80 HEIDENHAIN Technical Manual iTNC 530 HSCI
SSDR hard disk of the
iTNC 530 HSCI
• Contains the NC software
• Memory capacity 32 GB, of
which 21.4 GB are for the
TNC:\ partition and 1 GB for
the PLC:\ partition;
Remaining memory for
system data
SSDR iTNC ID 736591-xx
Additionally required for MC 6xxx:
SIK (System Identification Key)
• Contains the NC software
license for enabling control
loops and software options.
• The SIK number provides
the control with a unique
identification.