The 2500C-RBC-RS485 Remote Base Controller allows a CTI 2500 Series® Compact I/O base to function as a slave node on an RS485 Remote I/O channel attached to a CTI 2500 Series® or Simatic® 505 CPU.
2500C-RBC-PRF COMPACT PROFIBUS REMOTE BASE CONTROLLER
The 2500C-RBC-PRF Profibus Remote Base Controller allows a CTI 2500 Series® Compact I/O base to function as a slave node on a DP I/O channel that complies with the PROFIBUS standard.