Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 310706

Siemens 310706 - Axis drive maximum working speed invalid

This alarm occurs due to a format overflow caused by high maximum motor speed in drive MD 5401 and speed controller cycle in MD 5001. Fix by adjusting parameters or program settings to prevent overflow.

Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

310706

Siemens 310706 - Axis drive maximum working speed invalid

Axis drive maximum working speed invalid

Because of the high maximum motor speed in the drive MD 5401: DRIVE_MAX_SPEED and the speed controller cycle in MD 5001: SPEEDCTRL_CYCLE_TIME sufficiently high speeds can occur to cause a format overflow Control reaction: NC 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.

Root Cause Summary

This alarm occurs due to a format overflow caused by high maximum motor speed in drive MD 5401 and speed controller cycle in MD 5001. Fix by adjusting parameters or program settings to prevent overflow.

Safety

  • Drive/power/encoder circuit: hazardous voltages may remain in the DC link after power-off. Lock out / tag out, wait for discharge per the drive documentation, and use qualified personnel only.

Causes and Fixes

  1. 1

    Check drive parameters

    Access MD 5401 and MD 5001 via the control panel to review current settings.

  2. 2

    Adjust values

    Reduce the maximum speed in MD 5401 or adjust cycle time in MD 5001 to prevent overflow.

  3. 3

    Test and restart

    Save changes, clear the alarm, and test the program with a dry run.

DIY Feasiblehigh confidence

Call a technician if:

  • ·If parameter adjustments do not resolve the issue
  • ·If unsure about safe parameter limits for the machine

Prevention

  • Validate drive parameters during setup with qualified personnel
  • Simulate programs to catch speed limit issues before production
  • Maintain documentation of safe operating parameter ranges
  • Regular parameter backup and validation checks

Common Mistakes

  • Overlooking speed commands in subprograms
  • Setting unrealistic values in drive MDs

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