4 – 54 HEIDENHAIN Technical Manual TNC 426, TNC 430
MP7310 Graphic display mode
Format: %xxxx
Input: Bit 0 – Projection in three planes:
0: German-preferred projection
1: US-preferred projection
Bit 1 – Rotation of the coordinate system in the
  working plane by 90°:
0: No rotation
1: Rotation by +90°
Bit 2 – BLK form after datum shift:
0: Shifted
1: Not shifted
Bit 3 – Display of the cursor position:
0: No display
1: Display
PLC, CN123
RUN
6 – 230
MP7315 Tool radius for graphic simulation without TOOL CALL
Input: 0.0000 to 99 999.9999 [mm]
PLC, CN123
RUN
6 – 454
MP7316 Penetration depth of the tool
Input: 0.0000 to 99 999.9999 [mm]
PLC, CN123
RUN
6 – 454
MP7317 M function for graphic simulation PLC, CN123
RUN
6 – 454
MP7317.0 Beginning of graphic simulation
Input: 0 to 88
MP7317.1 Interruption of the graphic simulation
Input: 0 to 88
MP7330.0-15 Specifying the user parameters 1 to 16
Input: 0 to 9999.00 (no. of the user parameter)
PLC
RUN
6 – 323
MP7340.0-15 Dialog messages for user parameters 1 to 16
Input: 0 to 4095 (line number of the PLC dialog
message file)
PLC
RUN
6 – 323
MP Function and input Software 
version and 
behavior
Page