8.9 Process images and process image partitions.....................................................................
212
8.9.1 Process image - overview..................................................................................................
212
8.9.2 Updating process image partitions in the user program.....................................................
213
9 Basics of program execution..............................................................................................................
215
9.1 Programming the S7-1500R/H...........................................................................................
215
9.2 Restrictions.......................................................................................................................
218
9.3 Events and OBs.................................................................................................................
220
9.4 Special instructions for S7-1500R/H redundant systems.....................................................
226
9.4.1 Disabling/enabling SYNCUP with the RH_CTRL instruction..................................................
226
9.4.2 Determining the primary CPU with "RH_GetPrimaryID".......................................................
229
9.5 Asynchronous instructions................................................................................................
229
10 Protection...........................................................................................................................................
236
10.1 Overview of the protection functions................................................................................
236
10.2 Protection of confidential configuration data.....................................................................
236
10.3 Configuring access protection for the CPU.........................................................................
236
10.4 Using the display to set additional password protection.....................................................
239
10.5 Using the user program to set additional access protection................................................
240
10.6 Know-how protection.......................................................................................................
240
10.7 Protection by locking the CPU............................................................................................
244
11 Commissioning...................................................................................................................................
245
11.1 Overview..........................................................................................................................
245
11.2 Check before powering on for the first time......................................................................
245
11.3 Commissioning procedure................................................................................................
246
11.3.1 Removing/plugging in SIMATIC memory cards...................................................................
248
11.3.2 First power-on of the CPUs................................................................................................
250
11.3.3 CPU pairing.......................................................................................................................
250
11.3.4 Redundancy IDs................................................................................................................
252
11.3.5 Downloading projects to the CPUs.....................................................................................
256
11.4 Operating and system states.............................................................................................
263
11.4.1 Overview..........................................................................................................................
263
11.4.2 STARTUP operating state...................................................................................................
266
11.4.3 STOP operating state.........................................................................................................
268
11.4.4 SYNCUP operating state....................................................................................................
269
11.4.5 RUN operating states........................................................................................................
269
11.4.6 SYNCUP system state........................................................................................................
270
11.4.7 System and operating state transitions..............................................................................
281
11.4.8 Loss of redundancy CPU....................................................................................................
289
11.4.9 Displaying and changing the system state.........................................................................
293
11.5 CPU memory reset............................................................................................................
294
8
Table of contents
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD