The WISE-S251-A with IO Modules WISE-4200WISE-4400 6DI1RS-485 IO Mod is a type of electronic device manufactured by Advantech. It is a networkable communication controller with a built-in web interface for remote access and control. This device is equipped with Real-Time Ethernet technology that allows a user to perform six digital inputs and one RS-485 IO remote monitoring simultaneously while supporting multiple dynamic and static IP addresses. It supports various protocols including Modbus RTU/ASCii, TCP, UDP, SNMP, and Corba. This device is also equipped with an LCD display for on-screen status monitoring and is compatible with Windows, Linux, and macOS operating systems. It is designed for use in automation systems, SCADA systems, and monitoring systems.