Lenze EVS9332xK Manual de usuario descargar pdf (Pagina 124)

100

101

Function library

Function blocks

3.2.24 Clutch (CLUTCH 3)

3−96

EDSVS9332K−EXT EN 4.0

Calculation of the ramps

N S E T

n N

T i

t i

v _ P H I - S E T

v _ P H I - A C T

C L O S E

fb_clutch_

Fig. 3−64 Path−time diagram: Time−controlled engaging

ti +

Ti @ nN

(v_PHI−SET * v_PHI−ACT)

ti Actual duration of the process of engaging the clutch

Ti Acceleration time of the ramp in C1706/3 for the clutch−engaging, relating to

a speed variation from 0 to the machine speed nN

v_PHI−SET Speed of the external master angle

v_PHI−ACT Minimum speed at CLUTCH3−LOW−VEL

(in the disengaged state, v_PHI−ACT is = CLUTCH3−LOW−VEL)

3.2.24.6 Selection of the disengaging position

Description

The disengaging position is specified if an operation has to be completed before the disengaging

process may be initiated.

Function procedure

T A R G E T - P O S = B r a k e p o s i t i o n

v e l o c i t y

P H I - S E T

B r a k i n g d i s t a n c e

P H O U T

fb_clutch3_09

Fig. 3−65 Angle diagram: Disengaged status at zero speed

The internal master angle (PHOUT) is running synchronously to the external master angle (PHI−SET)

until the position at CLUTCH3−TARGET−POS is crossed. Then drive is decelerated to the speed at

CLUTCH3−LOW−VEL.

Adjustment

l Set C1707 = 1.

l Define the disengaging position at CLUTCH3−TARGET−POS.

l Start the disengaging process with CLUTCH3−CLOSE = LOW.

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Lenze EVS9332xK Manual de usuario Pagina 124

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