RS485 is a physical layer is not a communication protocol, there are many communication protocols with RS485 as the physical layer, such as: MODBUS, Siemens PROFIBUS DP, PA, MPI, PPI, and so on.
PLC Programming Cable
RS485 is a physical layer is not a communication protocol, there are many communication protocols with RS485 as the physical layer, such as: MODBUS, Siemens PROFIBUS DP, PA, MPI, PPI, and so on.