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Beckhoff: EJ1254 – EtherCAT Plug-in Module, 4-Channel Digital Input, 24 V DC, 1 µs, Timestamping

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April 13, 2021

The EJ1254 digital input module acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The EtherCAT plug-in module has four channels that indicate their signal state via light emitting diodes. The signals are furnished with a time stamp that identifies the time of the last edge change with a resolution of 1 ns. With this XFC technology, signal characteristics can be traced exactly in time and correlated with the distributed clocks system-wide. With this technology, machine-wide parallel hardware wiring of digital inputs or encoder signals for synchronization purposes is often no longer required.

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Special features:

  •    –   suitable for particularly fast signals due to very low input delay
  •    –   synchronized operation through distributed clocks XFC technology possible
  •    –   support of XFC technology timestamp

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https://www.beckhoff.com/en-us/products/i-o/ethercat-plug-in-modules/ej1xxx-digital-input/ej1254.html

 

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