ADAM-4520 RS-232 to RS-422/RS-485 Isolated Serial Converter, Data Rate: 115.2 Kbps, 1 port

The ADAM-4520 is an industrial-grade serial communication converter from Advantech, designed to convert RS-232 signals to RS-422 or RS-485 networks. Featuring 3,000 V DC optical isolation, wide power input range, and rugged DIN-rail mounting, the ADAM-4520 ensures stable, noise-immune data transmission in harsh industrial environments. It is widely used for connecting PLCs, HMIs, meters, and industrial devices over long-distance serial networks in automation and process control applications.