Lenze EVS9332xK Bedienungsanleitung PDF herunterladen (Seite 128)

Function library

Function blocks

3.2.24 Clutch (CLUTCH 3)

3−100

EDSVS9332K−EXT EN 4.0

3.2.24.10 Engaging the clutch at to different positions of the external master angle

Description

Engaging the clutch is effected by an advancing internal master angle (PHOUT). The required

acceleration distance of the internal master angle (PHOUT) is automatically calculated from the

machine speed and the acceleration time Ti. Thus the next possible start position is determined.

Simultaneously the sync position results from this, from which the internal master angle (PHOUT)

runs synchronously to the external master angle (PHI−SET). With CLUTCH3−CLOSE = HIGH, the

engaging prcess is started. If the external master angle at CLUTCH3−PHI−SET crosses the start

position, synchronising is started.

Engaging the clutch if the external master angle PHI−SET is before the start position

C L O S E

N S E T

P H O U T

L E N

S y n c - P o s i t i o n

O P E N

A C C / D E C

A c c e l e r a t i o n d i s t a n c e

S t a r t - P o s i t i o n





S y n c - P o s i t i o n

0 ° / 3 6 0 °

P H I - A C T = P H O U T

P H I - S E T

A c c e l e r a t i o n d i s t a n c e

1 8 0 °

2 7 0 °

A c c e l e r a t i o n d i s t a n c e

S t a r t - P o s i t i o n

v e l o c i t y

fb_clutch3_04

Fig. 3−69 Angle diagram and path−time diagram: Engaging the clutch if the external master angle is before the start position



External master angle at CLUTCH3−PHI−SET



Internal master angle at CLUTCH3−PHI−ACT

PHI−SET Position of the external master angle at CLUTCH3−PHI−SET at the start of the engaging process

(CLUTCH3−CLOSE = HIGH)

PHI−ACT Position of the internal master angle at CLUTCH3−PHI−ACT at the start of the engaging process

(CLUTCH3−CLOSE = HIGH)

Start position Position of the external master angle at which synchronising is initiated

Sync position Position from which the external and internal master angles run synchronously

OPEN If CLUTCH3−OPEN switches to HIGH, the clutch is engaged

ACC/DEC During the process of engaging the clutch, CLUTCH3−ACC/DEC = HIGH

If CLUTCH3−CLOSE = HIGH, the external master angle is befor the start position calculated. The

process of engaging the clutch is initiated during this clock pulse.

The internal master angle has to be synchronised to the external master angle with regard to position

and angle. The external master angle runs at a constant speed. During the process of engaging the

clutch, the internal master angle covers the "Acceleration distance" to the sync position. The external

master angle covers the "Acceleration distance" twice.

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Lenze EVS9332xK Bedienungsanleitung Seite 128

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