HEIDENHAIN TNC 640 User Manual page 879

Tables and Overviews | Functions of the TNC 640 and the iTNC 530 compared
Function
Datum table:
Sorting function by values within
an axis
Resetting the table
Hiding axes that are not present
Switching the list/form view
Inserting individual line
Transfer of actual position values
on individual axis to the datum
table using the keys
Transfer of actual position values
on all active axes to the datum
table using the keys
Capturing the last positions
measured by TS using the keys
FK free contour programming:
Programming of parallel axes
Automatic correction of relative
references
Q-parameter programming:
Q-parameter formula with SGN
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
TNC 640
Available
Available
Available
Switch via the screen layout key
Allowed everywhere,
renumbering possible after
request. Empty line is inserted,
must be filled with zeros
manually
Not available
Not available
Not available
With X/Y coordinates,
independent of machine type;
switchover with FUNCTION
PARAXMODE
Relative references in contour
subprograms are not corrected
automatically
Q12 = SGN Q50
if Q 50 = 0 then Q12 = 0
if Q50 > 0 then Q12 = 1
if Q50 < 0 then Q12 = -1
iTNC 530
Not available
Not available
Available
Switchover by toggle soft key
Only allowed at the end of the
table. Line with value 0 in all
columns is inserted
Available
Available
Available
Machine-dependent with the
existing parallel axes
All relative references are
corrected automatically
Q12 = SGN Q50
if Q50 >= 0 then Q12 = 1
if Q50 < 0 then Q12 = -1
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