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Process Monitoring Systems

Fuel Cell and Electrolyser Monitoring - EL3008-0005 EtherCAT Terminal

Beckhoff Automation GmbH & Co. KG

  • Eight ±5 V voltage inputs
  • 16-bit resolution
  • 2 ksps sampling rate
  • Cascaded measurement principle

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Description Vendor

An eight-channel analog-input EtherCAT Terminal for cascaded measurement of individual cell voltages in fuel-cell and electrolyser stacks, with ±5 V inputs and high insulation for stack voltages up to 1,500 V.

Use Cases

  • Fuel-cell single-cell voltage monitoring
  • Electrolyser stack monitoring
  • Fuel-cell and electrolyser test benches
  • Long-term series-production monitoring

Capabilities

  • Measures individual cell voltages rapidly
  • Supports stacks with total voltage up to 1,500 V
  • Reduces measurement wiring through cascading
  • Integrates measurement data into EtherCAT automation
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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