Position Display In A Tilted System; Limitations On Working With The Tilting Function - HEIDENHAIN ITNC 530 User Manual

Position display in a tilted system

The positions displayed in the status window (ACTL. and NOML.) are
referenced to the tilted coordinate system.

Limitations on working with the tilting function

The probing function for basic rotation is not available if you have
activated the working plane function in the Manual operating mode.
PLC positioning (determined by the machine tool builder) is not
possible.
78 2 Manual Operation and Setup