Siemens SIMATIC ET 200AL, System Manual

Page: 1574 / 2255

PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
9
Table of contents
Preface ................................................................................................................................................... 3
1 Function manuals Documentation Guide ............................................................................................ 13
2 Description ........................................................................................................................................... 18
2.1 Introduction to PROFINET ................................................................................................... 18
2.1.1 PROFINET terms ................................................................................................................. 20
2.1.2 Basic terminology of communication ................................................................................. 23
2.1.3 PROFINET interface ............................................................................................................ 26
2.1.4 Implementation of the PROFINET device model in SIMATIC ................................................. 29
2.2 Setting up PROFINET .......................................................................................................... 30
2.2.1 Active Network Components .............................................................................................. 31
2.2.2 Cabling technology ............................................................................................................ 33
2.2.3 Wireless design .................................................................................................................. 36
2.2.3.1 Basics ................................................................................................................................ 36
2.2.3.2 Tips on assembly ............................................................................................................... 38
2.2.4 Network security ................................................................................................................ 39
2.2.4.1 Basics ................................................................................................................................ 39
2.2.4.2 Network components and software .................................................................................... 41
2.2.4.3 Application example .......................................................................................................... 42
3 Parameter assignment/addressing ...................................................................................................... 44
3.1 Assigning an IO device to an IO controller .......................................................................... 45
3.2 Device name and IP address ............................................................................................... 46
3.2.1 Device name ...................................................................................................................... 48
3.2.2 IP address .......................................................................................................................... 49
3.2.3 Assigning a device name and IP address ............................................................................. 52
3.2.4 Assign device name via communication table ..................................................................... 57
3.2.5 Permitting changes to the device name and IP address directly on the device ...................... 60
3.3 Configuring an IO device through hardware detection ........................................................ 62
3.4 Specifying the router for a PROFINET IO device ................................................................... 64
3.5 Configuring topology ......................................................................................................... 68
3.5.1 Topology view in STEP 7 .................................................................................................... 70
3.5.2 Interconnecting ports in the topology view ........................................................................ 72
3.5.3 Interconnecting ports - Inspector window .......................................................................... 74
3.5.4 Automatic assignment of devices by offline/online comparison .......................................... 75
3.5.5 Apply the port interconnections identified online manually to the project ........................... 76
3.5.6 Include the devices identified online manually in the project .............................................. 77
3.5.7 Automatic assignment of devices by advanced offline/online comparison ........................... 77
4 Diagnostics and maintenance ............................................................................................................. 78
4.1 Diagnostics mechanisms of PROFINET IO ............................................................................ 78
4.1.1 Diagnostics levels in PROFINET IO ....................................................................................... 80
4.2 Diagnostics via LEDs........................................................................................................... 82