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The vision of the Ethernet-APL concept is to implement the entire communication in process technology plants – from the field level to higher-level control systems – on an Ethernet basis. New Ethernet-APL-capable field devices are also required to retrofit entire plants. Since the technology is still relatively new and involves a high level of development work, the market does not yet offer a broad range of devices. The added value of a transmission rate of 10 Mbit/s is also limited for simple digital sensors.
This is why Beckhoff has made the decision to integrate Ethernet-APL technology into their modular terminal block portfolio. The compact ELX6233 can be mounted in the control cabinet in combination with other EtherCAT Terminals. Two Ethernet-APL field devices can be connected via the ELX6233 terminal. As with all EtherCAT Terminals in the ELX series, the ELX6233 enables direct connection of intrinsically safe field devices up to zone 0.
