Documentation issue statusVersionModifications2.4Update chapter “Version identification of EtherCAT devices”Update chapter "Technical data"Update chapter "Overview EtherCAT couplers"Update structureUpdate revision status2.3Update chapter “UL notice”Update chapter “Firmware compatibility”Update structure2.2Update chapter "Overview EtherCAT couplers"Update chapter "Safety instructions"Update revision status2.1Update chapter "Notes on the documentation"Update chapter "Technical data"Addenda chapter "Instructions for ESD protection"Update revision status2.0MigrationUpdate revision statusUpdate structure1.3Update structureUpdate revision statusUpdate chapter "Technical data"1.2Addenda chapter "Power Supply, Potential Groups"1.1EK1818, EK1828, EK1828-0010 added1.0First public issue0.3Corrections and addenda0.2Corrections and addenda0.1Preliminary version