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-RIO-A 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.