Cia402 no connection

  Hallo guys , at the begining I woud like to thanks for that great forum.I'm trying to connect ethercat device like ORIENTAL MOTOR AZD4A-KED but with no lack.At first i run ethercat on ek1100 and some io -> evrything is working fine ,therefor I know that System is working properly also lan card .Second step connection Oriental drive , but there is no connection , when I type in terminal Ethercat slaves there is nothing.I know that unit is able to work properly because I tested it under Twincat3.Some info about thesystem:drive :    oriental motor azd4a-ked compatibility cia402.system : Linux grzesiekzxr 6.1.0-30-rt-amd64. Thank you in advance for your help.