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Siemens SINUMERIK 840D Operator's Manual Page 40

Computerized numerical control system for machine tools.
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2
Operator Components/Operating Sequences
2.3 Machine control panel keys
Changing access rights
Passwords
References
2-40
Key positions
Position 0
No key
Protection level 7
Position 1
Key 1 black
Protection level 6
Position 2
Key 1 green
Protection level 5
Position 3
Key 1 red
Protection level 4
The screen is not automatically updated after a change in access
authorization (e.g. when the key switch position is changed), but only
when the screen is next refreshed (e.g. on closing and opening a
directory).
The currently valid access authorization is checked every time a
function is executed.
If the PLC is in the stop state, the input image of the machine control
panel is not scanned. For this reason the key switch positions are not
evaluated during start-up.
Access authorization can also be set through the input of three
passwords in the basic display of the "Start-Up" operating area.
If the password is set, the key switch positions are irrelevant.
/IAD/Installation & Start-Up Guide 840D or
/IAC/Installation & Start-Up Guide 810D
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
2
03.04
Lowest
access authorization
Highest
access authorization
 Siemens AG, 2004. All rights reserved

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