Comparison: differences in test run, functionality, Comparison: differences in test run, operation – HEIDENHAIN TNC 320 (340 55x-05) ISO programming User Manual
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Comparison: Differences in Test Run, 
functionality
Comparison: Differences in Test Run, operation
Programming OEM cycles
Access to table data
Via SQL commands
Via FN17/FN18 or TABREAD-TABWRITE 
functions
Access to machine parameters
With the CFGREAD function
Via FN18 functions
Creating interactive cycles with CYCLE 
QUERY
, e.g. touch-probe cycles in
Manual Operation mode
Available
Not available
Function
TNC 320
iTNC 530
Function
TNC 320
iTNC 530
Display of delta values DR and DL from 
TOOL CALL
block
Are not considered
Are considered
Test Run up to block N
Function not available
Available function
Calculation of machining time
Each time the simulation is repeated by 
pressing the START soft key, the 
machining time is totaled.
Each time the simulation is repeated by 
pressing the START soft key, time 
calculation starts at 0.
Function
TNC 320
iTNC 530
Arrangement of soft-key rows and soft 
keys within the rows
Arrangement of soft-key rows and soft-keys varies depending on the active screen 
layout.
Zoom function
Each sectional plane can be selected by 
individual soft keys
Sectional plane can be selected via three 
toggle soft keys
Character set for PROGRAM screen 
layout
Small character set
Medium character set
Performing a Test Run in Single block 
mode, switching to the Programming 
mode of operation at any time
When you switch to the Programming 
mode of operation, the warning No 
write permission
is displayed; once a
change has been made, the error 
message is cleared and the program is 
reset to the beginning when you switch 
back to Test Run mode.
The operating mode can be switched. 
Changes to the program do not 
influence the position of the cursor.
Machine-specific miscellaneous 
functions M
Lead to error messages if they are not 
integrated in the PLC
Are ignored during Test Run
Displaying/editing the tool table
Function available via soft key
Function not available
