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(4) Use an appropriate screwdriver to tighten the terminal screws.
Do not use a screwdriver that is too small, otherwise, the screw heads may be
damaged and prevent the screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
(6) See the table for the terminal screw tightening torques.
(7) Please do not fi x 2 power supply cables with 1 screw.
Screw with spe-
cial washer
Ring terminal
Cable
Terminal block
WARNING
Use ring terminals and tighten the terminal screws to the specified torques,
otherwise, abnormal overheating may be produced and possibly cause heavy
damage inside the unit.
Tightening torque
M4 screw
(Power supply / L, N, GND)
7.3.2. Transmission cable
Shielded cable
(no fi lm)
GOOD
Different diameter
WARNING
Tighten the terminal screws to the specified torques, otherwise, abnormal
overheating may be produced and possibly cause heavy damage inside the unit.
Tightening torque
M3 screw
(Transmission / X1, X2)
To peel the fi lm from the lead cable, use a dedicated tool that will not damage the
conductor cable.
When installing a screw on the terminal block, do not cut the cable by
overtightening the screw. On the other hand, an under tightened screw can cause
faulty contact, which will lead to a communication failure.
Ring terminal
Sleeve
Screw with
special washer
Ring
terminal
Cable
1.2 to 1.8 N·m
(12 to 18 kgf·cm)
PROHIBITED
Connect to 1 side
0.5 to 0.6 N·m
(5 to 6 kgf·cm)
CAUTION
En-8
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