Siemens SINUMERIK 840D Description Of Functions page 281

11.03
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Limitations Changes to the MD configuration are only noted when the change becomes
active, i.e. after altering MD $MA_SAFE_DES_CHECKSUM and subsequent
power on. This MD is calculated, effective immediately, also for axes that were
not released for Safety Integrated.
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
Changes to MD $MA_SAFE_FUNCTION_ENABLE by limiting the safety
option. If the scope of axial safety functions is enabled for more axes than
are set in the safety option data, the function enable are automatically
cancelled again for the excess number of axes when the control runs-up.
Loading an MD archive that is different to the NCK MD set currently active
Upgrade (corresponds to downloading an MD archive)
Series commissioning (corresponds to downloading an MD archive).
5 Commissioning
5.1 Commissioning SINUMERIK 840D
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