July 2010 12 – 151
12 Hard Disk and File Manager of the iTNC 530
12.1 Introduction
The TNC data and PLC data are located on the hard disk of the iTNC 530 as well as the
the complete NC software including setup files is located here.
With dual-processor controls, the Windows system is located on the hard disk.
Depending on the operating conditions (e.g., vibration load, dirt), the hard disk is exposed to
higher or lower loads. HEIDENHAIN thus recommends to have the hard disk checked after 3
to 5 years.
HDR and drive
assembly
Removal and insertion of the HDR, shipping brace
--> See “Exchange of the HDR” on page 28 – 544.
Removal and insertion of drive assembly, shipping brace
--> See “Exchange of the Drive Assembly” on page 28 – 537.
If there are defects on the hard disk, it may be possible that no functions at all can be called.
As the entire NC software is located on the hard disk it is subject to export limitations.
Drive assembly HDR
Permanently installed in
the MC by means of a
holding plate.
= Hard Disk Removeable
= Exchanging hard disk
Is inserted into the expansion case of the
MC and is locked.
Used for: MC 422 MC 422 B, MC 422 C, MC 420
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