HEIDENHAIN TNC 150 B Mounting Instructions page 34

Entry values for machine parameter 74
Entry Override active if rapid Potentiometer in 2 % stages Override active if rapid traverse
value traverse and external or continuous button is pressed in controlled
-direction buttons are pressed operation
0 inactive continuous inactive
1 inactive continuous active
As of software version 03
0 inactive 2 % stages inactive
1 inactive 2 % stages
active
____-
Additional as of software version 06
~~-*+a
Additional as of software version 08
4 active 2 % stages inactive
5 active 2 % stages active
____-
6
active continuous inactive
7 active
continuous
active
6.1.3 Machine parameters for reference mark approach
Parameter
Parameter
No.
Velocity when approaching
reference points
X 8
Y 9
Z
10
IV 11
Possible
entry values
80 - 15 999 mm/min
(IV: Angular degrees/min with
axis designation A, B or C)
Selected
entry values
With these parameters the required velocity for approaching the reference points can be selected. The approach
speed and direction have an influence on the accuracy of the reference signal evaluation.
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