12 basic drive functions – Lenze E94AxPExxxx User Manual

Page 578

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12

Basic drive functions

12.12

Brake control

578

Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06

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[12-44] Process example: speed follower is active  quick stop activation  speed follower is active

 Actual speed value

 Actual speed value if the quick stop braking current is parameterised too low (

C00975

)

C00105

: Quick stop decel. time

C02589

: Brake closing time

C00975

: Quick stop braking current

C00974

: Braking current

t

t

Enable speed follower

t

Speed setpoint

Speed follower active

Quick stop active

DC brake active

t

t

CINH

Œ



t

DC brake current

0

1



Ž

Note!

The quick stop braking current in

C00975

has to be set so that the drive can be

decelerated from the maximum operating speed to standstill within the deceleration

time for quick stop set in

C00105

!

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