HEIDENHAIN iTNC 530 HSCI - Page 482

482 HEIDENHAIN Technical Manual iTNC 530 HSCI
The following code numbers control access rights to MPs and protected MPs
in the iTNC 530:
 Entry of the code number 95148 or 984651 if no MPLOCKFILE is present
Reading and editing of all machine parameters. Since there is no
MPLOCKFILE, there are no SMPs. The code number 95148 or 984651 can be
changed using the token MPPASSWORD in the OEM.SYS file. After that, the
code number 95148 or 984651 only gives you read access to the MP file.
 Entry of code number 95148 if MPLOCKFILE is present
Reading and editing of all machine parameters that are not listed in
MPLOCKFILE. The machine parameters of MPLOCKFILE can only be read, not
edited. This code number cannot be changed if MPLOCKFILE is present, and
is therefore always valid.
 Entry of code number 984651 and MPPASSWORD if MPLOCKFILE is
present
Reading and editing of all machine parameters and safety-related machine
parameters (MPs in MPLOCKFILE). After the control has been rebooted, any
changes to the SMPs must be confirmed by entering the OEM password.
You can change this code number by means of the keyword MPPASSWORD =
in the OEM.SYS file to protect the machine parameters of MPLOCKFILE from
unauthorized changes. This renders 984651 invalid for the changing of MPs.
After that, the code number 984651 will only give you read access to the
machine parameters of MPLOCKFILE.
 PLC password
Access to the OEM.SYS file is only possible upon entry of the PLC
password. The OEM can change the PLC password via the PLCPASSWORD =
entry in order to protect the OEM.SYS file from unauthorized changes.