What causes Siemens SINUMERIK alarm 129932?

NCU identifier in part program configuration does not exist in NETNAMES.INI file. Channel assignment references an NCU that is not properly configured or registered. Mismatch between part program NC data and actual system NCU configuration. NETNAMES.INI file missing required NCU definition entries.

How do I fix Siemens SINUMERIK alarm 129932?

1. Verify NETNAMES.INI file exists and contains the NCU referenced in alarm message (%1). Check file location and syntax for proper NCU registration. 2. Cross-reference the part program (%2) configuration settings against active NCU definitions. Ensure channel (%3) assignment is valid for the specified NCU. 3. Open NC program in editor and confirm NCU designation in program header or setup parameters matches a configured entry in NETNAMES.INI. 4. Reload or reinitialize the system configuration to refresh NCU definitions. Perform a soft reset of the control if changes were made to NETNAMES.INI. 5. If NCU was recently added or modified, verify all nodes in the network are synchronized and that communication paths are established.

Siemens SINUMERIK codes

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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 20-40 minutes

Alarm 129932

Siemens 840D 129932 - DAT: The configured NCU for part program in channel is

The specified combination of NCU, part program and channel is invalid for time measuring of the configured workpiece. Remedy: Part program can only be assigned to a channel in an NCU configured in NETNAMES.INI.

Siemens SINUMERIKServo/AxisIntermediate20-40 minutes

129932

Siemens 840D 129932 - DAT: The configured NCU for part program in channel is

DAT: The configured NCU for part program in channel is

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Common Causes

NCU identifier in part program configuration does not exist in NETNAMES.INI file
Channel assignment references an NCU that is not properly configured or registered
Mismatch between part program NC data and actual system NCU configuration
NETNAMES.INI file missing required NCU definition entries

Troubleshooting Steps

1Verify NETNAMES.INI file exists and contains the NCU referenced in alarm message (%1). Check file location and syntax for proper NCU registration.
2Cross-reference the part program (%2) configuration settings against active NCU definitions. Ensure channel (%3) assignment is valid for the specified NCU.
3Open NC program in editor and confirm NCU designation in program header or setup parameters matches a configured entry in NETNAMES.INI.
4Reload or reinitialize the system configuration to refresh NCU definitions. Perform a soft reset of the control if changes were made to NETNAMES.INI.
5If NCU was recently added or modified, verify all nodes in the network are synchronized and that communication paths are established.

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