Harmonic Drive FHA-Cmini Series, Manual

Page: 5 / 68

SAFETY GUIDE
1-2
3

CAUTIONS FOR DRIVERS AT APPLICATION DESIGNING
Always use drivers under followings conditions:
・
Mount in a vertical position keeping sufficient distance to other
devices to let heat generated by the driver radiate freely.
・
0
℃
to 50
℃
, 95% RH or below (Non condensation)
・
No vibration or physical shock
・
No corrosive, inflammable or explosive gas
Use sufficient noise suppressing means and safe grounding.
・
Keep signal and power leads separated.
・
Keep leads as short as possible.
・
Ground actuator and driver at one single point, minimum ground
resistance class: D (less than 100 ohms)
・
Do not use a power line filter in the motor circuit.
Pay attention to negative torque by inverse load.
・
Inverse load may cause damages of drivers.
・
Please consult our sales office, if you intent to apply products for
inverse load.
Use a fast-response type ground-fault detector designed for
PWM inverters.
・
Do not use a time-delay-type ground-fault detector.
Safety measures are essential to prevent accidents resulting
in death, injury or damage of the equipment due to
malfunction or faulty operation.

CAUTION FOR DRIVERS IN OPERATIONS
Never change wiring while power is active.
Make sure of power non-active before servicing the products. Failure to
observe this caution may result in electric shock or personal injury.
Do not touch terminals or inspect products at least 15
minutes after turning OFF power.
・
Otherwise residual electric charges may result in electric shock.
In
order to prevent electric shock, perform inspections 15 minutes
after the power supply is turned OFF and confirming the
CHARGE lamp is turned OFF.
・
Make installation of products not easy to touch their inner electric
components.
CAUTION
WARNING