Lenze EVS9332xK Bedienungsanleitung PDF herunterladen (Seite 162)

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101

Function library

Function blocks

3.2.38 Characteristic function (CURVEC)

3−134

EDSVS9332K−EXT EN 4.0

Profiles with relative feed

Profiles with relative feed are used in continuous drives. The final value of such profiles is not identical

with its initial position.

Continuous drives are for instance:

l conveyor belts

l rotary tables with feed along the entire revolution.

This function is selected with CURVEC1−REL−SEL = HIGH (e.g. FIXED 1)

Example 1 Example 2

L L L

REL_VOR1 REL_VOR2

L Profile length

With CURVEC1−REL−SEL = LOW, the last Y value of the profile will not be stored!

( STOP!

Depending on the cam profile data, this setting may result in a ’jump’ of the drive to

the new value (see fig. below).

LLL

REL_VOR3

L Profile length

Negative input values

A fault is indicated for negative input values (X<0):

l CURVEC1−X < 0 = HIGH

Furthermore, the output will show the y value which would result from the profile function for x=0.

1 2 ... 157 158 159 160 161 162 163 164 165 166 167 ... 385 386

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