Tuning – Rockwell Automation 1398-DDM-xxx USE MNL/ULTRA 200 DIG.SERVO.DR User Manual
Page 144
Publication 1398-5.0 – October 1998
8-20
Application and Configuration Examples
14. Choose the
Drive
P
arameters
command icon from the Drive
window and then select the
Follower
tab.
15. Enter an appropriate
G
ear Ratio
as the Follower Input. The
default Gear Ratio is 1:1 (motor encoder pulses:master pulses). If
a Gear Ratio of 3:1 is entered, the motor is moved 3 encoder
pulses for every incoming step pulse.
16. Choose
Close
to exit the Drive Parameters window.
17. Select the
I/O
C
onfiguration
command icon from the Drive Win-
dow.
18. Select an appropriate digital input from the pull-down lists avail-
able as Digital Input Assignments in the I/O Configuration win-
dow.
For example:
•
Follower Enable
as Input 1
•
Not Assigned
as Inputs 2 through 4.
•
Not Assigned
as Outputs 1 through 4.
19. Choose
Close
to exit the I/O Configuration window.
Tuning
1. Choose the
Tuning
command icon from the Drive window.
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 Auto Tune systems that have gravitational
effects. The ULTRA 200 Series will not hold initial position.