Ethercat digital IO test with Beckhoff modules

beckhoff-digital-io-1

  • Hardware setup:
    – EK1100 ethercat coupler.
    – Four EL2008 modules for 32-bit digital output.
    – Four EL1018 modules for 32-bit digital input.
    – Two DC 24V SMPS
  • Software setup:
    (1) Debian Jessie and Xenomai dual kernel.
    (2) Ubuntu 14.04 and RT-preempt kernel.
    (3) Debian Wheezy and RTAI dual kernel.
  • Test result: cycle-time 190 us in DC mode.