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Siemens SINUMERIK Controller
Spindle · Intermediate · 30-120 minutes
Siemens 22322 - Axis PRESET: illegal value
Alarm 22322 fires when a PRESET command attempts to load a spindle position value that exceeds the numerical data type range defined in the NCK interpreter. This occurs because the entered preset value causes an integer or floating-point overflow in the axis position register, typically during G10 L2/L20 preset operations or direct SD parameter writes to spindle axis position memory.
22322
Siemens 22322 - Axis PRESET: illegal value
Axis PRESET: illegal value
The entered Preset value is too large (number format overflow) Control reaction: NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.
Root Cause Summary
Alarm 22322 fires when a PRESET command attempts to load a spindle position value that exceeds the numerical data type range defined in the NCK interpreter. This occurs because the entered preset value causes an integer or floating-point overflow in the axis position register, typically during G10 L2/L20 preset operations or direct SD parameter writes to spindle axis position memory.
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.
Causes and Fixes
- 1
Access Diagnostics > Parameters > Machine Data (MD) via HMI and navigate to the spindle axis configuration. Verify MD32100 and MD32101 boundaries for the reported axis %2. Document the maximum allowed positive and negative values.
Do not modify these limits without consulting machine geometry documentation—they define the physical spindle stroke.
- 2
Review the NC program or manual preset input that triggered alarm 22322. Confirm the PRESET value entered does not exceed the documented MD32100/MD32101 range. If the value appears valid, check for calculation errors in the G-code generator or parametric program logic.
- 3
If the intended preset is legitimate but the machine range is too restrictive, recalculate and update MD32100 and MD32101 in System > Settings > Parametrize Axis via the control's Parametrize Wizard. Recompile the NCK via PLC > System > Store & Activate.
Changes to axis range MDs require system reboot and full CNC cycle before new limits become active.
- 4
Clear the alarm by pressing the Reset button on the control panel, then re-enter the PRESET command with a value confirmed to be within the validated range.
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