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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 30-120 minutes
Siemens 300747 - Axis drive monitoring cycle time MD 1300 invalid
Check and, if necessary, correct MD 1300: $MD_SAFETY_CYCLE_TIME (monitoring cycle) has not been set as a multiple of the NC position control cycle. Request: During boot-up of the control Control reaction: Mode group not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.
300747
Siemens 300747 - Axis drive monitoring cycle time MD 1300 invalid
Axis drive monitoring cycle time MD 1300 invalid
Check and, if necessary, correct MD 1300: $MD_SAFETY_CYCLE_TIME (monitoring cycle) has not been set as a multiple of the NC position control cycle. Request: During boot-up of the control Control reaction: Mode group not ready. 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
- Check and, if necessary, correct MD 1300: $MD_SAFETY_CYCLE_TIME (monitoring cycle) has not been set as a multiple of the NC position control cycle.
- Request: During boot-up of the control
Troubleshooting Steps
- 1Please inform the authorized personnel/service department.
- 2Set the monitoring cycle via MD 1300 to n * NC position control cycle, n must be >= 1.
- 3Switch control OFF - ON. 2-737
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