July 2010 13 – 171
Protection from
data tampering
It is possible that the machine manufacturer has activated the following soft key on the
iTNC 530.
Before data are read from or written to the control's hard disk, such an action must be approved.
8 Press the MOD key and subsequently the soft key EXTERNAL ACCESS ON/OFF.
--> The access must be approved!
The external access (via laptop/PC) to partitions on the control's hard disk (e.g., PLC
partition) can be locked with passwords by the machine manufacturer, like the internal
access (on the control).
Contact the machine manufacturer!
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