Mannesmann ecodrive03, Troubleshooting Manual

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Description of Diagnostic Letters B..., C..., D... and A... ECODRIVE03 SMT-02VRS
DOK-ECODR3-SMT-02VRS**-WA01-EN-P
D900 Command automatic loop tuning
Description:
The start of this command means that an automatic control loop setting is
executed in the drive if the drive is in the loop at command start, i.e., the
drive enable signal is applied.
See also Function description "Automatic Control Loop Settings"
WARNING
The start of this command can trigger a movement if
drive enable and drive start are at the drive.
The drive conducts autonomous movements within the
range defined by both limits.
The E-stop sequence function and the travel range limit
switch must be guaranteed and checked.
See also Function description:
"Safety Instructions for Electric Servo Drives and
Controls"
During command D9, the drive autonomously conducts
motions, i.e., without external command value.
D901 Start requires drive enable
Description:
To ensure that the drive is in the loop when starting the command
P-0-0162, D9 automatic control loop setting, such is queried at
command start.
Cause:
Drive enable not set at command start (NO-RF)
Remedy:
Set drive enable and restart command.
See also the functional description: "Automatic Control Loop Settings"
D902 Motor feedback data not valid
Description:
At the start of the automatic control loop setting (P-0-0162), the motor
parameters
•
torque constant
•
rated current of unit are read out of the feedback.
Cause:
•
One of the above feedback data has a value smaller than or equal to
zero (<=0). This means that the controller parameter is incorrectly
calculated.
•
Motor without feedback data storage.