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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 30-120 minutes
Siemens 300706 - Axis drive monitoring cycle time invalid
Monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME is invalid 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.
300706
Siemens 300706 - Axis drive monitoring cycle time invalid
Axis drive monitoring cycle time invalid
Monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME is invalid 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
- Monitoring cycle MD 1002: $MD_MONITOR_CYCLE_TIME is invalid
Troubleshooting Steps
- 1Please inform the authorized personnel/service department.
- 2See Drive Functions "FB/DB1".
- 3Switch control OFF - ON
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