5 Installation
−27−
How to ground
The wire used to ground the motor and driver must be as thick and short to the
grounding point as possible so that no potential difference is generated. Choose a
large, thick and uniformly conductive surface for the grounding point.
• How to ground the motor
Connect the grounding wire along with a set
screw to the grounding point, using a crow
washer.
• How to ground the driver
Notes about installation and wiring
• Connect the motor and other peripheral control equipment directly to the
grounding point so as to prevent a potential difference from developing between
grounds.
• When relays or electromagnetic switches are used together with the system, use
mains filters and CR circuits to suppress surges generated by them.
• Keep cables as short as possible without coiling and bundling extra lengths.
• Separate the power source cables such as motor cable and power supply cable
from the signal cables, and wire them apart by around 100 to 200 mm (4 to 8 in.).
If a power source cable must cross over a signal cable, wire them at right angles.
Keep an appropriate distance between the AC input cable and output cable of the
mains filter.
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