Sinumerik Alarm 300771 Axis %1 drive %2 asynchronous mode: converter frequency invalid
Parameters:
%1 = NC axis number
%2 = Drive number
Definitions:
Only a converter frequency of 4 kHz or 8 kHz is permitted in asynchronous mode (selected by MD 1465 < MD 1146).• Modify MD 1465: $MD_SWITCH_SPEED_MSD_AM (switchover speed MSD/AM)• Modify MD 1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed) The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).Reactions:
– NC not ready.
– Channel not ready.
– Channel not ready.
– NC Stop on alarm.
– NC Start disable in this channel.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.
Remedy:
Please inform the authorized personnel/service department. Modify MD 1100: $MD_PWM_FREQUENCY (pulse width modulation frequency) or deselect AM mode (make the value in MD 1465: $MD_SWITCH_SPEED_MSD_AM less than the value in MD 1146: $MD_MOTOR_MAX_ALLOWED_SPEED.
Program Continuation:
Clear alarm with the RESET key in all channels. Restart part program.
References
- Siemens Diagnostics Guide by Siemens