The CPU 1511TF-1 PN features:

• A powerful processor:
  the CPU achieves a command execution time as low as 60 ns per binary command.
• Extensive work memory:
  225 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)
• Screen with functions for:
  • Displaying overview information such as IP address of the integrated interface, station name, plant designation, location identifier, etc.
  • Display and acknowledgment of diagnostic and user messages
  • Display of module information
  • Display of a user-definable logo
  • Showing display settings
  • Setting IP addresses
  • Setting date and time
  • Selecting the operating mode
  • Resetting the CPU to factory settings
  • Backup and restoration of project
  • Disabling/enabling of display
  • Enabling protection levels
• PROFINET IO IRT interface for connecting distributed I/O via PROFINET