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FX3S Series Programmable Controllers
User's Manual - Hardware Edition
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Installation
8
Preparation and
Power Supply
Wiring
9
Input Wiring
10
High-Speed
Counters
4 Specifications, External Dimensions and Terminal Layout (Main Units)
4.3 Input Specifications
4.3 Input Specifications
The input specifications for the main unit are explained below.
For the specifications of the built-in analog input, refer to Chapter 11.
4.3.1 24 V DC Input (sink/source)
For details on sink input and source input, refer to Subsection 9.1.1.
*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.
Item
Specification
FX3S-10M FX3S-14M FX3S-20M FX3S-30M
Number of input points 6 points 8 points 12 points 16 points
Input connecting type Fixed terminal block (M3 screw)
Input form Sink/Source
Input signal voltage
AC power type: 24 V DC ±10 %
DC power type: 20.4 to 26.4 V DC
Input impedance
X000 to X007 3.3 k
X010 to X017 - 4.3 k
Input signal
current
X000 to X007 7 mA/24 V DC
X010 to X017 - 5 mA/24 V DC
ON input
sensitivity current
X000 to X007 4.5 mA or more
X010 to X017 - 3.5 mA or more
OFF input sensitivity current 1.5 mA or less
Input response time Approx. 10 ms
Input signal form
Sink input
No-voltage contact input
NPN open collector transistor
Source input
No-voltage contact input
PNP open collector transistor
Input circuit insulation Photocoupler insulation
Input operation display LED on panel lights when photocoupler is driven.
Input circuit configuration
• AC power type
Sink input wiring
• DC power type
Sink input wiring
Source input wiring
Source input wiring
24V
N
L
X
S/S
0V
Fuse
*1
*2
*2
100 to 240 V AC
X
S/S
Fuse
*1
24 V DC
24V
N
L
X
S/S
0V
100 to 240 V AC
Fuse
*1
*2
*2
X
S/S
Fuse
*1
24 V DC