Beckhoff EtherCAT Coupler with integrated digital inputs/outputs EK1818
The EK1818 EtherCAT Coupler is the link between the EtherCAT protocol at fieldbus level and the EtherCAT Terminals. In addition, eight digital inputs and four digital outputs are integrated. The resulting design is particularly suitable for applications
| Approvals/markings | CE, UL |
|---|---|
| Bus interface | 2 x RJ45 |
| Current consumption from UP | 40 mA + load |
| Current consumption from US | 100 mA + (∑ E-bus current/4) |
| Current supply E-bus | 1000 mA |
| Data transfer medium | Ethernet/EtherCAT cable (min. Cat.5), shielded |
| Distance between stations | max. 100 m (100BASE-TX) |
| Electrical isolation | 500 V (power contact/supply voltage/Ethernet), 500 V (E-bus/field potential) |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Input current | typ. 3 mA (EN 61131-2, type 3) |
| Input filter | 3 ms |
| Load type | ohmic, inductive, lamp load |
| Max. output current | 0.5 A (short-circuit proof) per channel |
| Nominal Voltage | 24 V DC (-15%/+20%) |
| Number of EtherCAT Terminals | up to 65,534 |
| Number of inputs | 8 |
| Number of outputs | 4 |
| Operating Temperature | -25…+60°C |
| Propagation delay | approx. 1 µs |
| Protect. rating/installation pos. | IP20/variable |
| Protocol | EtherCAT |
| Relative Humidity | 95%, no condensation |
| Reverse polarity protection | yes |
| Short-circuit current | typ. < 2 A |
| Signal voltage “0” | -3…+5 V (EN 61131-2, type 1/3) |
| Signal voltage “1” | 11…30 V (EN 61131-2, type 3) |
| Specification | EN 61131-2, type 1/3 |
| Storage Temperature | -40…+85°C |
| Switching times | typ. TON: 60 µs, typ. TOFF: 300 µs |
| Switching-off energy | < 150 mJ/channel |
| Task within EtherCAT system | coupling of EtherCAT Terminals (ELxxxx) to 100BASE-TX EtherCAT networks |
| Transmission rate | 100 Mbit/s |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
Frequently Asked Questions
How do I get pricing for EK1818?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the EK1818?
EK1818 is a Beckhoff part. KKM Solutions sources Beckhoff components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of EK1818?
Key specifications include Approvals/markings: CE, UL; Bus interface: 2 x RJ45; Current consumption from UP: 40 mA + load; Current consumption from US: 100 mA + (∑ E-bus current/4). The full specification table on this page lists every published attribute for this part.
How quickly can EK1818 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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