Table of contents
Preface ................................................................................................................................................... 3
1
1.1
Terminology ............................................................................................................................ 15
1.2
Industrial Ethernet ................................................................................................................... 16
1.2.1
1.2.2
PROFINET .............................................................................................................................. 18
1.2.2.1
Basics of PROFINET .............................................................................................................. 18
1.2.2.2
PROFINET IO ......................................................................................................................... 20
1.2.3
SIMATIC NET ......................................................................................................................... 20
1.2.4
1.2.5
Time-Sensitive Networking ..................................................................................................... 24
1.2.5.1
Introduction ............................................................................................................................. 24
1.2.5.2
Time synchronization .............................................................................................................. 25
1.2.5.3
1.2.5.4
OPC UA PubSub .................................................................................................................... 26
1.3
1.3.1
Communications media .......................................................................................................... 27
1.3.2
1.3.2.1
IPv4 address ........................................................................................................................... 28
1.3.2.2
1.3.2.3
IPv4 / IPv6 ............................................................................................................................... 32
1.3.2.4
IPv6 terms ............................................................................................................................... 35
1.3.3
1.3.4
Management functions............................................................................................................ 40
1.3.5
Power over Ethernet (PoE) ..................................................................................................... 41
1.3.6
1.3.7
Access Methods ...................................................................................................................... 45
1.3.8
Layer 3 functions ..................................................................................................................... 46
1.3.9
EtherNet/IP ............................................................................................................................. 49
1.4
1.5
Wireless LAN .......................................................................................................................... 52
1.5.1
What is wireless LAN? ............................................................................................................ 52
1.5.2
1.5.3
1.5.4
1.5.5
IEEE 802.11n/ac ..................................................................................................................... 55
1.5.6
IEEE 802.11r ........................................................................................................................... 57
1.5.7
1.5.8
1.5.9
Structure of an IWLAN ............................................................................................................ 60
Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
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