2 position display types, Application, Position display types – HEIDENHAIN TNC 320 (34055x-06) User Manual
Page 466: Mod functions 15.2 position display types
MOD functions
15.2 Position Display Types
15
466
TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
15.2
Position Display Types
Application
In the Manual Operation mode and in the Program Run modes of
operation, you can select the type of coordinates to be displayed.
The figure at right shows the different tool positions:
Starting position
Target position of the tool
Workpiece datum
Machine datum
The TNC position displays can show the following coordinates:
Function
Display
Nominal position: the value presently
commanded by the TNC
NOML.
Actual position; current tool position
ACTL.
Reference position; the actual position relative
to the machine datum
REF ACTL
Reference position; the nominal position
relative to the machine datum
REF NOML
Servo lag; difference between nominal and
actual positions (following error)
LAG
Distance remaining to the programmed
position; difference between actual and target
positions
DIST
With the MOD function
Position display 1, you can select the
position display in the status display.
With the MOD function
Position display 2, you can select the
position display in the status display.