Sinumerik Alarm 300906 Axis %1 drive %2 safe braking ramp exceeded


Sinumerik Alarm 300906 Axis %1 drive %2 safe braking ramp exceeded

Parameters:
%1 = NC axis number
%2 = Drive number

Definitions:
The drive is disabled via STOP A. Request: In monitoring cycle. The actual velocity of the axis has not been reduced during deceleration with “nset = 0” (STOP B or STOP C) but has increased over the follow-on velocity limit during deceleration and the tolerance entered in MD 1348: $MD_SAFE_VELO_TOL (actual velocity tolerance for SBR). The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).

Reactions:
– Mode group not ready.
– Channel not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
– Alarm display.
– Interface signals are set.

Remedy:
Please inform the authorized personnel/service department. Check the deceleration behavior and, if necessary, modify the velocity tolerance in MD 1348: $MD_SAFE_VELO_TOL. Restart is only possible with POWER ON.

Program Continuation:
Switch control OFF – ON.

References

  1. Siemens Diagnostics Guide by Siemens
Sinumerik Alarm 300906 Axis %1 drive %2 safe braking ramp exceeded