Siemens SINUMERIK 840D Description Of Functions page 280

5 Commissioning
5.1 Commissioning SINUMERIK 840D
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5.1.4 Upgrading software
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5.1.5 Changing data
The user must enter the correct password before he can transfer the machine
data for SI functions to the system. After data for SI functions has been altered,
a new acceptance test must be carried-out on the SI function(s) involved and
then recorded and confirmed in the acceptance report.
Change report Changes made to NCK machine data important for Safety Integrated are
recorded in a display data. These change times are displayed in axial MD
36996: $MA_SAFE_CONFIG_CHANGE_DATE[0...4].
This MD can neither be overwritten by manual entry nor by loading an MD
archive. It can only be deleted by running-up the control from the general reset
mode (switch position 1).
After the control has been run-up from the general reset mode, nothing is
displayed in the MD.
36996: SAFE_CONFIG_CHANGE_DATE[0]
This data is updated when the following changes are made to the NCK
machine data:
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SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
The data must be checked if an error is detected.
If an error is not detected, then data has not been changed and is identical
to the acceptance test data. The copy function may be used if data is
subsequently altered.
Carry-out random function tests. The tests are required for acceptance of
the new machine.
Set special features
When special features are set, each altered safety data must be checked.
The copy functions may be used.
Important
Please carefully read the instructions in the relevant Update Guide before
updating the software.
Activation of an altered safety MD configuration
(NCK safety MD have been changed and confirmed by correction of
$MA_SAFE_DES_CHECKSUM).
Alteration of MD $MA_SAFE_FUNCTION_ENABLE from values not equal
to zero to zero, or from zero to values not equal to zero. These changes
mean that the safety functionality of an axis are completely enabled/
disabled.
Other changes to MD $MA_SAFE_FUNCTION_ENABLE always change
MD $MA_SAFE_ACT_CHECKSUM, which themselves have to be
acknowledged by changes to MD $MA_SAFE_DES_CHECKSUM.
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11.03