Jetter the controller manufacturer now supplies a freely programmable Ethernet interface based on the TCP/IP protocol for the JetControl controllers together with the JetSym STX programming language. Users now have the option of communicating data on the application level with end devices equipped with an Ethernet interface. Such devices can be scales, cameras, measuring instruments and power supply units. The interface can be initialized and configured with the functions already provided internally in the operating system. Users are then able to configure the timeout period for connection or communication with TCP or UDP, for example. Data can be sent and read with the aid of additional functions and also imported, evaluated and processed in the user program.