Mitsubishi FX3U Series User Manual

FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
172
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.2 24V DC Input Type (Common to Sink/Source Input)
X0
S/S
0V
24V
Main unit
N
L
X1
X0
24+
X1
Input extension block
X0
COM
24+
Input / output powered extension unit
N
L
X1
X0
24+
X1
Input extension block
5V 0V 24V
5V 0V 24V
24-
24+
Special function block
Fuse
5V 0V 24V
5V 0V 24V
5V 0V 24V
Class D
grounding
Input
impedance
Input
terminal
Three-
wire
sensor
*1
*2
24V0V
Two-wire
proximity
sensor
24V0V
Class D
grounding
Class D
g
roundin
g
Sink and source
input type
Sink input type
*3
Use of input/output extension units/blocks of sink input type
*1 Handle the power supply circuit
correctly in accordance with
Chapter 9 "Preparation for Wiring
and 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.
*3 In the case of sink input wiring,
short-circuit the S/S terminal and
the 24V terminal of the main unit.
Input
terminal
Input
terminal
Input
terminal

Mitsubishi FX3U Series Specifications

General

Model	FX3U Series
Program Memory	64k steps
Execution Speed	0.065 μs/basic instruction
Type	PLC (Programmable Logic Controller)
Power Supply	100-240V AC
I/O Points	Up to 384
Communication	USB
Expansion	Supported via expansion modules
High-Speed Counters	Up to 6 channels
Analog Input/Output	Available via expansion modules
Temperature Range	0 to 55°C
Programming Language	Ladder Logic, Structured Text
Built-in Functions	PID control
Humidity	5 to 95% (non-condensing)