Installation Of Main Unit; Installation Of Input/Output Powered Extension Unit/Block And Special Function Unit/Block - Mitsubishi FX3U-?*MR/ES User Manual

Fx3u series programmable controllers
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FX
Series Programmable Controllers
3U
User's Manual - Hardware Edition
8.6.3

Installation of main unit

Mount the expansion board and special adapters on the main unit before installing the unit in the enclosure.
1
Make mounting holes in the mounting sur-
face according to the external dimensions
diagram.
2
Fit the main unit (A in the right figure)
based on the holes, and secure it with M4
screws (B in the right figure).
The positions and number of screws depend on the
product. Refer to the external dimensions diagram.
→ For the external dimensions, refer to Section 4.6.
8.6.4
Installation of input/output powered extension unit/block and special function unit/
block
1
Make mounting holes in the mounting sur-
face according to the external dimensions
diagram
2
Push in the DIN rail mounting hook (A in
the right figure) of the input/output exten-
sion block.
If the DIN rail mounting hook is not pushed in, the
screw hole is covered, and the block cannot be
mounted.
For input/output powered extension units, 8-point type
input/output extension blocks (except for the FX
8EYR-S-ES/UL) and special extension units/blocks,
this operation is unnecessary.
3
Fit the input/output extension block (B in
the right figure) based on the holes, and
secure it with M4 screws (C in the right fig-
ure).
The positions and number of screws depend on the
product. Refer to the external dimensions diagram.
→ For the external dimensions of the input/output
powered extension unit, refer to Chapter 15.
→ For the external dimensions of the input/output
→ For the external dimensions of the special function
→ For the connection procedure, refer to Subsection 8.7.2, 8.7.3, and 9.5.2.
extension block, see Chapter 16.
units/blocks, see Chapter 18.
8.6 Procedures for Installing Directly (with M4 Screws)
B
A
Rear panel
2
-
2N
F X
F X
F X
F X
3 U
3 U
3 U
3 U
- 4 8
- 4 8
M
M
IN
0
1
1 0
2
3
1 1
1 2
4
1 3
5
6
1 4
1 5
7
1 6
1 7
O U
T
0
1
1 0
2
1 1
3
4
1 2
1 3
5
1 4
6
7
1 5
1 6
1 7
C
8 Installation In Enclosure
B
Rear panel
A
2 0
2 1
2 2
2 3
2 4
2 5
2 6
P O
2 7
P O
W E
W E
R
R
R U
R U
N
N
B A
B A
T T
T T
E R
R O
E R
2 0
R O
R
2 1
R
2 2
2 3
2 4
2 5
2 6
2 7
B
C
159
1
2
3
4
5
6
7
8
9
10

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