170 HEIDENHAIN Technical Manual iTNC 530 HSCI
During start-up of the control, the nominal configuration of the IOC file is
compared with the actual configuration. If there is a difference, you will be
informed of it in a dialog box ("Hardware changed" dialog). Press the Accept
button to confirm the new configuration and continue start-up of the control.
The "Hardware changed" dialog appears when, in comparison with the last
boot-up of the control
one or more devices have been added,
one or more devices have been removed,
the sequence of the HSCI participants has changed, or
on one or more devices the "identification data" have changed. The
identification data include the following:
• All available information from the electronic keyboard (e.g. device type,
ID)
• All serial numbers
• All firmware versions, if the firmware is permanently programmed on
the device (e.g. firmware of the PL, MB)
• All configuration information of an IOC file (e.g. HSCI address, slot
number)
As a rule the dialog appears after an intentional change, e.g. after exchange of
a component for repair or after a firmware update after software installation.
If the dialog appears without a known change, this indicates an unintentional
change, e.g. loss of an HSCI connection, power supply failure, or a defect in
an HSCI assembly. For this reason, displayed changes must always be
checked by qualified personnel!
If the "Hardware changed" dialog appears, the change has to be checked
and, if necessary, accepted!
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