July 2013 8.1 Display and operation 1201
Enhanced error
notification
PLC error messages
For each entry (i.e. error message) in the PET file, the machine manufacturer
can enter the name of a help file (*.CHM) and a help number within this
*.CHM file. This is done with the two new columns in the PET table,
ONL Name and ONL Number. The called help files must—as mentioned
earlier—be present and language-sensitive in the TNC:\tncguide\de,
TNC:\tncguide\en, etc. directories. When a PLC error message is current
and the user then presses the ERR key and the HEIDENHAIN TNCguide soft
key, the appropriate chapter from this file is shown (context-sensitive call).
If a help number but no *.CHM file is indicated, the main.chm file is
automatically shown. If the OEM has adhered to the permanently defined
help-number ranges for the respective files (see above for the help-number
ranges), then the correct, context-sensitive help page is shown in this case
as well.
NC error messages
The machine manufacturer has the possibility of calling his own additional
error descriptions for NC errors. This is also done with a separate CHM file.
With the OEMERRORCHM.FILE and OEMERRORCHM.OFFSET entries in
OEM.SYS, context-sensitive links to any page in the OEM file can be
created. Under OEMERRORCHM.FILE you must enter the *.CHM file in
which the error number is to be searched. If main.chm is entered under
OEMERRORCHM.FILE, the error number is searched for from there and the
entire directory tree of main.chm is displayed. If the error number is not
found, the start page of main.chm is shown.
Under OEMERRORCHM.OFFSET you must enter an error number that is
used as an offset. The number of the NC error is added to the number
entered here. The resulting error number is then searched for.
Example:
OEMERRORCHM.FILE = main.chm
OEMERRORCHM.OFFSET = 10000000
If, for example, the NC error message Key non-functional is shown
(NC error number 938), the resulting error number = 10000938.
If you press the ERR key now, two soft keys are offered.
If you press the HEIDENHAIN TNCguide soft key, the HEIDENHAIN error
description appears. If you press the MACHINE MANUFACTURER soft key,
the resulting error number (e.g. 10000938) is searched for in the given CHM
file. The appropriate page is opened if the error number exists, otherwise
the start page of the given file opens.
The help files to be called must—as mentioned earlier— be present and
language-sensitive in the TNC:\tncguide\de, TNC:\tncguide\en, etc.
directories.
The MACHINE MANUFACTURER soft key is only displayed if one of the two
entries named exists in OEM.SYS.
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