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12-8
Operating IndraDyn A Motors
Motor or Machine Table Generate Vibrations
Possible causes
Countermeasures
Specified Position is not Attained
Possible causes
Countermeasures
Audible or tactile vibrations occur on the motor.
Status
1. Driven machine elements are insufficiently coupled or damaged.
2. Motor bearings worn or defective. Available bearing lifetime or grease
lifetime elapsed.
3. Motor mount loose.
4. Drive system is instable from a control point of view.
1. Contact the machine manufacturer.
2. Contact the machine manufacturer.
3. Check the mechanical connection. Do not continue to use damaged
parts. Contact the machine manufacturer.
4. Check parameters of the drive system (motor and encoder data).
Observe the notes in the documentation for the drive controller.
The positioning command of the control unit is not precisely executed, or
Status
not at all. No malfunction display on the device controller or the control.
1. Wiring of encoder cable is incorrect or defective. Pin assignment
(encoder signals) in cable or plug may be switched.
2. Insufficient shielding of encoder cable against interference.
3. Incorrect encoder parameters set in drive controller.
4. Motor-machine connection loose.
5. Encoder defective.
1. Check wiring according to terminal diagram and check state of cables
for damage.
2. Check shielding; if necessary, increase effective contact surfaces of
shielding.
3. Correct the parameters. Observe the commissioning log.
4. Check the mechanical connection. Do not continue to use damaged
parts. Contact the machine manufacturer.
5. The encoder must be replaced. Contact the machine manufacturer.
Rexroth IndraDyn A
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
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