Siemens SINUMERIK 840DE sl Commissioning Manual page 160

11 Miscellaneous
11.1 Access protection via password and keyswitch
Access protection
system
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Protection level 0 provides the greatest number of access rights, protection
level 7 the least.
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If certain access rights are granted to a protection level, these protection
rights automatically apply to any higher protection levels.
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Conversely, protection rights for a certain protection level can only be altered
from a higher protection level.
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Access rights for protection levels 0 to 3 are permanently assigned by
Siemens and cannot be altered (default).
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Access authorization is set through scanning of the current keyswitch
position and a comparison of password entries. When a password is en-
tered it overwrites the access rights of the keyswitch position.
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Options can be protected on each protection level. However, option data
can only be entered in protection levels 0 and 1.
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Access rights for protection levels 4 to 7 are merely suggested settings and
can be altered by the machine tool manufacturer or end user.
SINUMERIK 840D sl Commissioning Manual CNC: ShopMill – 11/2006 Edition
© Siemens AG 2006 All Rights Reserved
11/2006