Mitsubishi FX3U Series User Manual

FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
180
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.4 Input Interruption (I00  to I50  ) - With Delay Function
10.4.4 Examples of external wiring
Use shielded twisted-pair cables for connecting cables.
Ground the shield of each shielded cable only on the PLC side.
1. Examples of input interruption (I000 or I001) wiring using X000
When another input terminal is used, wire it according to the following diagrams.
1) When 24V DC service power supply is used
2) When 24V DC external power supply is used
S/S
L
N
24V
Class D grounding *
Fuse
Sink wiring
0V
X000
Three-wire
1.5
k
Ω
S/S
L
N
24V
Fuse
Source wiring
0V
X000
Three-
wire
1.5
k
Ω
* The grounding resistance should be 100 Ω or less.
Class D grounding *
S/S
L
N
24V
Fuse
24V DC
Sink wiring
0V
X000
1.5
k
Ω
S/S
L
N
24V
Fuse
24V DC
Source wiring
0V
X000
Three-
wire
1.5
k
Ω
Three-wire
* The grounding resistance should be 100
Ω or less.
Class D grounding * Class D grounding *

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)