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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 263

8 Motion design

8.2 MotionDesigner

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

8.2.10 Application notes for motion profiles

8.2.10.1 Minimum acceleration and deceleration times

For increasingly lower acceleration and deceleration times the requirement with regard to the dy-

namic torque increases proportionally to the acceleration and reciprocal to the acceleration or de-

celeration time:

• Thus a greater drive is required, which, however, has to accelerate itself as well.

• For greater motors the accelerating power is smaller than for smaller motors. It is therefore

possible that a motor selected later on can no longer meet the specifications.

• These interdependencies are automatically taken into consideration in the DSD, so that a

warning is output if limit values are exceeded.

[8-1] Acceleration capability as a function of the frame size

= acceleration time

= deceleration time

dyn

= dynamic torque

α = angular acceleration

= rated torque

Standard asynchronous motor

 Asynchronous servo motor

 Synchronous servo motor

dyn

a or M

dyn

α∼∼

dyn

--- -

or M

dyn

--- -

∼∼







a, a

motorsize

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