Mitsubishi Electric MELSEC FX Series - Caution on Cable Selection; Fx 1 N -485-Bd, Fx 2 N -485-Bd, Fx 2 Nc -485 Adp; Fx 0 N -485 Adp; Fx -40 Aw

FX communication
Wiring 3
3-2
3.1 Caution on cable selection
3.1.1 FX
1N
-485-BD, FX
2N
-485-BD, FX
2NC
-485ADP
Number of cables connected to terminal and their specification
3.1.2 FX
0N
-485ADP
3.1.3 FX
2
-40AW
1 ) The terminal screws for the terminal block of the FX
2
-40AW are M3.5 screws, therefore crimp
style terminal (see drawing) suitable for use with these screws should be fitted to the cable
for wiring.
2 ) The terminal tightening torque is 0.5 to 0.8 N
⋅
m (5 to 8 kgf
⋅
cm), tighten securely to avoid
malfunction.
FX
1N
-485-BD, FX
2N
-485-BD FX
2NC
-485ADP
When connecting 1 cable
AWG26-16
AWG26-16
When connecting 2 cables AWG26-20
Tightening torque 0.6N
%
m 0.4 to 0.5N
%
m
6mm(0.23")
FX
1N
-485-BD,FX
2N
-485-BD
8mm(0.32")
FX
2NC
-485ADP
To connect the RS-485(RS-422) unit, use a shielded twist-pair cable. The cable model must be
AWG 26 to 16, and the maximum tightening torque must be 0.6 N
%
m (6 kgf
%
cm). If a cable other
than the AWG 26 to 16 is used, normal communication cannot be assured as the terminal may
be imperfectly contacted. It is recommended to insert a cable integrated by a crimping tool into
the terminal.
For M3
6.2mm
(0.24 inches)
or less
6.2mm
(0.24 inches)
or less
For M3
1 ) The terminal screws of the FX
(0N)
-485ADP are M3 screws, therefore, crimp style terminal
(see drawing) suitable for use with these screws should be fitted to the cable for wiring.
2 ) The terminal tightening torque is 0.5 to 0.8 N
⋅
m (5 to 8 kgf
⋅
cm), tighten securely to avoid
malfunction.
For M3.5
6.8mm
(0.27 inches)
or less
6.8mm
(0.27 inches)
or less
For M3.5