Beckhoff EL34 Series - Fig. 2 EK1100 Ethercat Coupler, Standard IP20 IO Device with Serial Batch Number; Fig. 3 CU2016 Switch with Serial Batch Number; Fig. 4 EL3202-0020 with Serial Batch Number 26131006 and Unique ID-Number 204418

Foreword
EL34xx 11Version: 1.5
Fig.2: EK1100 EtherCAT coupler, standard IP20 IO device with serial/ batch number
Fig.3: CU2016 switch with serial/ batch number
Fig.4: EL3202-0020 with serial/ batch number 26131006 and unique ID-number 204418