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1. Make sure that the MicroLogix 1400 controller is in RUN mode by verifying that the RUN status
indicator next to the LCD screen is ON (solid green).
If not, you can change the controller to RUN mode by using either the programming software or the
Mode Switch function of the MicroLogix 1400 LCD display.
The Simple Motion Control ladder logic should now be constantly communicating with the drive via
discrete I/O.
2. Make sure that the Ultra1500 drive is ready by verifying that the Ultra1500 drive operator interface
shows 'rdY' in the 3 least significant characters.
If the Ultra1500 drive is faulted, clear the drive fault through Ultraware by double-clicking Faults and
then clicking Clear Fault as shown below.
3. Examine the MicroLogix 1400 I/O to make sure the Ultra1500 drive and MicroLogix 1400 controller
are communicating correctly via discrete I/O.
a. Expand the Custom Data Monitors section located in the Project tree in RSLogix 500 and double-
click CDM 2 – Axis 1 Status as shown below.
Publication CC-QS008B-EN-P - December 2009
System Validation and Application Tips
Chapter 2
21
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