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1 typical application, Typical application, 5function blocks – Lenze E94A User Manual

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

177

5

Function blocks

5.9

L_CamStretchAbs - stretching/compressing the position (absolute)

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5.9.1

Typical application

By means of this FB a traversing path within the limited traversing range can be simply changed via

factors. By this, the motion profile can be maintained.

[5-17] Example: spindle drive

• Thereby the factors always relate to the zero point of the motion profile on the y axis.

[5-18] Example: Decrease of the lift to 50 % with stretch factor = 0.5

Limited traversing range

M

Œ

dnPosIn_p

20° 40° 60° 80° 100° 120° 140° 160° 180° 200° 220° 240° 260° 280° 300° 320° 340° 360°

-100

0

100

dnPosOut_p

50

-50