Справочник Пользователя для Mitsubishi Electronics FX3S-30MT/ESS-2AD
9 Input Wiring Procedures
9.2 24 V DC input (Sink and source input type)
81
FX
3S
Series Programmable Controllers
User's Manual - Hardware Edition
1
Introduc
tion
2
Features an
d
Par
t N
t N
am
es
3
Produc
t
Introducti
on
4
Sp
ec
ific
atio
ns
5
Ve
rsi
on and
Peri
pheral
pheral
De
vice
s
6
Sy
stem
Confi
gurati
on
7
In
st
alla
tio
n
8
Prep
ara
tion and
Pow
er Supply
Wi
ring
9
Input W
iri
ng
10
Hi
gh
-S
peed
Counters
9.2.4
Examples of external wiring [DC 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 [+] terminal of the main unit.
In the case of source input wiring, short-circuit the [S/S] terminal and the [-] terminal of the main unit.
In the case of source input wiring, short-circuit the [S/S] terminal and the [-] terminal of the main unit.
*4.
Do not connect with vacant terminal.
X0
S/S
•
•
•
X2
X1
Main unit
Fuse
Class D
grounding
Input
impedance
Input
terminal
Three-wire
sensor
*1
*3
*2
Two-wire
proximity sensor
*4
Main unit
Fuse
Class D
grounding
Input
impedance
Input
terminal
Three-wire
sensor
*1
*3
*2
Two-wire
proximity sensor
X0
S/S
•
•
•
X2
X1
*4