‑9‑
Fundamental Safety Instructions
● Cover the top of the equipment with a piece of cloth or paper during installation. This is
to prevent unwanted objects such as metal chippings, oil, and water from falling into the
equipment and causing faults. After installation, remove the cloth or paper on the top of
the equipment to prevent over‑temperature caused by poor ventilation due to blocked
ventilation holes.
● Resonance may occur when the equipment operating at a constant speed executes
variable speed operations. In this case, install the vibration‑proof rubber under the
motor frame or use the vibration suppression function to reduce resonance.
Wiring
● Equipment installation, wiring, maintenance, inspection, or parts replacement must be
performed only by professionals.
● Before wiring, cut off all the power supplies of the equipment. and wait for at least the
time designated on the equipment warning label before further operations because
residual voltage still exists after power‑off. After waiting for the designated time,
measure the DC voltage in the main circuit to ensure the DC voltage is within the safe
voltage range. Failure to comply will result in an electric shock.
● Do not perform wiring, remove the equipment cover, or touch the circuit board with
power ON. Failure to comply will result in an electric shock.
● Check that the equipment is grounded properly. Failure to comply can result in electric
shock.
● Do not connect the input power supply to the output end of the equipment. Failure to
comply can result in equipment damage or even a fire.
● When connecting a drive to the motor, check that the phase sequences of the drive and
motor terminals are consistent to prevent reverse motor rotation.
● Cables used for wiring must meet cross sectional area and shielding requirements. The
shield of the cable must be reliably grounded at one end.
● Fix the terminal screws with the tightening torque specified in the user guide. Improper
tightening torque may overheat or damage the connecting part, resulting in a fire.
● After wiring is done, check that all cables are connected properly and no screws,
washers or exposed cables are left inside the equipment. Failure to comply may result in
an electric shock or equipment damage.
● Follow the proper electrostatic discharge (ESD) procedure and wear an anti‑static wrist
strap to perform wiring. Failure to comply may result in damage to the equipment or to
the internal circuit of the product.
● Use shielded twisted pairs for the control circuit. Connect the shield to the grounding
terminal of the equipment for grounding purpose. Failure to comply will result in
equipment malfunction.
Power-on
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