Home > New BECKHOFF EtherCAT terminals integrate high-precision temperature measurement and dynamic load cell analysis in control system

New BECKHOFF EtherCAT terminals integrate high-precision temperature measurement and dynamic load cell analysis in control system

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article image New EL3314-0010 and EL3356-0010 EtherCAT Terminals
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BECKHOFF Automation  extends its range of measurement terminals to allow measurement applications with demanding requirements for accuracy and dynamics to be seamlessly integrated into a standard control system.

The new EtherCAT terminals from Beckhoff handle measurements for temperature or weighing applications. The 4-channel EL3314-0010 thermocouple input terminal, for example meets all requirements for high-precision temperature measurement while the new EL3356-0010 is an analogue input terminal for direct connection to a resistor bridge or load cell.

The EL3314-0010 EtherCAT terminal allows Beckhoff to extend its impressive range of measurement terminals even further by integrating temperature measurement into the standard automation system, eliminating the need for a dedicated and separate measurement system. The analogue input terminal enables direct connection of four thermocouples.

The EtherCAT communication system, in conjunction with high-performance industrial PCs forms the basis for integrating the measuring tasks previously handled by specialised equipment in the standard control platform.

Key features of EL3314-0010 EtherCAT terminals:

  • Increased measuring accuracy with sensor type K offering ± 1.8º
  • Terminal circuit operates thermocouple sensors in a 2-wire system
  • Microprocessor implements linearization over the whole, freely selectable temperature range
  • Cold junction compensation dealt with via internal, high-precision temperature measurement
  • Can also deal with mV measurements
Key features of EL3356-0010 EtherCAT terminals:

  • High-precision and fast sampling of signal values: every 100 μs, with 24-bit resolution and measuring error of less than ± 0.01 %
  • Developed for weighing applications and vibration measurements on moving structures
  • Single-channel analogue input terminal enables direct connection of a resistor bridge or a load cell
  • Determines the ratio between the bridge voltage UD and the supply voltage UREF with high precision
  • Load value output directly as a process value based on the settings in the terminal
  • EtherCAT distributed clock functionality achieves high-speed, synchronous data sampling

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