January 2012 1.2 NC Software 548 328-02 19
1 Update Information No. 1
1.1 Overview
1.2 NC Software 548 328-02
1.2.1 Important notes on updating software
Please remember the following important information when updating the
software versions listed below:
MANUALplus 620: 548 328-01 to 548 328-02
Moving the EnDat axes to known positions before the update:
A function for monitoring the SRAM contents for consistency is introduced
with the new NC software. After the software update, all EnDat axes will
therefore display the error message S-RAM contents of axis are invalid.
At the same time, the control will display a dialog box for confirmation, in
which the current (the displayed) position of the axis is compared with the
physical (switch-off) position.
Move the axes to known positions before the update.
Write down the switch-off positions.
After the control has booted with the new software for the first time,
confirm the positions of the EnDat axes.
If you are using linear encoders with EnDat interface or motor encoders
with EnDat interface for position measurement on your machine, you must
carry out the following step.
HEIDENHAIN recommends:
Making a backup of the control (e.g. with TNCbackup) before updating the
NC software.
Saving your current machine configuration. The configuration editor (DATA
BACKUP soft key) can be used for this purpose.
If you later want to undo the software update and return to the previous
software version, you need the saved configuration data of the old version!
Please perform the update of the NC software as described in the Technical
Manual in Chapter 2 "NC Software Exchange".
Be sure to remember the important information about the software update,
which is provided on the following pages.
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