HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 321)

Additional functions 9.8
9
TNC 620 | User's ManualDIN/ISO Programming | 2/2015
321
D29 – Transfer values to the PLC
This function may only be used with the permission
of your machine tool builder.
The D29 function transfers up to eight numerical values or Q
parameters to the PLC.
D37 – EXPORT
This function may only be used with the permission
of your machine tool builder.
You need the D37 function if you want to create your own cycles
and integrate them in the TNC.