5 s-ramp time for jerk limitation, S-ramp time for jerk limitation, S-ramp time for jerk limitation ( 642) – Lenze 8400 TopLine User Manual

Page 642: 9basic drive functions (mck)

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9

Basic drive functions (MCK)

9.8

Positioning

642

Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14

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9.8.2.5

S-ramp time for jerk limitation

The maximum jerk is defined by the selection of an S-ramp time t

jerk_max

, after which the max.

acceleration (a

max

) only is reached.

• The actual jerk time t

jerk

is reduced according to the actual acceleration Acc:

Without jerk limitation

With jerk limitation

1. Standstill
2. Acceleration with set jerk limitation

6. Deceleration with set jerk limitation

3. Acceleration according to acceleration profile (Acc)

7. Deceleration according to deceleration profile

(Dec)

4. Reduce acceleration (jerk limitation)

8. Reduce deceleration (jerk limitation)

5. Traversing with Vel according to speed profile

9. Standstill (position target reached)

V

t

t

a

t

Jerk

1

2

3

4

5

6

7

8

9

Vel

Acc

Dec

a

max

a

max

t

Œ



t

jerk_max

t

jerk_max

t

jerk_max

t

jerk_max

jerk

t

jerk

jerk

t

t

jerk

Œ



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