IOy Series edge I/O modules include 9 different models, each designed to support a wide range of industrial communication protocols, such as: Modbus TCP, OPC UA, MQTT, BACnet/IP, IEC104, and SNMP. Each IOy Edge I/O module supports the connection of up to three I/O expansion boards, allowing customers to flexibly configure I/O combinations according to their specific application needs. With powerful protocol compatibility and modular I/O options, the IOy Series offers a highly adaptable edge solution for data acquisition, device connectivity, and intelligent control in industrial environments.