FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
185
9 Preparation for Wiring and Power Supply Wiring Procedures
9.7 Examples of External Wiring [AC Power Supply/AC Input Type]
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Input/Output
Nos., Unit Nos.
8
Installation
9
Preparation and
Power Supply
Wiring
10
Input Wiring
9.7 Examples of External Wiring [AC Power Supply/AC Input Type]
9.7.1 Example of AC input wiring
PL
Power supply ON
Emergency
stop
MC
MC
MC MC
DC
power
supply
Power supply for loads to
be connected to PLC
output terminals
As for details on emergency
stop operation, see "DESIGN
PRECAUTIONS" at "Safety
Precautions" field.
DC AC
AC power supply of
100 to 240V
*3
Breaker
L
N
Main unit
Input extension
FX
2N
-8EX-UA1/UL
FX
2N
-8EX-UA1/UL
block
COM
*1
5V 0V 24V
5V 0V 24V
L
N
*1
*2
*2
Input/output powered extension unit
5V 0V 24V
5V 0V 24V
Input extension
block
Class D
grounding
COM
100V
AC
input
type
COM
COM
*1 Connect the AC power supply to the L and N terminals (in any case of 100V AC system and 200V AC system).
Make sure that the power is turned ON at the same time in the main unit and extension units or earlier in
extension units than the main unit.
As for details, see "WIRING PRECAUTIONS" at "Safety Precautions" field.
*3
The input specification is 100V to 120V AC even though the power supply voltage specification of main unit and input/output
extension unit is 100V to 240V AC.
Do not connect with [
·
] terminal.*2
Input
terminal
Fuse
Fuse
Fuse
Fuse
AC power supply
of 100 to 120V
*3
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