Specifications

Cautions Concerning Use
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Cautions concerning model selection
• Select a motor with a rated torque above the continuously
effective load torque.
• Design the operation pattern so that positioning can be com-
pleted, taking into account the setting time (ts).
• Use the unit with the load’s inertia moment set below the
recommended load inertia moment ratio of the motor being
used. If it is too large, desired performance may not be
attainable.
Operation
• When a magnetic contactor (MC) is installed on the amp’s
primary side, do not perform frequent starts and stops with
the MC. Doing so could cause the amp to fail.
• As for 7kW or smaller, when a trouble occurs, the amp’s safe-
ty features are activated, halting output, and the dynamic
brake instantly stops the motor. If free run is required, con-
tact Mitsubishi about solutions involving servo-amps where
the dynamic brake is not activated.
• When an error occurs, the 11kW or larger amplifier’s protec-
tion function will activate and the output will stop. The ser-
vomotor will coast to a stop. If the dynamic brake operation
is required, use the option DBU-MK(-4).
• When using a motor with an electromagnetic brake, do not
apply the brake when the servo is on. Doing so could cause
an amp overload or shorten brake life. Apply the brake when
the servo is off.
Speed
Time
ts
Command pattern
Motor rotation
Command time
Positioning time
Precautions for Choosing the Products
• Mitsubishi will not be held liable for damage caused by fac-
tors found not to be the cause of Mitsubishi; machine dam-
age or lost profits caused by faults in the Mitsubishi products;
damage, secondary damage, accident compensation caused
by special factors unpredictable by Mitsubishi; damages to
products other than Mitsubishi products; and to other duties.