The 2500-RIO-B RS485 Remote Base Controller allows control of a remotely-located CTI 2500 Series® or Simatic® 505® I/O base over a twisted-pair RS485 cable up to 1000m from the CPU.
2500-RIO-B RS485 REMOTE BASE CONTROLLER
2500-RBC PROFIBUS DP REMOTE BASE CONTROLLER
The 2500-RBC Profibus Remote Base Controller (RBC), allows a CTI 2500 Series®or Simatic® 505® I/O base to function as a slave node on a PROFIBUS-DP I/O channel.