FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
157
8 Installation In Enclosure
8.6 Procedures for Installing Directly (with M4 Screws)
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
4. Input/output extension block (F or G)
5. Special function unit/block (H, I, J or K)
Unit: mm (inches)
Model name
Mounting hole 
pitch (W)
F
FX2N-8ER-ES/UL
FX2N-8ER
FX2N-8EX-ES/UL
FX2N-8EX
FX2N-8EX-UA1/UL
FX2N-8EYR-ES/UL
FX2N-8EYT-ESS/UL
FX2N-8EYR
FX2N-8EYT
FX2N-8EYT-H
39 (1.54")
G
FX2N-8EYR-S-ES/UL
FX2N-16EX-ES/UL
FX2N-16EX
FX2N-16EX-C
FX2N-16EXL-C
FX2N-16EYR-ES/UL
FX2N-16EYR
FX
2N
-16EYT-ESS/UL
FX2N-16EYT
FX2N-16EYT-C
FX2N-16EYS
Refer to the 
figure shown left.
Unit: mm (inches)
Model name
Mounting hole 
pitch(W)
H
FX0N-3A
FX2N-2AD
FX2N-2DA
FX2N-1PG
FX2N-1PG-E
FX2N-10PG
FX2N-64CL-M
FX2N-32CCL
FX2N-16LNK-M
39 (1.54")
FX3U-4AD
FX3U-4DA
FX3U-2HC
FX3U-20SSC-H
FX3U-16CCL-M
FX3U-64CCL
FX3U-1PSU-5V
FX2N-4AD
FX2N-4DA
FX2N-4AD-PT
FX2N-4AD-TC
FX2N-5A
FX2N-2LC
FX2N-1HC
FX2N-1RM-SET
FX2N-1RM-E-SET
FX2N-232IF
FX2N-32ASI-M
51 (2.01")
IFX2N-16CCL-M
Refer to the 
figure shown left.
J
FX2N-8AD 67 (2’64")
FX2N-20PSU 52 (2’05")
KFX3U-4LC
Refer to the 
figure shown left.
−
FX2N-10GM
FX2N-20GM
These units can-
not be installed 
directly.
4
(0.16")
W
80 (3.15")
F
90 (3.55")
G
20
(0.87")
20
(0.87")
80 (3.15")
90 (3.55")
J
98 (3.86")
4
(0.16")
4
(0.16")
W
105 (4.14")
K
82
(3.23")
4
(0.16")
4
(0.16")
82 (3.23")
90 (3.55")
4
(0.16")
W
80 (3.15")
H
90 (3.55")
I
75
(2.96")
4
(0.16")
4
(0.16")
80 (3.15")
90 (3.55")