150 HEIDENHAIN Technical Manual iTNC 530 HSCI
2.7.4 Upgrade functions (feature content level)
In the past, each new NC software version contained error fixes as well as
expanded functions. Users who wanted only the NC software update to
eliminate the errors often felt bothered by the enhanced functions. For this
reason, error fixes and expanded functions within the software are now
handled in part separately.
The upgrade functions can then be enabled by entering a code number.
HEIDENHAIN can give you the code number after it is informed of the SIK
number and NC software version.
The upgrade functions are defined as "feature content level" (FCL) in the
SIK under option 53.
The first time an NC software with upgrade functionality is installed on a
control (i.e. no FCL has been set in the SIK), then the entire scope of
functions can be used (including the upgrade functions).
The FCL is then automatically set after 255 restarts, or by entry of the code
number 0 under option #53, and all upgrade functions belonging to this
software version are enabled as well.
A note appears asking to confirm the installed NC software as the initial
version, or if another initial software version is to be installed.
If the FCL has already been set in the SIK of a control, then after a software
update the new upgrade functions of the newer software version can be
used only after entry of a code number from HEIDENHAIN under option
#53 (see "Software options" on page 136).
After pressing the MOD key, the current status of the FCL is displayed in
addition to the software versions.
The FCL is incremented with each new version of the NC software.
If the upgrade functions are enabled via the FCL for a software version,
then all upgrade functions of this software version and all its predecessors
are available. For example, if the FCL for version 606420-03 is set, then all
upgrade functions from version 606420-02 are also available immediately.
If a newer software version, e.g. 606620-06, is simply loaded onto a control,
then the already existing upgrade functions remain available, but the
upgrade functions of the newer version cannot be used. They must be
enabled by entering a new code number.
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