HEIDENHAIN TNC 620 User Manual page 600

17
MOD Functions
17.5 Select the position display
17.5 Select the position display
Application
You can influence the display of the coordinates for the operating
mode Manual operation and the operating modes Program run,
full sequence and Program run, single block.
The figure on the right shows the different tool positions:
Initial position
Target position of the tool
Workpiece zero point
Machine datum
The TNC position displays can show the following coordinates:
Function
Nominal position: the value presently
commanded by the TNC
Actual position; current tool position
Reference position; actual position relative to
the machine datum
Reference position; nominal position relative to
the machine datum
Servo lag; difference between nominal and
actual positions
Distance remaining to the programmed
position in the input system; difference
between actual and target positions
Distance remaining to the programmed
position with reference to the machine datum;
difference between reference and target
positions
Traverses that were carried out with
handwheel superimpositioning (M118)
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 additional status display.
600
Display
NOML.
ACTL.
REF ACTL
REF NOML
LAG
ACTDST
REFDST
M118
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016