Rockwell Automation 1398-DDM-xxx USE MNL/ULTRA 200 DIG.SERVO.DR User Manual

Page 175

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Publication 1398-5.0 – October 1998

Tuning

9-5

1. Choose the

T

uning

command icon from the Drive window.

2. Choose

A

uto Tune

from the Tuning window. This activates the

Auto Tune Command and Motor Direction boxes within the Tun-
ing window. Then enter or select:

• appropriate values for

Distan

c

e

in the Auto Tune Command

box,

• appropriate values for

S

t

ep Current

in the Auto Tune Com-

mand box, and

• an appropriate motor rotation in the Motor Direction box,

either:

B

iDirectional

, if the motor will be powered in both the

forward and reverse directions.

– For

w

ard Only

, if the machinery is designed to operate only

in the forward direction.

– R

e

verse Only

, if the motor will be powered only in the

reverse direction.

Use the default settings if you are uncertain about what values to
enter. The default settings are set to values appropriate to the drive and
motor combination selected during drive initialization.

3. Enable the drive.

4. Choose

S

tart

from the Tuning window. The drive rotates the

motor shaft and then motion will cease. The calculated gains are
displayed and the drive is disabled.

5. Disable the drive manually.

6. Choose

N

ormal Drive Operation

from the Tuning window.

7. Enable the drive.

8. Choose

Close

to exit the Tuning window.

Note: Auto tuning does not have a velocity limit, but it does adhere to
the motor Overspeed setting in the Drive Parameters window.

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