February 2012 13 – 177
13.8 File management in the PLC partition
Calling the 
PLC partition
8 Select the Programming and Editing operating mode.
8 If open: Close the program management by pressing the END button.
8 Call the code number window.
8 Enter and confirm the code number.
8 The PLC main page is displayed.
8 Call the Program Management.
Figure: Program management of iTNC 530 HSCI
The directory structure is displayed on the left side, the associated files are listed on the right.
With the +/- key or with ENTER you can open and close subdirectories.
Pressing the MOD key while the program manager is open calls screen where you can make the 
interface settings.
If the dialog READONLY appears on the left side of the screen, the machine manufacturer has 
protected the PLC partition with his own code number. As a result, the OEM.SYS system file 
can no longer be called. All other PLC files can still be read but not edited any more.