Removal Of Main Unit - Mitsubishi FX3G SERIES User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
8.4.4

Removal of main unit

1
Open the terminal block cover, and remove the
lower terminal block cover (A in the right figure).
2
Gradually loosen the left and right terminal block
mounting screws (B in the right figure), and
remove the terminal blocks.
→ For anchoring of the terminal block, refer to Subsection 9.1.2.
3
Disconnect the extension cables and the con-
necting cables (including expansion board and
special adapters).
4
Insert the tip of a flathead screwdriver into the
hole of the DIN rail mounting hook (C in the right
figure).
• This step also applies for the DIN rail mounting hooks of the special
adapters.
5
Move the flathead screwdriver as shown in the
right figure to draw out the DIN rail mounting
hooks of all devices.
6
Remove the product from the DIN rail (D in the
right figure).
7
Push in the DIN rail mounting hooks (E in the
right figure).
• For input/output powered extension units, 8-point type input/output
extension blocks and special function blocks, this operation is
unnecessary.
92
8.4 Procedures for Installing on and Detaching from DIN Rail
A
D
C
8 Installation In Enclosure
6
5
4
7 7
E
B
B