Connecting
16
3. Grounding
Ground using the Protective Earth Terminals of the motor and driver, as well as the ground terminal of the connection cable.
Note
Be sure to ground the product. Failure to do so may result in electric shock or damage to the product.
Static electricity may cause damage to the product if the Protective Earth Terminals are not grounded.
Two Protective Earth Terminals
are provided on the driver. Be sure to ground one of the Protective Earth Terminals.
Do not share the Protective Earth Terminal with a welder or any other power equipment.
Connect the ground terminal of the connection cable to the other terminal.
Connection
cable
Motor
Grounding
Protective Earth Terminal
However, the grounding resistance value provided
in the standards applied to the equipment may not
be satised depending on the type or length of the
connection cable.
In this case, ground near the motor using the Protective
Earth Terminal
on the motor.
If the ground terminal of the connection cable is not
used, be sure to insulate.
Reference
Protective earth wire of the connection cable
Conductor size: AWG18 (0.75 mm
2
)
Maximum conductor resistance: 25.0
Ω
/km
Ground terminal
•
Applicable crimp terminal: Round crimp terminal with insulation cover
•
Terminal screw size: M4
•
Tightening torque: 1.2 N·m (10.6 lb-in)
•
Applicable lead wire: AWG18 to 14 (0.75 to 2.0 mm
2
)
4.8 (0.19) or less
9.5 (0.37) or less
Ø4.1 (0.16) or more
[Unit: mm (in.)]
Precautions about static electricity
Static electricity may cause the driver to malfunction or suer damage.
Be sure to ground the motor and driver to prevent them from being damaged by static electricity.
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