Siemens SIMATIC ET 200AL, System Manual

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Table of contents
PROFINET with STEP 7
10
Function Manual, 05/2021, A5E03444486-AL
4.3 Diagnostics via the display of the S7-1500 CPUs ................................................................. 83
4.4 Diagnostics via Web server ................................................................................................. 87
4.5 Online diagnostics with STEP 7........................................................................................... 91
4.6 Extended maintenance concept ......................................................................................... 94
4.7 Diagnostics of the network topology .................................................................................. 96
4.8 Diagnostics in the user program ......................................................................................... 97
4.8.1 Diagnostics and configuration data records ........................................................................ 97
4.8.2 Evaluate diagnostics in the user program ........................................................................... 99
4.9 Maintenance ................................................................................................................... 102
4.9.1 I&M data (identification and maintenance) ...................................................................... 102
4.9.2 Loading I&M data to PROFINET IO devices and your modules ............................................ 102
4.9.3 Asset management .......................................................................................................... 103
4.9.3.1 Further information about asset management at PROFINET .............................................. 103
4.9.3.2 Content and structure of an asset management record ..................................................... 105
4.9.3.3 Asset management data record for I-devices .................................................................... 112
5 Functions ........................................................................................................................................... 117
5.1 Connecting other bus systems ......................................................................................... 117
5.1.1 Linking PROFINET and PROFIBUS ...................................................................................... 119
5.1.2 Connect the DP slave via the IE/PB Link to a PROFINET IO system ....................................... 120
5.2 Intelligent IO devices (I-devices) ....................................................................................... 122
5.2.1 I-device functionality ....................................................................................................... 122
5.2.2 Properties and Advantages of the I-Device ........................................................................ 123
5.2.3 Characteristics of an I-Device ........................................................................................... 124
5.2.4 Data Exchange between higher- and lower-level IO system .............................................. 128
5.2.5 Configuring the I-device ................................................................................................... 130
5.2.6 Program examples ........................................................................................................... 133
5.2.7 Diagnostics and interrupt characteristics .......................................................................... 136
5.2.8 Rules for the Topology of a PROFINET IO System with I-Device .......................................... 138
5.2.9 Boundary conditions when using I-devices ....................................................................... 141
5.2.10 Configuring PROFIenergy with I-devices ........................................................................... 142
5.2.11 Enabling/disabling I-device in the user program of the I-device CPU .................................. 144
5.3 Shared device .................................................................................................................. 150
5.3.1 Useful information on shared devices ............................................................................... 150
5.3.2 Configuring shared device ............................................................................................... 153
5.3.3 Configuring an I-device as a shared device ....................................................................... 158
5.3.4 Module-internal shared input/shared output (MSI/MSO) ................................................... 167
5.4 Media redundancy (ring topologies) ................................................................................. 174
5.4.1 Media Redundancy Protocol (MRP) ................................................................................... 175
5.4.2 Configuring media redundancy ........................................................................................ 178
5.4.3 Media redundancy with planned duplication of frames (MRPD; not for S7-1500R/H) ......... 181
5.4.4 Multiple rings .................................................................................................................. 184
5.4.5 MRP interconnection ........................................................................................................ 188