Terminal Board (M3, M3.5; Terminal Block Screw Size And Tightening Torque; Termination - Mitsubishi Electric FX3S Series User Manual

FX /FX /FX
3S 3G 3GC
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
3S
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")
6.2mm(0.24")
• When two wires are connected to one terminal
6.2mm(0.24")
6.2mm(0.24")
2. In the case of M3.5 terminal screw
• When one wire is connected to one terminal
6.8mm(0.27")
6.8mm(0.27")
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
0N
Product
/FX Series main unit, FX
3G 3U
/FX Series input/output extension block
0N 2N
3.2(0.13")
or less
3.2(0.13")
or less
3.2(0.13")
or less
6.3mm(0.25")
or more
3.2(0.13")
or less
6.3mm(0.25")
or more
3.7(0.15")
or less
3.7(0.15")
or less
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/FX /FX Series main unit, FX
3S 3G 3U
Series input/output extension block.
Series input/output powered
2N
m.

Terminal Terminal
Terminal
Terminal Terminal
3 Connection of Input/Output Lines and Tightening Torques
3.1 Terminal Board (M3, M3.5)
Series input/output extension unit
2N
Terminal screw Tightening torque
M3
M3.5
Terminal Crimp
screw terminal
Terminal Crimp
screw terminal
Terminal Crimp
screw terminal
A
B
Apx.
0.5 to 0.8 N m

B - 43