Rockwell Automation Motion Control PTO Application Building Block - Manual (Page 81)

Rockwell Automation Publication CC-QS033A-EN-P - February 2014 81
Motion Axis Setup for PTO Building Block Appendix C
3. Verify the direction configuration for the PTO channel.
a. From the Polarity pull-down menu, choose the setting appropriate for your application.
This setting lets you to invert the directional signal.
b. From the Mode pull-down menu, choose the Mode appropriate for your application.
The Bi-Directional setting to let the motion axis to move in the positive and negative direction.
c. From the Change Delay Time pull-down menu, choose a delay time for your application.
In this example the minimum time delay has been set to 10ms. This is the minimum time delay for any directional
change motion command.
Limits
1. Verify the hard limit configuration.
a. From the When hard limit us reached, apply pull-down menu, choose a profile that is appropriate for your
application.
In the configuration shown, the Emergency Stop Profile has been selected for when hard limit is triggered.
b. Check Lower Hard Limit and Upper Hard Limit.
When the boxes are checked, the hard limit inputs are enabled.
c. From the Active Level pull-down menus, choose the active level for your input signals.
If Active Level is set to Low, the controller acknowledges that hard limit is reached when input terminal is
FALSE.
d. No action, the input terminals correspond with the PTO channel selected. It cannot be reallocated.
a
b
c
a
b
c
d