Beckhoff EL28 Series Documentation page 157

List of Illustrations
Fig. 1 EL5021 EL terminal, standard IP20 IO device with serial/ batch number and revision ID (since
2014/01).......................................................................................................................................
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 ...................
Fig. 5 EP1258-00001 IP67 EtherCAT Box with batch number/ date code 22090101 and unique se-
rial number 158102......................................................................................................................
Fig. 6 EP1908-0002 IP67 EtherCAT Safety Box with batch number/ date code 071201FF and
unique serial number 00346070 ..................................................................................................
Fig. 7 EL2904 IP20 safety terminal with batch number/ date code 50110302 and unique serial num-
ber 00331701...............................................................................................................................
Fig. 8 ELM3604-0002 terminal with unique ID number (QR code) 100001051 and serial/ batch num-
ber 44160201...............................................................................................................................
Fig. 9 Negative example - active load...................................................................................................
Fig. 10 Ground connection of the load: correct (K1) and incorrect (K2) ..................................................
Fig. 11 Short circuit fault exclusion through protected cable laying.........................................................
Fig. 12 EL2808 ........................................................................................................................................
Fig. 13 EL2808 ........................................................................................................................................
Fig. 14 EL2828 ........................................................................................................................................
Fig. 15 EL2828 ........................................................................................................................................
Fig. 16 EL2809, EL2889 ..........................................................................................................................
Fig. 17 EL2809, EL2889 ..........................................................................................................................
Fig. 18 EL2872, EL2872-0010.................................................................................................................
Fig. 19 EL2872, EL2872-0010.................................................................................................................
Fig. 20 Dimensions of the 20-pin contact strip of the terminal and the matching spring contact strip;
for connections see Contact assignment.....................................................................................
Fig. 21 EL2819 ........................................................................................................................................
Fig. 22 EL2819 ........................................................................................................................................
Fig. 23 Overload current limitation...........................................................................................................
Fig. 24 Schematic illustration of the thermal switch-off in case of overload ............................................
Fig. 25 Switch-off of inductive loads ........................................................................................................
Fig. 26 EL2819 "Process Data" tab .........................................................................................................
Fig. 27 EL2819 Online illustration of the process data and structural contents in the System Manager.
Fig. 28 EL2819 "Process Data" tab .........................................................................................................
Fig. 29 EL2819 CoE directory..................................................................................................................
Fig. 30 EL2819 Change of state of the outputs in the case of a bus error ..............................................
Fig. 31 EL2819 Graphical illustration of the channel state during a bus error .........................................
Fig. 32 System manager current calculation ..........................................................................................
Fig. 33 EtherCAT tab -> Advanced Settings -> Behavior -> Watchdog ..................................................
Fig. 34 States of the EtherCAT State Machine........................................................................................
Fig. 35 "CoE Online " tab ........................................................................................................................
Fig. 36 Startup list in the TwinCAT System Manager .............................................................................
Fig. 37 Offline list .....................................................................................................................................
Fig. 38 Online list ....................................................................................................................................
Fig. 39 Spring contacts of the Beckhoff I/O components.........................................................................
Fig. 40 Attaching on mounting rail ...........................................................................................................
EL28xx-xxxx Version: 2.2
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