proximity
sensor
terminal of