Rockwell Automation 20P PowerFlex Digital DC Drive User Manual

Page 108

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108

Rockwell Automation Publication 20P-UM001I-EN-P - February 2013

Chapter 2

Drive Start Up

For additional regulator fine tuning procedures, see Fine Tuning the Regulators
on page

301

.

Speed-Up Function

Oscillation may occur during a speed change with loads presenting a high
moment of inertia. These oscillations can be reduced by enabling the “Speed Up”
function. See Speed Up Function on page

290

for more information.

Configuring the Speed Zero Logic

The speed zero logic is factory set to 0 “Disabled”. See Speed Zero Function on
page

292

for more information.

Adaptive Speed Regulation

The adaptive function of the speed regulator is factory set to 0 “Disabled”. It
should only be used when the gain of the speed regulator must go higher than the
speed range. For instructions on configuring these parameters see Adaptive Speed
Regulator o
n page

287

.

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