7 – 48 HEIDENHAIN Technical Manual TNC 426, TNC 430
7.5.4 Logical names for files
You can enter a logical name instead of a fixed file name. Logical names make
the work easier for you, especially when you transfer file names to PLC
modules.
Syntax: >Group.name
Examples:
>NCPATH.NCEDIT:
The TNC transfers the complete name and path of the file that is currently
selected in the editing mode.
>OEM.PLCMAIN:
The TNC transfers the complete name and path of the PLC program that was
entered in the OEM.SYS file with the command PLCMAIN.
List of the logical names:
Name of the entry
Group name (NCPATH or OEM)
Identifier for logical name
Group Entry Meaning
NCPATH
PLCEDIT Selected file in the PLC Programming mode
NCEDIT Selected file in the Programming and Editing mode
RUNPGM Selected file in the Program Run mode
RUNDATUM Selected datum table in the Program Run mode
SIMPGM Selected file in the Test Run mode
SIMDATUM Selected datum table in the Program Test mode
SIMTOOL Selected tool table in the Program Test mode
RUNBRKPGM Target file in the block scan in the Program Run mode
SIMBRKPGM Target file in the block scan in the Program Test mode
MDIPGM Selected file in the Positioning with Manual Data Input
operating mode
TCHPATH Selected datum table for manual probing
OEM
TABCMA Active compensation table
MODEHELP Active help file
PLCMAIN Active PLC main program
PLCPWM Active PLC commissioning program for PLC axes
PLCEVENTS Active event list for spawn command
PLCERRTAB Active PLC error message list (PET)
WMAT Active tool material file
TMAT Active workpiece material file
MPFILE Active machine parameter list
Your own entry In the OEM.SYS file you can indicate the desired file names
with path behind your own entry.
e.g., HUGO=TNC:\HUGO\TEST.H
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