Intrinsically Safe EtherCAT Terminals - ELX Series

  • Integrated intrinsic-safety barriers
  • Direct field-device connection from zones 0/20 and 1/21
  • Compact IP20 terminal format
  • Modular signal selection

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Compact IP20 EtherCAT I/O terminals with integrated safety barriers for direct connection of intrinsically safe field devices in hazardous hydrogen areas.

Use Cases

  • Hydrogen production and storage plants
  • Electrolyser hazardous areas
  • Hydrogen refuelling station control cabinets

Capabilities

  • Acquires intrinsically safe field signals
  • Reduces the need for separate external barriers
  • Transfers process data through EtherCAT
  • Supports control from hazardous zones to the cloud
Beckhoff Automation GmbH & Co. KG Beckhoff Automation GmbH & Co. KG is a German PC-based industrial automation and control technology provider supplying EtherCAT-based measurement and control systems across the hydrogen value chain, from electrolysis and fuel cell production to compression, storage, and refueling. The company's high-resolution EtherCAT terminals (e.g., EL3008-0003) record individual cell voltages, currents, and temperatures in electrolyzers and fuel cells in real time, while its ELX series terminals provide intrinsically safe interfaces for hazardous hydrogen environments, used by Greenlight Innovation in electrolyzer and fuel cell test stations (including systems for testing 4 MW electrolyzer stacks). Beckhoff's TwinCAT-based control technology also powers H2 Powercell's H2PowerCube, a container-based system integrating electrolyzers, fuel cells, and battery storage cascading up to 1.2 MW. The company has automated over 125,000 wind turbines and extensive solar manufacturing equipment, positioning it across the entire renewable-to-hydrogen energy chain.

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