HEIDENHAIN TNC 360 ISO Programming - Manual (Page 198)

TNC 360 10-4
10 MOD Functions
Fig. 10.1: Characteristic positions on the workpiece and scale
5 4
2 3
1
Z Z A
W
M
10.5 Machine-Specific User Parameters
The machine tool builder can assign functions to up to 16 USER PARAME-
TERS. For more detailed information, refer to the operating manual for the
machine tool.
10.6 Selecting Position Display Types
The positions indicated in Fig. 10.1 are:
• Starting position A
• Target position of the tool
Z
• Workpiece datum W
• Scale datum M
The TNC position display can show the
following coordinates:
• Nominal position (the value presently
commanded by the TNC) 1 ...................................................... NOML.
• Actual position (the position at which the
tool is presently located)
2
........................................................ ACTL.
• Servo lag (difference between the nominal
and actual positions) 3 .............................................................. LAG
• Reference position (the actual position as
referenced to the scale datum) 4 .............................................. REF
• Distance remaining to the programmed position
(difference between actual and target position)
5
.................... DIST.
Select the desired information with the ENT key. It is then displayed
directly in the status field.