EK1828-0010 Beckhoff
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The Beckhoff EK1828-0010 is an EtherCAT coupler in the EK EtherCAT Couplers series with 8 digital outputs and supports a baud rate of 100 MBaud. It features 2 RJ45 bus connections, output voltage of 24 VDC, and an output current per channel of 0.5 A max. The device is rated for IP20 protection class and isolates up to 500 V.
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Product Description:
The EK1828-0010 is an EtherCAT digital output coupler produced by Beckhoff for the EK EtherCAT Couplers series. Acting as a fieldbus interface, it links high-speed EtherCAT networks to localized 24 V DC load circuits inside control panels. By combining deterministic communication with integrated power switching, the unit streamlines the distribution of discrete signals to actuators and indicators in industrial automation cells. The device accepts power through separate supply contacts, forwards protocol data to downstream terminals, and occupies a single DIN-rail slot, making it suitable for densely populated equipment enclosures that require compact modular I/O.
The EtherCAT interface operates at a line rate of 100 MBaud, and two RJ45 connectors provide shielded ports that permit a daisy-chain topology without external switches. Typical frame propagation through the coupler adds only 1 µs of delay, so cycle times remain short even with extended node counts. Segment runs can reach 100 m when Category 5e cable is used, allowing cabinet-to-cabinet links across a production floor. On the output side, the terminal block presents 8 optically isolated channels that switch the connected loads in synchronization with network telegrams, preserving the deterministic response required by motion sequences and packaging equipment.
Each channel can source up to 0.5 A at the rated field voltage of 24 V DC, while the common power contacts support a continuous bus current of 10 A. Fast transistor drivers achieve a typical switch-on time of 60 µs and a switch-off time of 300 µs. The output stage safely absorbs 150 mJ of breaking energy when inductive loads are released. Electrical separation of 500 V between the logic and power domains protects upstream controllers. Communication complies with the EtherCAT Device Protocol, so upstream masters recognize the module without custom drivers. An internal E-bus supply of 1000 mA feeds subsequent terminal modules, all within an enclosure rated at IP20 for cabinet-mounted service.
