Terminal Board (M3, M3.5; Terminal Block Screw Size And Tightening Torque; Termination - Mitsubishi Electric Melsec-F FX3GC Series User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
Built-in Positioning Functions
3.1

Terminal Board (M3, M3.5)

A terminal board is used for the FX
(excluding some types), and FX
3.1.1

Terminal block screw size and tightening torque

The terminal screw size of each product is shown in the following table. For details on the crimp-style
terminals, refer to Subsection 3.1.2.
FX /FX /FX Series main unit, FX
3S 3G 3U
extension unit, FX
FX Series terminal block
3.1.2

Termination

The solderless terminal size depends on the terminal screw size and wiring method.
- Use solderless terminals of the following size.
- Tighten the terminals to a torque of 0.5 to 0.8 N
Do not tighten terminal screws with a torque outside the above-mentioned range. Failure to do so may
cause equipment failures of malfunctions.
1. In the case of M3 terminal screw
• 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
2. In the case of M3.5 terminal screw
• When one wire is connected to one terminal
6.8mm(0.27")
or less
6.8mm(0.27")
or less
PLC User's Manual - Positioning Control Edition
/FX
3S 3G
Series input/output extension block.
0N
Product
Series input/output powered
2N
/FX Series input/output extension block
0N 2N
3.2(0.13")
3.2(0.13")
3.2(0.13")
6.3mm(0.25")
or more
3.2(0.13")
6.3mm(0.25")
or more
3.7(0.15")
3.7(0.15")
3 Connection of Input/Output Lines and Tightening Torques
/FX Series main unit, FX
3U
Terminal screw
m.

Terminal
screw
Terminal Terminal
Terminal
screw
Terminal
Terminal
screw
Terminal Terminal
3.1 Terminal Board (M3, M3.5)
Series input/output extension unit
2N
Tightening torque
M3
0.5 to 0.8 N
M3.5
Crimp
terminal
Crimp
terminal
Crimp
terminal
A
B
Apx.
m

B - 43