The SIMATIC CFU was specifically designed to meet the requirements of the process industry in the Industrie 4.0 environment:

• System interfacing over the Industrial Ethernet standard
  • Redundant PROFINET connection (S2) for maximum availability
  • Connection versatility with PROFINET BusAdapter (for example electrical, optical or mixed)
• Combination of digital fieldbus and discrete I/O
  • 8 Г— digital fieldbus (PROFIBUS PA)
  • 8 Г— digital inputs/outputs, freely configurable
• Ready for distributed use
  • For installation in hazardous areas up to zone 2-22
  • Extended temperature range of -40 to +70 °C
  • Conformal coating
  • Can be used at altitudes of up to 4 000 meters
  • Enhanced interference immunity in accordance with NAMUR recommendation NE21
• Easy to use
  • Automatic addressing of PROFIBUS PA field devices
  • System-supported detection and integration of PROFIBUS PA field devices into the process control system with the use of standardized PA profiles and commissioning, device replacement and service wizards
  • Implementation of diagnostic messages in accordance with NAMUR recommendation NE107
  • 35-mm standard mounting rail mounting