What causes Siemens SINUMERIK alarm 129933?

DAT file channel assignment does not match the actual physical channel configuration in the NCU. Part program references a channel that does not exist or is not active in the current NCU setup. Mismatch between DAT file workpiece definition and the NCU/channel combination specified in the part program. DAT file contains incorrect syntax or formatting in the channel parameter definition. Channel configuration was modified in the NCU without corresponding update to the DAT file.

How do I fix Siemens SINUMERIK alarm 129933?

1. Verify the physical channel configuration in the NCU matches the channel number specified in the DAT file for the referenced workpiece 2. Cross-reference the part program name, NCU identifier, and channel number listed in the alarm message against the actual DAT file entries 3. Check the DAT file syntax for the time measuring channel assignment; ensure proper formatting and valid channel references 4. Confirm the NCU designation in the DAT file corresponds to the correct machine controller executing the part program 5. Update the DAT file with the correct channel assignment and reload the workpiece configuration; re-run the part program to verify the alarm clears

Siemens SINUMERIK codes

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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-45 minutes

Alarm 129933

Siemens 840D 129933 - DAT: The configured channel for part program in NCU is

The specified combination of NCU, part program and channel is invalid for time measuring of the configured workpiece. Remedy: Correct the corresponding entry in the DAT file belonging to the workpiece.

Siemens SINUMERIKServo/AxisIntermediate30-45 minutes

129933

Siemens 840D 129933 - DAT: The configured channel for part program in NCU is

DAT: The configured channel for part program in NCU is

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Common Causes

DAT file channel assignment does not match the actual physical channel configuration in the NCU
Part program references a channel that does not exist or is not active in the current NCU setup
Mismatch between DAT file workpiece definition and the NCU/channel combination specified in the part program
DAT file contains incorrect syntax or formatting in the channel parameter definition
Channel configuration was modified in the NCU without corresponding update to the DAT file

Troubleshooting Steps

1Verify the physical channel configuration in the NCU matches the channel number specified in the DAT file for the referenced workpiece
2Cross-reference the part program name, NCU identifier, and channel number listed in the alarm message against the actual DAT file entries
3Check the DAT file syntax for the time measuring channel assignment; ensure proper formatting and valid channel references
4Confirm the NCU designation in the DAT file corresponds to the correct machine controller executing the part program
5Update the DAT file with the correct channel assignment and reload the workpiece configuration; re-run the part program to verify the alarm clears

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