Mitsubishi FX3U Series User Manual

FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
182
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
10.5 Pulse Catch (M8170 to M8177)
10.5.3 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 pulse catch (M8170) 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

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English