Examples Of External Wiring - Mitsubishi FX3U-?*MR/ES User Manual

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

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
Sink wiring
L
Class D grounding *
N
S/S
0V
24V
X000
2) When 24V DC external power supply is used
Sink wiring
L
Class D grounding *
N
S/S
0V
24V
X000
Fuse
1.5
kΩ
Three-wire
Fuse
1.5
kΩ
Three-wire
10 Input Wiring Procedures (Input Interruption and Pulse Catch)
Source wiring
L
Class D grounding *
N
S/S
0V
24V
1.5
kΩ
X000
* The grounding resistance should be 100Ω or less.
Source wiring
L
Class D grounding *
N
24V DC
S/S
0V
24V 1.5
kΩ
X000
* The grounding resistance should be 100Ω or less.
10.5 Pulse Catch (M8170 to M8177)
Fuse
Three-
wire
Fuse
24V DC
Three-
1
2
3
4
5
6
7
wire
8
9
10
205