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Siemens SINUMERIK Controller
System · Intermediate · 30-60 minutes
Siemens 4280 - Assignment of NCK input/output byte via MD [ ] does not match hardware
When booting, the required input/output module was not found at the slot specified in the MD Control reaction: NC not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.
4280
Siemens 4280 - Assignment of NCK input/output byte via MD [ ] does not match hardware
Assignment of NCK input/output byte via MD not match hardware
When booting, the required input/output module was not found at the slot specified in the MD Control reaction: NC not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Common Causes
- When booting, the required input/output module was not found at the slot specified in the MD
Troubleshooting Steps
- 1Please inform the authorized personnel/service department.
- 2Check hardware or correct the MD, if necessary.
- 3Note: monitoring of the hardware configuration is performed independently of the number of activated inputs/outputs (MD10300 $MN_FASTIO_ANA_NUM_INPUTS, MD10310 $MN_FASTIO_ANA_NUM_OUTPUTS, MD10350 $MN_FASTIO_DIG_NUM_INPUTS, MD10360 $MN_FASTIO_DIG_NUM_OUTPUTS)
- 4Switch control OFF - ON
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