HEIDENHAIN TNC 640 (34059x-01) ISO programming User Manual
Page 500

500
Datum table:
Sorting function by values within an 
axis
Available
Not available
Resetting the table
Available
Not available
Hiding axes that are not present
Not available
Available
Switching the list/form view
Switchover via split-screen key
Switchover by toggle soft key
Inserting individual line
Allowed everywhere, renumbering 
possible after request. Empty line is 
inserted, must be filled with zeros 
manually
Only allowed at end of table. Line with 
value 0 in all columns is inserted
Transfer of actual position values in 
individual axis to the datum table per 
keystroke
Not available
Available
Transfer of actual position values in all 
active axes to the datum table per 
keystroke
Not available
Available
Using a key to capture the last 
positions measured by TS
Not available
Available
FK free contour programming:
Programming of parallel axes
With X/Y coordinates, independent of 
machine type; switchover with 
FUNCTION PARAXMODE
Machine-dependent with the existing 
parallel axes
Automatic correction of relative 
references
Relative references in contour 
subprograms are not corrected 
automatically
All relative references are corrected 
automatically
Handling of error messages:
Help for error messages
Call via ERR key
Call via HELP key
Switching the operating mode while 
help menu is active
Help menu is closed when the 
operating mode is switched
Operating mode switchover is not 
allowed (key is non-functional)
Selecting the background operating 
mode while help menu is active
Help menu is closed when F12 is used 
for switching
Help menu remains open when F12 is 
used for switching
Identical error messages
Are collected in a list
Are displayed only once
Acknowledgment of error messages
Every error message (even if it is 
displayed more than once) must be 
acknowledged, the Delete all 
function is available
Error message to be acknowledged 
only once
Access to protocol functions
Log and powerful filter functions 
(errors, keystrokes) are available
Complete log without filter functions 
available
Saving service files
Available. No service file is created 
when the system crashes
Available. A service file is 
automatically created when the 
system crashes
Function
TNC 640
iTNC 530
