HEIDENHAIN IK 5494-2D - Manual (Page 356)

334 QC5200 Series User’s Guide
.tap
This is a text file of Circle Features (“Holes”). It can be created by CAD programs to describe positions of
holes on a circuit board. The format is:
%
T2C0.0140F200S100
X-001400Y027650
X-001060Y006740
…
T1C0.0100F200S100
X-001100Y012825
…
The % is ignored by the QC5200. The lines in the file beginning with X define the xy position of the
Hole. The values are in microns (eg: -001400 is 1.4 mm). The lines in the file beginning with T define the
diameter for each of the Holes that following the T line, until the next T is encountered. The diameter size
begins after the C and ends at the F.
.drl
This import option can consist of 1 or 2 text files. They both have the same file name, but one has a DRL
extension and the other has a TOL extension. After the file prompt, the user is asked:
• Digits Before Decimal Point (for diameters and positions in both files)
• Units (of the positions in DRL file)
• Scale Factor (for diameters and positions in both files)
As an example of how numbers are interpreted: if Digits Before Decimal Point is 3, Units is metric, Scale
Factor is 1000, and the numeric string “12345”, the number used by the QC5200 would be:
123.45 / 1000 = 0.12345 mm.
The DRL file is always required, and its format is:
%
T01
X18165Y1342
X18375Y14
...
The % is ignored by the QC5200. The lines of the file beginning with X define the xy position of the Hole.
The lines of the file beginning with T define the diameter of holes for each of the Holes that following the
T line, until the next T is encountered. The number immediately after the T refers to an hole size identifier
in the TOL file. If there is no TOL file, or if the identifier cannot be found, the user is prompted to enter
in the hole diameter.