Lenze 9400 Manual de usuario descargar pdf (Pagina 536)

11 Basic drive functions

11.12 Brake control

536

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06

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11.12.2.8 Speed feedforward control via ramp function for V/f control

This function extension is available from software version V3.0!

For the V/f control there is the possibility of carrying out a feedforward control by means of a speed

which is generated via a parameterisable ramp.

Settings:

1. Go to C02602

and set the selection "1: Speed" as source for the feedforward control.

2. Go to C02603

to set the speed threshold from which on the brake is to be opened.

• C02604

can be used to parameterise a second speed threshold which can be activated by

setting BRK_bStartingTorque2 to TRUE.

3. Go to C02600

and set the acceleration time for the feedforward control.

4. Go to C02601

and set the reference for the acceleration time

(0: Motor reference value, 1: Starting current value).

 Note!

The operation of vertical drives/hoists is only supported up to 55 kW by the V/f control!

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