products for industrial process automation.
Control Technology Inc. (CTI) manufactures the CTI 2500 Series™ Programmable Controller System—a compatible replacement for the Simatic® 505.
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 DP I/O channel that complies with the PROFIBUS standard. The Remote Base Controller is a direct replacement for the Siemens® 505-6870 RBC. Note that the 2500-RBC does not provide for programming the PLC over its serial port.