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2 position display types, Application, Position display types – HEIDENHAIN TNC 320 (34055x-06) User Manual

Page 466: Mod functions 15.2 position display types

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MOD functions

15.2 Position Display Types

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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.