Structure Of The Hard Disk; Possible Causes Of Error - HEIDENHAIN iTNC 530 Service Manual

12.2 Structure of the Hard Disk

The hard disk is divided into three partitions:
Single-processor
control
TNC:
PLC:
SYS:
The hard disk is divided into four partitions:
Dual-processor
control
Windows
TNC:
PLC:
SYS:

12.3 Possible Causes of Error

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User-specific data:
NC programs, tool tables, datum tables, pallet tables, etc. are stored here.
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.
To view the PLC partition, the code number 807667 must be entered.
System-specific data:
The complete NC software including setup files is located here
(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.
Caution
Alterations to the SYS partition can impair proper function of the control!
Drive letter under Windows --> C:
User-specific data:
Drive letter under Windows --> D:
OEM-specific data:
Drive letter under Windows --> E:
System-specific data:
Drive letter under Windows --> F:
Mechanical wear
Vibration
Contamination
Humidity
Crash of hard disk
Defective cable or connector
No communcation due to defective processor board
No power supply
Manipulation of the hard disk
(e.g. use of non-permissible programs for refragmentation, hard disk testing, duplication)
HEIDENHAIN Service Manual iTNC 530