BECKHOFF EP9128 - Manual (Page 3)

Table of contents
Table of contents
1 Foreword .................................................................................................................................................... 4
1.1 Notes on the documentation............................................................................................................. 4
1.2 Safety instructions ............................................................................................................................ 5
1.3 Documentation issue status.............................................................................................................. 6
2 Product overview....................................................................................................................................... 7
2.1 EtherCAT Box ­ Introduction............................................................................................................. 7
2.2 EP9128­0021­ Introduction............................................................................................................... 9
2.3 Technical data ................................................................................................................................ 10
3 Basic functioin principles....................................................................................................................... 11
3.1 Basic function principles of EtherCAT junctions ............................................................................. 11
3.2 Basic function principles ................................................................................................................. 18
3.3 LED displays................................................................................................................................... 21
4 Mounting and cabling ............................................................................................................................. 23
4.1 Mounting ......................................................................................................................................... 23
4.1.1
Dimensions ......................................................................................................................... 23
4.1.2 Fixing .................................................................................................................................. 24
4.1.3 Nut torque for connectors ................................................................................................... 25
4.2 EtherCAT ........................................................................................................................................ 26
4.2.1
EtherCAT connection .......................................................................................................... 26
4.2.2 EtherCAT cable................................................................................................................... 28
4.3 Power supply .................................................................................................................................. 34
4.3.1
Power Connection............................................................................................................... 34
4.3.2 Status LEDs for power supply............................................................................................. 37
4.3.3 Power cables ...................................................................................................................... 37
4.3.4 Power cable conductor losses ............................................................................................ 38
4.4 UL Requirements............................................................................................................................ 39
5 Appendix .................................................................................................................................................. 40
5.1 General operating conditions.......................................................................................................... 40
5.2 EEPROM update ............................................................................................................................ 41
5.3 EtherCAT Box ­ Accessories .......................................................................................................... 42
5.4 Support and Service ....................................................................................................................... 44
EP9128 iii Version 2.1.0