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9 Input Wiring Procedures
9.4 Pulse Catch (M8170 to M8175)
85
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
9.4.3 Examples of external wiring
It is recommended to use shielded twisted-pair cables for connection 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 24 V DC service power supply is used
2) When 24 V DC external power supply is used
*1. The grounding resistance should be 100 or less.
Sink wiring Source wiring
S/S
24V
Class D grounding
*1
Fuse
0V
X000
Three-wire
L
N
S/S
24V
Class D grounding
*1
Fuse
0V
X000
Three-wire
L
N
24 V DC
Sink wiring Source wiring
S/S
24V
Class D grounding
*1
Fuse
0V
X000
Three-wire
L
N
S/S
24V
Class D grounding
*1
Fuse
0V
X000
Three-wire
L
N
24 V DC