21
3
(3) Loosen the terminal screw and insert the cable into the terminal according to the terminal assignment.
Tighten each cable with fixing screws to the recommended tightening torque.
NOTE
• Undertightening can cause cable disconnection or malfunction. Overtightening can cause a
short circuit or malfunction due to damage to the screw or unit.
(4) Connect the terminal block to the connector for communication of the communication option
mounted on the inverter.
NOTE
• When wiring cables to the inverter's RS-485 terminals with a plug-in option mounted, take caution not to let the cables
touch the circuit board of the option or of the inverter. Otherwise, electromagnetic noises may cause malfunctions.
Screw size
Tightening torque
Cable size
Screwdriver
M3
0.5 N
·
m to 0.6 N
·
m
0.3 mm
2
to 0.75 mm
2
Small flat-blade
screwdriver
(Tip thickness: 0.4 mm/ tip width: 2.5 mm)
Caution
After wiring, wire offcuts must not be left in the inverter. They may cause an error, failure or malfunction.
V- C-
C+ V+
Terminal layout
(Black)
(Blue)
(White)
(Red)
Shielded cable