12 – 152 HEIDENHAIN Service Manual iTNC 530
12.2 Structure of the Hard Disk
Single-processor
control
The hard disk is divided into three partitions:
Dual-processor
control
The hard disk is divided into four partitions:
12.3 Possible Causes of Error
îš„ Mechanical wear
îš„ Vibration
îš„ Contamination
îš„ Humidity
îš„ Crash of hard disk
îš„ Defective cable or connector
îš„ No communcation due to defective processor board
îš„ No power supply
îš„ Manipulation of the hard disk
(e.g. use of non-permissible programs for refragmentation, hard disk testing, 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.
To view the PLC partition, the code number 807667 must be entered.
SYS: 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.
Alterations to the SYS partition can impair proper function of the control!
Windows Drive letter under Windows --> C:
TNC: User-specific data:
Drive letter under Windows --> D:
PLC: OEM-specific data:
Drive letter under Windows --> E:
SYS: System-specific data:
Drive letter under Windows --> F:
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