Selecting Position Display Types - HEIDENHAIN TNC 370 User Manual

11
MOD Functions
4
11.6 Selecting Position Display Types
The positions indicated in Fig. 11.2 are:
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Starting position @
l
Target position of the tool @
l
Workpiece datum @J
l
Scale datum @
L
Fig. 11.2: Characteristic positions on the workpiece and scale
As standard, the TNC shows only actual positions. With the additional
position display you can also display the following types of position values:
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Nominal position (the value presently
commanded by the TNC) @ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NOML.
. Actual position (the position at which the
tool is presently located) @ . . . ..__.._..........................................,.., ACTL.
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Servo lag (difference between the nominal
and actual positions)
@ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LAG
l
Reference position (actual position as
referenced to the scale datum) @ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REF
l
Distance remaining to the programmed position
(difference between actual and target positions) @
. ..__ DIST.
Select the desired information with the ENT key. It is then displayed
directly in the status field.
11-6
TNC 370