
B–65192EN/02
SAFETY PRECAUTIONS
s–3
2
WARNINGS AND CAUTIONS RELATING TO MOUNTING
WARNING
F Check the specification code of the amplifier.
Check that the delivered amplifier is as originally ordered.
F Mount a ground fault interrupter.
To guard against fire and electric shock, fit the factory power supply or machine with a ground
fault interrupter (designed for use with an inverter).
F Securely ground the amplifier.
Securely connect the ground terminal and metal frame of the amplifier and motor to a common
ground plate of the power magnetics cabinet.
F Be aware of the weight of the amplifier and other components.
Control motor amplifiers and AC reactors are heavy. When transporting them or mounting them
in the cabinet, therefore, be careful not to injured yourself or damage the equipment. Be
particularly carefull not to jam your fingers between the cabinet and amplifier.
F Never ground or short–circuit either the power supply lines or power lines.
Protect the lines from any stress such as bending. Handle the ends appropriately.
F Ensure that the power supply lines, power lines, and signal lines are
securely connected.
A loose screw, loose connection, or the like will cause a motor malfunction or overheating, or
a ground fault.
F Insulate all exposed parts that are charged.
F Never touch the regenerative discharge resistor or radiator directly.
The surface of the radiator and regenerative discharge unit become extremely hot. Never touch
them directly. An appropriate structure should also be considered.
F Close the amplifier cover after completing the wiring.
Leaving the cover open presents a danger of electric shock.