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

Page 134

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Publication 1398-5.0 – October 1998

8-10

Application and Configuration Examples

16. Choose

Close

to exit the Drive Parameters window.

17. Select the

I/O

C

onfiguration

command icon from the Drive win-

dow.

18. Assign one of the three Preset Selects (A, B and C) to each of the

Digital Input Assignments. For example, the following selects
three presets:

I

n

put 1

to

Preset Select A

In

p

ut 2

to

Preset Select B

Inp

u

t 3

to

Preset Select C

Inp

u

t 4

to

Not Assigned

The presets provide up to eight binary combinations of speed or
current. Unassigned preset inputs should be set to

Not Assigned

,

which forces an OFF state.

19. Verify all Digital Output Assignments are

Not Assigned

.

20. Choose

Close

to exit the I/O Configuration window.

Tuning

1. Choose the

Tuning

command icon from the Drive window. The

drive must be configured in Velocity mode for tuning to be effec-
tive.

2. Select

A

utoTune

from the Tuning mode group.

3. Select the appropriate values for the following Auto Tune com-

mands:

Distance

and

Step Current.

4. Select the appropriate entry for the Motor Direction:

BiDirectional

,

Forward Only

or

Reverse Only

.

Note: Do not attempt to Tune a drive with the Command mode set for
Preset Torques. If the drive is set to Torque mode, continue with the
Operation section below.

Note: Do not attempt to Auto Tune systems that have gravitational
effects. The ULTRA 200 Series will not hold initial position.

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