Port 1 supports Modbus RTU, DirectNet and K-Sequence slave protocols. Port 2 can also operate as a DirectNet or Modbus master. The F0-CP128 Coprocessor module offers three serial communication ports that are configurable using the module’s full BASIC programming capability. The module features a 100MHz clock speed, RS-232 or RS485 data interface options, and baud rates up to 512Kbps. Either module can be installed in the option slot of the DL05 or in any of the four option slots available on the DL06 PLC models. The D0-DCM is priced at $129, while F0-CP128 pricing is $185.