Siemens sinumerik 840D sl Operating Manual page 48

Introduction
1.4 User interface
Diagnostics operating area
Startup operating area
48
Protection level
Manufacturer
(protection level 1)
End user
(protection level 3)
Service
(protection level 2)
Protection levels
End user
(protection level 3)
Keyswitch 3
(protection level 4)
Keyswitch 3
(protection level 4)
Key switch 3
(protection level 4)
Keyswitch 3
(protection level 4)
Service
(protection level 2)
End user
(protection level 3)
End user
(protection level 3)
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
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