Tracing parameters and variables (P-CHAN-00392)
| P-CHAN-00392 | Trace parameters and variables (debug data of NC programs) | 
| Description | In systems that support debugging of NC programs, this parameter controls tracing of the values of parameters and variables and the expressions generated from them. Trace data is written to a file together with other information relevant to the NC block. The output path of this file with the *.dbg extension is defined by P-CHAN-00403 . The debug file name is formed from the name of the main NC main program and the channel number. Example:  prg_main.nc_ch1.dbg 
 As of CNC Build V3.1.3100 a program enumerator is added to the file name. Debug trace of the NC program prg_main.nc started in channel 1, first start, is stored to file: prg_main.nc_ch1_pc1.dbg 
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| Parameter | debug.prg_trace | 
| Data type | BOOLEAN | 
| Data range | 0: Generate no debug trace data (default). 1: Create and generate debug trace data in a program-specific file. | 
| Dimension | ---- | 
| Default value | 0 | 
| Remarks | When an NC program is started, any existing older debug file with the same name is deleted. The parameter is available as of Build V3.1.3037.0. |