CPU's 2500-C100



2500-C100 CPU with 128K User Memory

The 2500-C100 Series SIMATIC® 505 CPU provides discrete, analog, loop, advanced mathematical and high-speed sequential control capability for your Series SIMATIC® 505 control system.


  • Replaces Siemens® 545-1105 with no rewiring
  • 128K user memory
  • 1024 digital / 1024 analog I/O
  • 16 loops / 32 alarms
  • Built-in Ethernet and USB for programming
  • Built-in SD flash card slot for program back up and documentation



    2500-C100 CPU Product Brochure (590K PDF)