Beckhoff EL28 Series, Documentation

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List of Illustrations
EL28xx-xxxx 157 Version: 2.2
List of Illustrations
Fig. 1 EL5021 EL terminal, standard IP20 IO device with serial/ batch number and revision ID (since
2014/01).......................................................................................................................................
10
Fig. 2 EK1100 EtherCAT coupler, standard IP20 IO device with serial/ batch number......................... 10
Fig. 3 CU2016 switch with serial/ batch number.................................................................................... 11
Fig. 4 EL3202-0020 with serial/ batch number 26131006 and unique ID-number 204418 ................... 11
Fig. 5 EP1258-00001 IP67 EtherCAT Box with batch number/ date code 22090101 and unique se-
rial number 158102......................................................................................................................
11
Fig. 6 EP1908-0002 IP67 EtherCAT Safety Box with batch number/ date code 071201FF and
unique serial number 00346070 ..................................................................................................
11
Fig. 7 EL2904 IP20 safety terminal with batch number/ date code 50110302 and unique serial num-
ber 00331701...............................................................................................................................
12
Fig. 8 ELM3604-0002 terminal with unique ID number (QR code) 100001051 and serial/ batch num-
ber 44160201...............................................................................................................................
12
Fig. 9 Negative example – active load................................................................................................... 14
Fig. 10 Ground connection of the load: correct (K1) and incorrect (K2) .................................................. 15
Fig. 11 Short circuit fault exclusion through protected cable laying......................................................... 16
Fig. 12 EL2808 ........................................................................................................................................ 17
Fig. 13 EL2808 ........................................................................................................................................ 19
Fig. 14 EL2828 ........................................................................................................................................ 20
Fig. 15 EL2828 ........................................................................................................................................ 22
Fig. 16 EL2809, EL2889 .......................................................................................................................... 23
Fig. 17 EL2809, EL2889 .......................................................................................................................... 25
Fig. 18 EL2872, EL2872-0010................................................................................................................. 26
Fig. 19 EL2872, EL2872-0010................................................................................................................. 28
Fig. 20 Dimensions of the 20-pin contact strip of the terminal and the matching spring contact strip;
for connections see Contact assignment.....................................................................................
28
Fig. 21 EL2819 ........................................................................................................................................ 29
Fig. 22 EL2819 ........................................................................................................................................ 31
Fig. 23 Overload current limitation........................................................................................................... 32
Fig. 24 Schematic illustration of the thermal switch-off in case of overload ............................................ 32
Fig. 25 Switch-off of inductive loads ........................................................................................................ 33
Fig. 26 EL2819 “Process Data” tab ......................................................................................................... 34
Fig. 27 EL2819 Online illustration of the process data and structural contents in the System Manager. 35
Fig. 28 EL2819 “Process Data” tab ......................................................................................................... 36
Fig. 29 EL2819 CoE directory.................................................................................................................. 38
Fig. 30 EL2819 Change of state of the outputs in the case of a bus error .............................................. 39
Fig. 31 EL2819 Graphical illustration of the channel state during a bus error ......................................... 40
Fig. 32 System manager current calculation .......................................................................................... 53
Fig. 33 EtherCAT tab -> Advanced Settings -> Behavior -> Watchdog .................................................. 54
Fig. 34 States of the EtherCAT State Machine........................................................................................ 56
Fig. 35 "CoE Online " tab ........................................................................................................................ 58
Fig. 36 Startup list in the TwinCAT System Manager ............................................................................. 59
Fig. 37 Offline list ..................................................................................................................................... 60
Fig. 38 Online list .................................................................................................................................... 60
Fig. 39 Spring contacts of the Beckhoff I/O components......................................................................... 63
Fig. 40 Attaching on mounting rail ........................................................................................................... 64