Input/Output Terminal Blocks [Fx 0N /Fx 2N /Fx 3U Extension Blocks]; Precautions - Mitsubishi FX3UC SERIES User Manual

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
3.11.3 Input/Output Terminal Blocks [FX
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, before turning on the power or initiating operation
after installation or wiring work.
Failure to do so may cause electric shock.
• Make sure to properly wire the FX

precautions.

Failure to do so may cause electric shock, a short-circuit, wire breakage, 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 and 0.8 N
• 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, a short-circuit, wire breakage, 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 and 0.8 N
1. Terminal block screw size
The table below shows the screw size of each terminal block. For crimp terminals, refer to "2. Wire end
treatment".
FX extension blocks, FX
0N
FX -8AD, FX
2N 2N
FX Series terminal block, FX
FX -16CCL-M signal terminal
2N
2. Wire end treatment
The solderless terminal size depends on the terminal screw size and wiring method.
Use solderless terminals of the following size.
In case of the FX
• When one wire is connected to one terminal
6.2mm(0.24")
or less
6.2mm(0.24")
or less
• When two wires are connected to one terminal
6.2mm(0.24")
or less
6.2mm(0.24")
or less
126
/FX
0N
Product
extension blocks (Except FX
2N
-16CCL-M signal terminal), FX
-20PSU, FX
2N 2N
/FX /FX extension blocks (M3 screw)
0N 2N 3U
φ 3.2(0.13")
φ 3.2(0.13")
φ 3.2(0.13")
6.3mm(0.25")
or more
φ 3.2(0.13")
6.3mm(0.25")
or more
/FX /FX Extension blocks]
0N 2N 3U
/FX Series extension equipment in accordance with the following
2N 3U
m.
•
m.
•
20PSU,
2N-
extension blocks
3U
-8AD,
Terminal
screw
Terminal Terminal
Terminal
screw
Terminal
3 Generic Specifications/Installation Work
3.11 Connection to Input/Output Connector
Tightening
Terminal screw
M3
0.5 to 0.8N•m
M3.5
Crimp
terminal
Crimp
terminal
torque