Справочник Пользователя для Mitsubishi Electronics FX3S-30MT/ES-2AD
9 Input Wiring Procedures
9.2 24 V DC input (Sink and source input type)
80
FX
3S
Series Programmable Controllers
User's Manual - Hardware Edition
9.2.3
Examples of external wiring [AC power type]
1. Sink input
2. Source input
*1.
Handle the power supply circuit correctly in accordance with Chapter 8 "Preparation for Wiring and
Power Supply Wiring Procedures."
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.
may be required.
*3.
In the case of sink input wiring, short-circuit the [S/S] terminal and the [24V] terminal of the main unit.
In the case of source input wiring, short-circuit the [S/S] terminal and the [0V] terminal of the main unit.
In the case of source input wiring, short-circuit the [S/S] terminal and the [0V] terminal of the main unit.
*4.
The "0V" and "24V" terminals are located on the output terminal side.
For details on the terminal layout, refer to Section 4.7.
For details on the terminal layout, refer to Section 4.7.
X0
S/S
0V
24V
N
L
X2
X1
Main unit
Fuse
Class D
grounding
Input
impedance
Input
terminal
Three-wire
sensor
*1
*3
*2
Two-wire
proximity sensor
*4
*4
0 V
24 V
Main unit
Fuse
Class D
grounding
Input
impedance
Input
terminal
Three-wire
sensor
*1
*3
*2
Two-wire
proximity sensor
*4
*4
0 V
24 V
X0
S/S
0V
24V
N
L
X2
X1