Description
Interfacing field-level signals directly to 100BASE-TX EtherCAT networks, the Beckhoff EK1828 EtherCAT Coupler combines high-speed network communication with onboard digital input/output channels. This compact unit functions as the head station for Beckhoff ELxxxx EtherCAT Terminals while simultaneously serving as a space-saving I/O module in distributed control architectures. By integrating digital inputs and outputs directly into the coupler housing, this device minimizes the physical footprint required in industrial control enclosures.
The Beckhoff EK1828 features a High Density (HD) housing equipped with built-in signal LEDs for rapid diagnostic evaluation. Built for demanding industrial operations, the unit implements double-slot and key connections for secure side-by-side mounting, alongside spring-actuated terminal blocks that facilitate efficient wiring and resistance to mechanical vibration.
Features
- Direct coupling of ELxxxx EtherCAT Terminals to 100BASE-TX EtherCAT networks.
- Integrated space-saving local I/O interface containing 4 digital inputs and 8 digital outputs.
- Dual RJ45 ports for straightforward line or star network topologies.
- Integrated E-bus power supply generating up to 1000 mA for connected I/O slices.
- Short-circuit proof digital outputs featuring reverse voltage protection.
- High-density housing layout with dedicated status LEDs for every input and output channel.
- Support for up to 65,534 EtherCAT Terminals within a single network segment.
Applications
- Distributed control nodes in factory automation.
- Compact machine control panels with tight spatial constraints.
- Material handling, packaging systems, and assembly lines.
- Process manufacturing requiring remote, high-speed digital synchronization.
Technical Specifications
| Manufacturer |
Beckhoff |
| Part Number / Model |
EK1828 |
| Protocol |
EtherCAT |
| Data Transfer Rate |
100 Mbit/s |
| Bus Interface |
2 x RJ45 |
| Distance Between Stations |
Max. 100 m (100BASE-TX) |
| E-bus Current Supply |
1000 mA |
| Nominal Voltage |
24 V DC (-15% / +20%) |
| Current Consumption from US |
100 mA + (sum of E-bus current / 4) |
| Current Consumption from UP |
40 mA + load |
| Number of Inputs |
4 |
| Input Specification |
EN 61131-2, type 1/3 |
| Input Signal Voltage |
"0" signal: -3 to +5 V | "1" signal: 11 to 30 V |
| Input Filter |
3.0 ms |
| Number of Outputs |
8 |
| Max. Output Current |
0.5 A per channel (short-circuit proof) |
| Switching Times |
Typ. TON: 60 microseconds | Typ. TOFF: 300 microseconds |
| Load Types |
Ohmic, inductive, lamp load |
| Electrical Isolation |
500 V (power contact/supply voltage/Ethernet), 500 V (E-bus/field potential) |
| Operating Temperature |
-25 to +60 degC |
| Storage Temperature |
-40 to +85 degC |
| Relative Humidity |
95%, non-condensing |
| Vibration/Shock Resistance |
Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Immunity/Emission |
Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Protection Rating |
IP20 |
| Housing Material |
Polycarbonate |
| Dimensions (W x H x D) |
44 mm x 100 mm x 67 mm |
| Shipping Weight |
5 kg |
Connections and Interfaces
| Conductor Type |
Connection Cross-Section (Metric) |
Connection Cross-Section (AWG) |
| Solid Conductors (s) |
0.08 to 1.5 mm² |
AWG 28 to 16 |
| Stranded Conductors (st) |
0.25 to 1.5 mm² |
AWG 22 to 16 |
| Fine-stranded with Ferrule (f) |
0.14 to 0.75 mm² |
AWG 26 to 19 |
Installation Guidelines
-
Mounting: Mount horizontally or vertically on a standard 35 mm DIN rail conforming to EN 60715 using the integrated locking mechanism.
-
Side-by-Side Configuration: Utilize the dual slot and key connection system to physically secure adjacent ELxxxx terminals.
-
Wiring: For solid conductors, apply the direct plug-in insertion method. For stranded or ferruled wires, actuate the internal clamp mechanism using a standard screwdriver. Ensure a stripping length of 8 to 9 mm.
-
Cooling and Clearances: Maintain clean airflow conditions within the IP20 cabinet space to prevent thermal buildup beyond the maximum operating threshold of +60 degC.
Compliance and Certifications