Siemens SIMATIC ET 200AL System Manual page 1577

Table of contents
5.12 Docking systems .............................................................................................................. 279
5.12.1 Configuring docking systems ........................................................................................... 282
5.13 Accelerating startup ......................................................................................................... 284
5.13.1 Options for accelerating the startup of IO devices ............................................................. 284
5.13.2 Prioritized startup ............................................................................................................ 286
5.13.3 Configuring prioritized startup ......................................................................................... 287
5.13.4 Optimize the port settings................................................................................................ 288
5.13.5 Optimize the cabling of the ports ..................................................................................... 289
5.13.6 Measures in the user program .......................................................................................... 290
6 PROFINET with the redundant S7-1500R/H system ........................................................................... 292
6.1 Media redundancy in the redundant S7-1500R/H system .................................................. 293
6.2 H-Sync Forwarding .......................................................................................................... 293
6.3 System redundancy S2 ..................................................................................................... 295
6.4 Switched S1 device .......................................................................................................... 296
6.5 Main differences between IO device with S2 system redundancy and standard IO
device ............................................................................................................................. 298
6.6 Installation guidelines ...................................................................................................... 299
6.7 Configuring PROFINET IO on a redundant S7-1500R/H system .......................................... 300
6.8 Assigning IO device to the redundant S7-1500R/H system ................................................ 306
6.9 Configuring media redundancy (MRP) for a configuration with the redundant S7-
1500R/H system ............................................................................................................... 309
6.10 MRP interconnection with the redundant system S7-1500R/H ........................................... 311
Glossary ............................................................................................................................................. 314
Index .................................................................................................................................................. 329
12
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL