ADV200 • Quick start up guide 133
Index Error message shown
on the display
Sub-code Description
46
Incremental encoder impulse count sign inverted with respect to the absolute
encoder impulse count.
Solution: Invert the A+ and A- signal of the incremental encoder.
47
Incremental encoder impulse count sign inverted with respect to the absolute
encoder impulse count.
Solution: Invert the A+ and A- signal of the absolute encoder.
48
Incorrect phase sequence. (Message not signalled)
Solution: The automatic procedure has modified the setting of the Encoder direction
parameter. No other action is required
49
During automatic phasing a communication channel is activated between the drive
and encoder. An error has occurred on this communication channel.
Solution: Repeat the procedure.
Solution: If the message has a value other than 0 follow the instructions provided for each case
and repeat automatic phasing.
24 Safe start active
Condition: The drive was restarted when PAR 1010 Safe Start Command = ON and in presence
of Enable command.
Solution: Press the ESC key to cancel the message
You have to disable the Enable command to restart the drive.
Note! If any messages not included in this list are displayed, reference should be made to the manual of the
application used by the drive.
8.3 Other anomalies
Noisy motor
(Flux vector OL mode)
Condition: triggering of “noises” (torque instability and/or ripple) when controlling speed mainly
due to mechanical coupling (resonance bands at 500rad/s ≈80Hz) between motor and load
Solution:
manually change the value of one or more of the following parameters as shown:
· IPA 2242 Bandwidth (rad/s): reduce
· IPA 2236 Speed reg P gain (N/rpm): reduce
· IPA 2134 Encoder1speed filter (ms): increase to 0.5 … 2ms
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