A.3 List of access levels
The meanings of the different access levels are as follows:
Protection level Locked by Area
ac0 Reserved for Siemens
ac1 Password Machine manufacturer
ac2 Password Service
ac3 Password User
ac4 Keyswitch position 3 Programmer, machine setter
ac5 Keyswitch position 2 Qualified operator
ac6 Keyswitch position 1 Trained operator
ac7 Keyswitch position 0 Semi-skilled operator
Reference lists
A.3 List of access levels
SINUMERIK Integrate Run MyScreens (BE2)
294 Programming Manual, 12/2017, 6FC5397-1DP40-6BA1