Example Of Mounting Hole Pitches; Installation Of Main Unit; Connecting Methods For Main Unit And Extension Devices; Connection Of Extension Devices - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
7.4.2

Example of mounting hole pitches

The figure below shows an example when the FX
used.
15.1 18.6
(0.6˝) (0.74˝) 92 (3.63˝)
FX
3S
7.4.3

Installation of main unit

Mount the special adapters and connector conversion adapter (FX
installing the unit in the enclosure.
Installation procedure
1
Make mounting holes in the mounting surface
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 of screws, refer to Subsection 7.4.1.
7.5

Connecting Methods for Main Unit and Extension Devices

This section explains the connecting methods for extension devices.
7.5.1

Connection of extension devices

This subsection explains the method for connecting the main unit, expansion board, connector conversion
adapter and special adapters using the connection configuration example shown below.
Example of configuration
Special
adapter
Connecting
method C
58
Unit: mm (inches)
-30MT/ES
→ For the connection procedure, refer to Subsection 7.5.3 and Subsection 7.5.4.
Connector
conversion Expansion
adapter board
FX Series
3S
main unit
Connecting Connecting
method B method A
7.5 Connecting Methods for Main Unit and Extension Devices
-30MT/ES, FX -CNV-ADP and FX
3S 3S
3S
→ For the connection method A, refer to Subsection 7.5.2.
→ For the connection method B, refer to Subsection 7.5.3.
→ For the connection method C, refer to Subsection 7.5.4.
7 Installation In Enclosure
-232ADP(-MB) are
3U
-CNV-ADP) on the main unit before
B
A
B