Eth1ser-R3I3 + has also 3 relay outputs and 3 digital inputs in addition to a RS232 / 422/485 port. Eth1SER-R3I3 + has a built-in web server so that it can be set up with an Alm. Web browser. Eth1SER-R3I3 + has a serial port that can be coupled as RS232 or RS422 / 485 as well as 3 relay outputs and 3 inputs that can be controlled and read with simple commands. Includes a simple Windows application that automatically finds all Eth1SER-R3I3 + on the network so that they can be set to a Valfritt IP address. There are built-in web server for easy setup - access protected with password. E-mail can automatically be shipped when an input or output changes status.