Mitsubishi FX2-16E series, User Manual

Page: 177 / 520

FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
169
9 Preparation for Wiring and Power Supply Wiring Procedures
9.2 Cable Connecting Procedures
1
Introducti
on
2
Features
and
Par
t Names
3
Product Introduc
tion
4
Sp
eci
fic
ati
ons
5
V
ers
ion and
Peri
ph
er
al
D
evices
6
S
yst
em
C
onfi
guration
7
Input/Ou
tput
No
s., Un
it No
s.
8
Inst
allati
on
9
Prep
arati
on an
d
Pow
er Supp
ly
Wi
rin
g
10
Input W
iring
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, FX
2N
Series input/output powered extension units/blocks and FX
0N
/FX
2N
/FX
3U
Series
special function units/blocks, an M3 or M3.5 screw terminal block is used.
1. Applicable products
2. Terminal block screw size and tightening torque
The size of the terminal screws for each product is shown below. For the solderless terminals, refer to the
following page.
WIRING PRECAUTIONS
• Make sure to cut off all phases of the power supply externally before attempting installation or wiring work.
Failure to do so may cause electric shock or damage to the 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
• Make sure to properly wire the FX
3U
Series main unit and FX
0N
/FX
2N
/FX
3U
Series extension equipment in
accordance with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit, wire breakage, malfunctions, or
damage to the product.
- The disposal size of the cable end should follow the dimensions described in the manual.
- Tightening torque should follow the specifications in the manual.
• Make sure to properly wire to the FX Series terminal blocks in accordance with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit, wire breakage, malfunctions, or
damage to the product.
- The disposal size of the cable end should follow the dimensions described in the manual.
- Tightening torque should follow the specifications in the manual.
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 for the FX
2N
-16EX-C, FX
2N
-16EXL-C and FX
2N
-16EYT-C)
Extension power supply unit FX
3U
-1PSU-5V
Special function unit/block Refer to the manual for each product.
FX Series terminal block All models
Power supply unit FX
2N
-20PSU
Product Terminal screw Tightening torque
Main unit
FX
2N
Series input/output powered extension units
FX
2N
Series input/output extension blocks
M3
0.5 to 0.8N•m
FX Series terminal block M3.5
Special function unit/block Refer to the manual for each product.