W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI

Application for the Web-IO Digital:

Configure Web-IO Digital for Box-to-Box operation

Configuration of the Box-2-Box Master

To change the configuration of the Web-IO you first need to obtain the necessary access rights by entering the administrator password.

Box to Box Master

The Web-IO is factory set for controlling by the browser, i.e. via HTTP, and must first be set to binary mode for B2B operation.


TCP protocol handles communication on the network. The B2B master takes over the function of the client and must be set accordingly.

TCP Client

An IP address and port numbers as well as a slave box password need to be entered as parameters.


Then the settings are saved in the Web-IO.

Session Control

The Box-to-Box master is now ready to use

Configuration of the Box-2-Box Slave

Just as with the Box-to-Box Master, the Web-IO must first be set to binary mode after logging in as the administrator.

The B2B slave takes over the role of the TCP slave and must be configured accordingly.

TCP server

After entering the local port number


and saving the configuration, the two boxes connect automatically and are immediately ready to use. A PC is no longer needed.