Table of figures
EL6731 185Version: 2.8
Table of figures
Fig. 1 EL5021 EL terminal, standard IP20 IO device with serial/ batch number and revision ID (since
2014/01)....................................................................................................................................... 9
Fig. 2 EK1100 EtherCAT coupler, standard IP20 IO device with serial/ batch number......................... 9
Fig. 3 CU2016 switch with serial/ batch number.................................................................................... 10
Fig. 4 EL3202-0020 with serial/ batch number 26131006 and unique ID-number 204418 ................... 10
Fig. 5 EP1258-00001 IP67 EtherCAT Box with batch number/ date code 22090101 and unique se-
rial number 158102...................................................................................................................... 10
Fig. 6 EP1908-0002 IP67 EtherCAT Safety Box with batch number/ date code 071201FF and
unique serial number 00346070 .................................................................................................. 10
Fig. 7 EL2904 IP20 safety terminal with batch number/ date code 50110302 and unique serial num-
ber 00331701............................................................................................................................... 11
Fig. 8 ELM3604-0002 terminal with unique ID number (QR code) 100001051 and serial/ batch num-
ber 44160201............................................................................................................................... 11
Fig. 9 BIC as data matrix code (DMC, code scheme ECC200)............................................................. 12
Fig. 10 EL6731 ........................................................................................................................................ 14
Fig. 11 Spring contacts of the Beckhoff I/O components......................................................................... 16
Fig. 12 Recommended distances for standard installation position ........................................................ 17
Fig. 13 Other installation positions .......................................................................................................... 18
Fig. 14 Correct positioning....................................................................................................................... 22
Fig. 15 Incorrect positioning..................................................................................................................... 22
Fig. 16 PROFIBUS cable assignment ..................................................................................................... 23
Fig. 17 Pin assignment M12 socket (-B310)............................................................................................ 25
Fig. 18 Pin assignment M12 socket/plug connector (-B318) ................................................................... 25
Fig. 19 Pin assignment of the PROFIBUS D-sub socket......................................................................... 25
Fig. 20 Pin assignment socket/plug connector Fieldbus Box modules.................................................... 26
Fig. 21 EtherCAT tab -> Advanced Settings -> Behavior -> Watchdog .................................................. 29
Fig. 22 States of the EtherCAT State Machine........................................................................................ 31
Fig. 23 "CoE Online " tab......................................................................................................................... 33
Fig. 24 Startup list in the TwinCAT System Manager ............................................................................. 34
Fig. 25 Offline list ..................................................................................................................................... 35
Fig. 26 Online list .................................................................................................................................... 35
Fig. 27 Adding a DP slave ....................................................................................................................... 39
Fig. 28 EL6731 task cycle........................................................................................................................ 40
Fig. 29 Cycle with IO at task start ............................................................................................................ 41
Fig. 30 Cycle with IO not at task start ...................................................................................................... 41
Fig. 31 TwinCAT task, DP cycle and K-bus cycle sequence ................................................................... 42
Fig. 32 System Manager “Options” (TwinCAT2)..................................................................................... 54
Fig. 33 Call up under VS Shell (TwinCAT3) ........................................................................................... 54
Fig. 34 Overview of network interfaces ................................................................................................... 54
Fig. 35 EtherCAT device properties(TwinCAT2): click on „Compatible Devices…“ of tab “Adapter” ..... 55
Fig. 36 Windows properties of the network interface............................................................................... 55
Fig. 37 Exemplary correct driver setting for the Ethernet port ................................................................. 56
Fig. 38 Incorrect driver settings for the Ethernet port ............................................................................. 57
Fig. 39 TCP/IP setting for the Ethernet port ............................................................................................ 58
Fig. 40 Identifier structure ....................................................................................................................... 59
Fig. 41 OnlineDescription information window (TwinCAT2) ................................................................... 60