Siemens SINUMERIK 840D sl Commissioning Manual page 37

$MM_SW_OPTIONS=0
Description:
Range of values: 0 - 0xFFFh
Default:
Effective:
HMI sl (IM9)
Commissioning Manual, 07/2007, 6FC5397-1DP10-2BA0
4.2 Setting protection level via machine data display
Activates the "Network drives" and "HMI user memory" HMI options.
This MD is only relevant for the PCU 321.
Bit 0 = 1 (0x01): Activates network drives
Bit 2 = 1 (0x02): Enables HMI user memory:
0
Restart
Protection levels
31