Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 300711

Siemens 300711 - Axis drive monitoring cycle times of axes differ

The monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME must be identical for both axes on 2axis modules 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.

Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

300711

Siemens 300711 - Axis drive monitoring cycle times of axes differ

Axis drive monitoring cycle times of axes differ

The monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME must be identical for both axes on 2axis modules 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.

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 monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME must be identical for both axes on 2axis modules

Troubleshooting Steps

  1. 1Please inform the authorized personnel/service department.
  2. 2Modify MD 1002: $MD_MONITOR_CYCLE_TIME for both axes.
  3. 3Switch control OFF - ON

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