B-12
3 Wiring
3.2 Cable and Terminal Tightening Torque
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX3U-4AD/FX3UC-4AD (4-channel Analog Input)
3.2 Cable and Terminal Tightening Torque
3.2.1 Power cable (FX3UC-4AD)
The power crossover cable (type "C" shown in the following table) is supplied with the FX3UC-4AD.
To connect the power cable, refer to the User's Manual - Hardware Edition of the PLC main unit.
There are 3 types of power cables as shown in the following table. Types "A" and "B" are supplied with the
main unit, and type "C" is supplied with the input extension blocks or the special function blocks for FX3UC
Series.
The crossover cable (type "C") can skip up to 4 16-point output blocks to connect units.
If more blocks should be skipped to supply power to an input block, use cable type "B".
<Self-made power cable>
To use self-made power cables, use the following wire rods and connectors:
Supply the 24V DC power to FX3UC-4AD via the power supply connector.
3.2.2 Cable (FX3U-4AD)
The FX3U-4AD terminal block is designed for M3 screws.
The end disposal of the cable shows blow.
Tighten the terminal to a torque of 0.5 N•m to 0.8 N•m.
• When one wire is connected to one terminal
• When two wires are connected to one terminal
Type Application Model Length Cable supplied with
A Power cable for main unit FX2NC-100MPCB 1m
(3’ 3") FX3UC Series PLC main unit
BInput power cable for input
extension block FX2NC-100BPCB 1m
(3’ 3")
CInput power crossover cable for
input extension block FX2NC-10BPCB1 0.1m
(0’ 3")
• Input extension block for FX2NC
Series
• Special function block for FX3UC/
FX2NC Series
Specifications/model
Wire size AWG24 (0.2mm2)
Crimp-style terminal 1602-0069 (manufactured by Molex Japan Co., Ltd.)
Housing For main unit 51030-0330 (manufactured by Molex Japan Co., Ltd.)
For input extension block 51030-0230 (manufactured by Molex Japan Co., Ltd.)
TerminalTerminal
Terminal
screw
Crimp
terminal
6.2mm(0.24")
or less
3.2(0.13")
6.2mm(0.24")
or less
3.2(0.13")
Terminal
screw
Crimp
terminal
Terminal
6.2mm(0.24")
or less
3.2(0.13")
6.3mm(0.25")
or more
6.2mm(0.24")
or less
3.2(0.13")
6.3mm(0.25")
or more