Input Specifications; Dc Input (Sink/Source) - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
4.3

Input Specifications

The input specifications for the main unit are explained below.
4.3.1 24 V DC Input (sink/source)
Item
Number of input points
Input connecting type
Input form
Input signal voltage
Input impedance
Input signal
current
ON input
sensitivity current
OFF input sensitivity current
Input response time
Input signal form
(Input sensor form)
Input circuit insulation
Input operation display
Input circuit configuration
*1. Input impedance.
*2. The "24V" and "0V" terminals are located on the output terminal side.
For details on the terminal layout, refer to Section 4.7.
4 Specifications, External Dimensions and Terminal Layout (Main Units)
→ For the specifications of the built-in analog input, refer to Chapter 11.
→ For details on sink input and source input, refer to Subsection 9.1.1.
FX 3S -10M
6 points
X000 to X007
X010 to X017
X000 to X007
X010 to X017
X000 to X007
X010 to X017
Sink input
Source input
• AC power type
Sink input wiring
• DC power type
Sink input wiring
Specification
FX 3S -14M
8 points
Fixed terminal block (M3 screw)
Sink/Source
AC power type: 24 V DC ±10 %
DC power type: 20.4-26.4 V DC
3.3 kΩ
-
7 mA/24 V DC
-
4.5 mA or more
-
1.5 mA or less
Approx. 10 ms
No-voltage contact input
NPN open collector transistor
No-voltage contact input
PNP open collector transistor
Photocoupler insulation
LED on panel lights when photocoupler is driven.
Source input wiring
Fuse
L
N
*2 100 to 240 V AC
24V
*2
0V
S/S
*1
X
Source input wiring
Fuse
24 V DC
S/S
*1
X
4.3 Input Specifications
FX 3S -20M FX 3S -30M
12 points 16 points
4.3 kΩ
5 mA/24 V DC
3.5 mA or more
Fuse
L
N
*2 100 to 240 V AC
24V
*2
0V
S/S
*1
X
Fuse
24 V DC
S/S
*1
X
1
2
3
4
5
6
7
8
9
10
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