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Safety precautions
Safety precaution in installation (continued)
Do not drop or topple products.
Set up safety devices against idling and locking of the gear
head and grease leakage.
Safety precaution in wiring
Do not scratch the cable, apply excessive force, place
heavy objects, or pinch it.
Do not use cables when immersed in water or oil.
Do not wire with wet hands.
Do not connect commercial power directly to brushless
motor cables (U, V, W).
When inserting the electric wire into a metal duct etc., the
allowable electric current of the electric wire is lowered
due to the temperature rise, so the electric wire is selected
after studying the current reduction coefficient.
Wiring has to be carried out by the qualified and
authorised specialist.
Connect cables reliably. Insulate the conductive part with
an insulator. And fix the cable so that any stress is not
applied to the connection part such as the connector or
terminal block.
Conductive material such as electric wire scraps should not
get inside the product.
Turn off the power when wiring or disconnecting wiring.
Wire the motor wires (U, V, W) and the CS signal wires
correctly.
Commercial power supply should be used for power
supply of brushless amplifier.
When connecting the grounding terminal of the extension
cable, use a terminal block or an insulation sleeve for
insulation.
4
Important
Caution
Preventing damages.
Preventing injury,
damage, contamination
Danger
Cause of fire, electric
shock damages or
breakage.
Cause of fire, electric
shock.
Cause of fire, electric
shock.
Cause of fire, damages or
breakage.
Preventing fire, electric
shock or damages.
Preventing fire, injury,
electric shock, or
breakage.
Preventing fire, electric
shock.
Preventing fire, electric
shock.
Preventing electric shock,
damages.
Preventing injury,
damages, or breakage.
Caution
Preventing damages.
Preventing electric shock.
Safety precautions during operation
Do not touch the brushless amplifier or brushless motor as
it will be hot.
Do not set very high velocity loop gain, and do not change
the velocity loop gain significantly.
Do not touch the rotating part of the brushless motor
during operation.
Do not operate with wet hands.
While energizing, pay attention to unintentional restart
during stop.
Turn on and turn off the power after the worker themself
confirms the safety of the surroundings.
Turn off the power when touching the motor connector.
Do not constrain the output shaft of the motor.
Do not start / stop the brushless motor frequently using
the electromagnetic contactor installed on the main
power supply side.
In case of overload, do not start / stop by power on / off.
Do not turn on / off the power frequently.
Do not drive the brushless motor shaft from the outside
regardless of whether the power is on or off.
Do not approach the parts driven by the brushless motor
while the power is on.
Brushless motor / brushless amplifier should be used
within the operating temperature range and ambient
humidity range.
Danger
Cause of burn.
Cause of injuries,
damages.
Cause of injuries.
Cause of electric shock.
Preventing injury.
Preventing injury.
Preventing electric shock.
Caution
Cause of damages.
Cause of damages.
Cause of damages.
Cause of damages.
Cause of electric shock,
fire or damages.
Cause of injuries.
Preventing damages.
5
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