PLC communication may require various cables and connections from RS232 serial, to Micro USB, to Cat5e Ethernet. A range of specialized PLC communication cables is available for PLC programming and I/O expansion.
Since CPUs provide many different communication port possibilities, it is helpful to know exactly which communications cable is required. Please refer to the reference tables provided in the catalog or technical specification documents to determine the requirements for your CPU. Cables available for PLC programming and I/O expansion include: