13 – 168 HEIDENHAIN Service Manual iTNC 530 HSCI
13.2 Structure of the data medium
The data medium is divided into three partitions:
13.3 Possible error causes
Mechanical wear
Vibration
Contamination
Humidity
Hard disk crash
Defective cable or connector
No communication due to defective processor board
No power supply
Manipulation of the data medium
(e.g. use of non-permissible programs for refragmentation, data medium test, duplication)
TNC: User-specific data:
NC programs, tool tables, datum tables, pallet tables, etc. are stored here.
PLC: OEM-specific data:
System files, PLC programs, machine parameters, help files, PLC dialogs, PLC error
tables, compensation value tables, OEM cycles, etc. are stored here.
The PLC partition is visible only after you have entered the code number 807667.
SYS: System-specific data:
This partition contains the entire NC software (NC dialogs, HEIDENHAIN cycles,
etc.) and the HeROS operating system (HEIDENHAIN real-time operating system).
A daily password is required to open the SYS partition.
Alterations to the SYS partition can impair proper function of the control!
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