RS485 pinout DB9 connector is shown below:įigure 2. Meaning of RS485 signal lines the control signals.This has led to the RS485’s wide adoption as the communication interface of choice when multiple nodes need to communicate in control or data acquisition applications. In the EIA’s standard series, the RS485 protocol is considered the most versatile, demonstrating good performance on all four criteria. It also covers the technical RS485 specifications This article describes the RS485 pin configuration including diagrams of full and half duplex RS485 connector pinouts.
