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1 basics: friction response, 2 basic interconnection, 5function blocks – Lenze E94A User Manual

Page 640

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5

Function blocks

5.207

L_WndFrictionCompensation - friction compensation

640

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05

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5.207.1

Basics: Friction response

Starting with the breakaway torque, the friction generally increases with the speed. However, apart

from the speed, also the temperature and torque (e.g. if a gearbox is used) can influence the friction

response.

[5-153] Friction response

5.207.2

Basic interconnection

[5-154] Basic interconnection with the basic function "Speed follower"

Speed-dependent friction component

Static friction component (breakaway torque)

Influence of temperature (friction decreases during heating process)

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