Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 300760

Siemens 300760 - Axis drive generator mode: emergency retraction speed > max.

The value entered for the emergency retraction speed in MD1639: $MD_RETRACT_SPEED (emergency retraction speed) is greater than MD1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed) 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. Channel not ready.

Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

300760

Siemens 300760 - Axis drive generator mode: emergency retraction speed > max.

Axis drive generator mode: emergency retraction speed > max.

The value entered for the emergency retraction speed in MD1639: $MD_RETRACT_SPEED (emergency retraction speed) is greater than MD1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed) 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. Channel not ready.

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.

Common Causes

  • The value entered for the emergency retraction speed in MD1639: $MD_RETRACT_SPEED (emergency retraction speed) is greater than MD1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed)

Troubleshooting Steps

  1. 1Please inform the authorized personnel/service department.
  2. 2Modify drive machine data - Modify MD 1639: $MD_RETRACT_SPEED (emergency retraction speed) or - Modify MD 1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed).
  3. 3Clear alarm with the RESET key in all channels. Restart part program

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