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Chapter 2
System Validation and Application Tips
b. Verify that the Axis Status is as expected by examining the Axis Status Word (B252:0).
The Axis should be Ready (B252:0/0 = 1), Disabled (B252:0/1 = 0), and Not Faulted (B252:0/2 =
0) as shown below. Disregard the other Axis Status signals for now as those signals are based on the
state of the Axis, not necessarily the discrete I/O connections.
If the Axis Status is not correctly representing the Ultra1500 drive status (for example, Axis is Not Ready or
TIP
Axis is Faulted), check the Ultra1500 drive I/O configuration in Ultraware (see
discrete I/O wiring between the MicroLogix 1400 controller and the Ultra1500 drive. The Axis Status Word
is based on these connections and if they are not configured and wired correctly, the Axis Status will be
incorrect and the application code will not function.
c. Note that this step will not be possible for all applications. If possible, verify that the Axis
Relative Position and Speed Feedback signals are functioning as expected by manually turning your
motor and watching the Axis Relative Position and Speed Feedback change values as shown below.
The MicroLogix 1400 controller and Ultra1500 drive should now be communicating via discrete I/O.
Note that the rest of the I/O interaction between the MicroLogix 1400 controller and Ultra1500 drive
will be verified in later steps (for example, Fault functionality and PTO operation).
4. Perform steps
2...3
Remember to review the correct Ultra1500 drive operator interface in step
Status in step
3
for the particular drive you are verifying.
22
for each Ultra1500 drive in your system.
Chapter
1) as well as the
2
and the correct Axis
Publication CC-QS008B-EN-P - December 2009
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