Mitsubishi FX3U Series User Manual

FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
150
9 Preparation for Wiring and Power Supply Wiring Procedures
9.2 Cable Connecting Procedures
9.2 Cable Connecting Procedures
For cable connection, a terminal block or a connector is used. The cable connecting procedures are
explained below.
9.2.1 Input/output terminal block (power supply and input/output wiring)
For the main unit, FX2N Series input/output powered extension units/blocks and FX0N/FX2N/FX3U Series
special function units/blocks, an M3 or M3.5 screw terminal block is used.
1. Applicable products
2. Terminal block screw size
The size of the terminal screws for each product is shown below. For the solderless terminals, refer to the
following page.
*1. M3.5 screws may be used for terminals.
For details, refer to the manual for each special extension device.
WIRING PRECAUTIONS
• Cut off all phases of the power source externally before installation or wiring work in order to avoid electric shock
or damage of product.
• Make sure to attach the terminal cover offered as an accessory to the product before turning on the power or
starting the operation after installation or wiring work.
Failure to do so may cause electric shock.
WIRING PRECAUTIONS
• Perform wiring properly to the FX0N/FX2N/FX3U Series extension equipment of the terminal block type in
accordance with the following precautions.
Failure to do so may cause electric shock, short-circuit, wire breakage, or damages to the product.
- The disposal size of the cable end should follow the dimensions described in this manual.
- Tightening torque should be between 0.5 to 0.8 N
•
m.
• Properly perform wiring to the FX Series terminal blocks following the precautions below in order to prevent
electrical shock, short-circuit, breakage of wire, or damage to the product:
- The disposal size of the cable end should follow the dimensions described in this manual.
- Tightening torque should be between 0.5 to 0.8 N
•
m.
Product type Model name
Main unit All models of FX
3U Series main units
Input/output powered extension unit All models of FX
2N Series input/output powered extension units
Input/output extension block
All models of FX
2N Series input/output extension blocks
(except FX
2N-16EX-C, FX2N-16EXL-C and FX2N-16EYT-C)
Extension power supply unit FX
3U-1PSU-5V
Special function unit/block Refer to the manual for each special function unit/block.
FX Series terminal block All models
Power supply unit FX
2N-20PSU
Product Terminal screw Tightening torque
Main unit
FX
3U Series special function block
FX
2N Series input/output powered extension units
FX
2N Series input/output extension blocks
FX
2N Series special function unit/block
*1
M3
0.5 to 0.8N•m
FX Series terminal block M3.5

Mitsubishi FX3U Series Specifications

General

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English