EL6233 - Introduction
Fig.1: EL6233 | Two channel communication interface, Ethernet-APLThe EL6233 EtherCAT Terminal allows direct connection of Ethernet-APL-capable field devices. The sensors are supplied in accordance with the SPCX port profile and integrated via PROFINET. Thanks to the flexible EtherCAT system architecture and the EL portfolio, Ethernet-APL, HART or simple digital signals can be integrated in the same terminal segment
The Ethernet Advanced Physical Layer is a communication technology specially developed for the requirements of the process industry. Ethernet-APL describes only the physical transmission layer, based on the 10BASE-T1L single-pair Ethernet standard, and is therefore protocol-independent. Regarding use in hazardous areas, the IEC defines limits for the power supply to the field devices. The TS10186 technical specification developed by the Ethernet-APL project group prescribes guideline values based on these limit values and divides them into port profiles to simplify connectivity. Field devices from zones of the hazardous area can be connected depending on the port profile.