What causes Siemens SINUMERIK alarm 22200?

When tapping with compensating chuck (G63) the drilling axis was stopped via the NC/PLC interface and the spindle continues to rotate.. The thread and possibly also the tap were damaged as a result.

How do I fix Siemens SINUMERIK alarm 22200?

1. Please inform the authorized personnel/service department. 2. Provide an interlock in the PLC user program so that no axis stop can be initiated when tapping is active. 3. If the tapping operation is to be terminated under critical machine conditions, the spindle and the axis should be stopped simultaneously if at all possible. 4. Slight differences are then accommodated by the compensating chuck. 5. Clear alarm with the RESET key. Restart part program

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Siemens SINUMERIK Controller

Spindle · Intermediate · 30-120 minutes

Alarm 22200

Siemens 22200 - Spindle axis stopped during tapping

Alarm 22200 fires when the tapping axis (drilling axis) is stopped via NC/PLC interface while spindle rotation continues during G63 compensating chuck tapping cycle. This decoupling between axis motion and spindle speed causes immediate thread damage and tap breakage due to the mismatch between feed rate and spindle RPM.

Siemens SINUMERIKSpindleIntermediate30-120 minutes

22200

Siemens 22200 - Spindle axis stopped during tapping

Spindle axis stopped during tapping

Root Cause Summary

Alarm 22200 fires when the tapping axis (drilling axis) is stopped via NC/PLC interface while spindle rotation continues during G63 compensating chuck tapping cycle. This decoupling between axis motion and spindle speed causes immediate thread damage and tap breakage due to the mismatch between feed rate and spindle RPM.

Safety

Spindle hazard: ensure the spindle is at standstill before working near it; follow lockout/tagout procedures.

Causes and Fixes

1
Check PLC program logic in NCK/PLC interface. Review axis stop signals (typically in MD 32100-32110 axis interface parameters) and verify no external stop commands are issued during active G63 cycles.
Do not disable safety interlocks; verify they are not being triggered inadvertently.
2
Examine SPF (Spindle Function) block parameters in the NC program. Confirm MD 36300 (spindle control mode) is set to 1 (position-synchronized) and MD 36400 (spindle encoder) is properly configured for tapping.
3
Inspect SIEMENS safety function blocks (SFB) if used for axis control. Verify G63 tapping is not interrupted by emergency stop or conditional axis disable logic in safety PLCs.

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