Program Continuation:

Axis %1 drive %2 synchronization error of rotor position

%1 = NC axis number %2 = Drive number

There is a difference of more than 45° electrical between the present rotor position (C/D track) and the new rotor position as determined by fine synchronization. Faults may have occurred in the encoder or zero marker signals.

The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).

-    Mode group not ready.

-    The NC switches to follow-up mode.

-    Channel not ready.

-    NC Start disable in this channel.

-    Interface signals are set.

-    Alarm display.

-    NC Stop on alarm.

-    Channel not ready.

Use original Siemens encoder cables (they have a higher degree of screening).

Check the encoder, encoder cables and screen connection for damage.

Check the shield connection on the front plate of the controller module (top screw). Replace the control module.

Check MD 1016 $MD_COMMUTATION_ANGLE_OFFSET (commutation angle offset). Switch control OFF - ON.


© Siemens AG 2005 All Rights Reserved