The CPU 1511F-1 PN has:

• a powerful processor:
  The CPU achieves a command execution time as low as 60 ns per binary command.
• extensive RAM:
  230 KB for program, 1 MB for data
• SIMATIC memory cards as load memory;
  permit additional functions such as datalog and archives
• Flexible expansion possibilities: single-tier configuration with max. 32 modules (CPU + 31 modules)
• Display with functions for the
  • Display of overview information such as station name, higher level designation, location designation, etc.
  • Display of diagnostic information
  • Display of module information
  • Display of display settings
  • Setting of IP addresses
  • Setting of date and time
  • Selection of the operating mode
  • Resetting of the CPU to factory settings
  • Disabling/enabling of the display,
  • Enabling of protection levels
  • display of safety mode, overall signature and date of the last download with signature change.
• PROFINET IO IRT interface for connecting distributed I/O via PROFINET
• Supports PROFIsafe in centralized and distributed configuration