Danfoss iC7 Motion Series Application Manual page 138

Application Guide | iC7 Series Motion
Selection Number
0
1
Running a Motor Feedback Test
6.5.4.2
The Motor Feedback Test optimizes closed-loop motor operation. During the test, the motor is rotated in open loop and feedback data is
gathered. The feedback data is then utilized in closed-loop operation.
The Motor Feedback Test is executed during commissioning.
1.
Set parameter 4.3.1.6 Motor Feedback Test Mode to Enable Motor Feedback Test.
Figure 73: Motor Feedback Test Mode in MyDrive® Insight

The warning Feedback Test Active (5600) is issued, and normal start is suppressed until the test is executed.
2.
Give the start command.

The motor accelerates to 60 RPM and runs for 1 second. The test samples the feedback signal. The motor stops after 1
second and the drive reports the test result. Parameter 4.3.1.6 Motor Feedback Test Mode is set to Off.

The outcome of the test can be:
Success: The drive issues Info 5601: Feedback Test Successful and a pop-up dialog with the same message.
l
Feedback signal was negative running whereas motor was positive: The drive issues Fault 5604: Motor Feedback Inversed.
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Feedback signal was 0 or very low: The drive issues Fault 5605: No Motor Feedback.
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Feedback signal was faster than expected: The drive issues Fault 5603: Feedback Resolution/Poles Low.
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Feedback signal was slower than expected: The drive issues Fault 5602: Feedback Resolution/Poles High.
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Feedback signal was inconsistent: Drive issues Fault 5606: Feedback Unstable.
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Overview of U/f Settings
6.5.4.3
The parameters are used to set the U/f motor control curve manually. Make sure that the parameter Motor Control Principle is set to U/f.
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Selection Name
Off
Enable Motor Feedback Test
Selection Description
Motor feedback test is not enabled.
The next start command initiates test of
motor feedback signal.
AB318753549016en-000301 / 136R0284