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Motor diagnostics, Commutation diagnostics – Rockwell Automation 2098-UWCPRG Ultraware Software User Manual User Manual

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Rockwell Automation Publication 2098-UM001G-EN-P - February 2011

89

Configuring the Ultra3000 Drive Chapter 3

Motor Diagnostics

Provides a set of diagnostic tests for verification of an online encoder and motor.

Opening any Diagnostic window places the drive in a special override mode that
lets wiring and settings to be verified. See

Diagnostic Testing Procedure

on

page 3-94 for the diagnostic test procedure. The drive must be re-enabled after
the diagnostic testing is complete.

Commutation Diagnostics

Use the Commutation Diagnostics window to verify motor commutation.

The Commutation Diagnostics window has these parameters, status, and
commands:

IMPORTANT

The commutation diagnostics should be performed only when the motor
under test is not connected to a load. The presence of an inertial or
frictional load may cause erroneous test results.

Parameter

Description

Test Current

The percentage Value for the Test Current.
Note; The value is based on a percentage of the maximum
current rating assigned to the specific motor in the Ultraware
motor database.

Statuses

Description

Test Status

Indicates the current status of the Commutation Diagnostics.
Possible displays include:
Idle
Test in Progress
Test Success
Test Failure

Test Results

“ “ (blank), indicates test has not yet been performed.
Test Aborted by User
Test Distance Reached
Marker Found
Wiring Changes Recommended
Feedback Resolution Error
Encoder Alignment Error

Measured Feedback Resolution

Displays the Counts/Electrical Cycle recorded during the test.

Expected Feedback Resolution

Displays the Counts/Electrical Cycle assigned to the specific
motor in the Ultraware motor database.