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