Table of contents
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
7
7.5 Installing a system power supply ...................................................................................... 250
7.6 Installing a load current supply ......................................................................................... 252
7.7 Installing R/H-CPUs ........................................................................................................... 253
7.8 Installing a communications processor ............................................................................. 255
8 Wiring ................................................................................................................................................ 258
8.1 Rules and regulations for operation .................................................................................. 258
8.2 Operation on grounded infeed ......................................................................................... 260
8.3 Electrical configuration .................................................................................................... 264
8.4 Wiring rules ..................................................................................................................... 265
8.5 Connecting the supply voltage ......................................................................................... 266
8.6 Connecting the system power/load current supply ............................................................ 268
8.7 Connecting the CPU to the load power supply .................................................................. 269
8.8 Connecting interfaces for communication with S7-1500R ................................................. 271
8.8.1 Connecting the PROFINET ring to S7-1500........................................................................ 271
8.9 Connecting interfaces for communication with S7-1500H ................................................ 273
8.9.1 Connecting redundancy connections (fiber-optic cables) .................................................. 274
8.9.1.1 Synchronization modules for S7-1500H ........................................................................... 274
8.9.1.2 Selecting fiber-optic cables .............................................................................................. 274
8.9.1.3 Installing fiber-optic cables .............................................................................................. 277
8.9.1.4 Connecting redundancy connections (fiber-optic cables) to S7-1500H .............................. 279
8.9.2 Connecting the PROFINET ring to S7-1500H ..................................................................... 283
8.9.3 Connecting line topology to S7-1500H ............................................................................. 286
8.10 Connecting a communications processor ......................................................................... 288
9 Configuration ..................................................................................................................................... 289
9.1 Requirements .................................................................................................................. 289
9.2 Configuring R/H CPUs ....................................................................................................... 289
9.3 Basic procedure for configuring the IO devices and the MRP roles ..................................... 293
9.4 Configuring H-CPUs with PROFINET rings and R1 devices .................................................. 297
9.5 Configuring additional topologies .................................................................................... 302
9.6 Configuring R-CPUs with communications processors ....................................................... 304
9.7 Configuring the system power supply .............................................................................. 306
9.8 Configuring the IE/PB LINK HA .......................................................................................... 308
9.9 Display of the IO device assignments in STEP 7 ................................................................. 310
9.10 Project tree ...................................................................................................................... 313
9.11 Parameters ...................................................................................................................... 314
9.12 Process images and process image partitions ................................
.................................... 314
9.12.1 Process image - overview ................................................................................................. 314
9.12.2 Updating process image partitions in the user program .................................................... 315
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