Siemens Simatic S7-1500H

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The first step is to select the PID_3Step technology object in STEP7:

Figure 4-24Selection of the PID_3Step technology object in STEP7

S7-1500R/H redundant system

System Manual, 11/2022, A5E41814787-AD

System overview

4.3 S7-1500 R/H-CPUs

Main Page

Table of Contents5
Introduction11
S7-1500R/H Documentation Guide13
Information Classes S7-1500R/H13
SIMATIC Technical Documentation14
Safety Information16
Security Information16
New Properties/Functions17
System Overview21
What Is the S7-1500R/H Redundant System21
Areas of Application21
Operating Principle of the S7-1500R/H Redundant System25
Plant Components and Automation Levels35
Scalability36
Overview of Features39
Configuration39
Structure of the S7-1500R Redundant System39
Structure of the S7-1500H Redundant System40
Configuration of a Fail-Safe System with SIMATIC S7-1500HF41
Components43
S7-1500 R/H-Cpus45
Overview of the CPU Technical Specifications45
Redundancy46
Safety55
Security58
Diagnostics60
Trace61
PID Control63
Communication66
System and Device IP Addresses66
Integrated Interfaces for Communication68
HMI Devices68
Power Supply69
Software69
TIA Portal69
Sinetplan70
Proneta71
SIMATIC Automation Tool71
Application Planning72
Requirements72
Restrictions Compared to the S7-1500 Automation System74
Configuration Versions76
S7-1500R/H Configuration with IO Devices in the PROFINET Ring76
Configuration of S7-1500R/H with Switches and Additional Line Topology78
Specific Configuration Variants for S7-1500H81
Configuration of Line Topology with S2 Devices and Switch81
Configuration of PROFINET Rings with R1 Devices82
Configuration of PROFINET Rings with R1 Devices and Switches with MRP Interconnec85
Configuration of PROFINET Rings with R1 Devices and Y-Switch with S2 Devices87
Configuration of Line Topology with R1 Devices89
Line Topology Configuration with R1 Devices and Switches92
Line Topology Configuration with R1 Devices and Y-Switch with S2 Devices93
Configuration of Combined Topology with S2 Devices98
Configuration of Combined Topology with R1 Devices99
Configuration Without Additional Devices101
Redundancy Scenarios102
Introduction102
Failure of the Primary CPU103
Failure of the Backup CPU104
Failure of the PROFINET Cable in the PROFINET Ring106
Specific Redundancy Scenarios for S7-1500H108
Failure of a Redundancy Connection in S7-1500H108
Failure of both Redundancy Connections in S7-1500H > 55 Ms Apart110
Failure of both Redundancy Connections and the PROFINET Cable in the PROFINET Ring112
Failure of the Two PROFINET Cables in the PROFINET Ring on the Backup CPU114
Failure of an Interface Module in an R1 Device in a PROFINET Ring116
Failure of the Two PROFINET Lines in PROFINET Ring 1 at the Primary CPU with R1118
Failure of both PROFINET Lines between Two R1 Devices in a Line Topology120
Failure of a PROFINET Line between Two S2 Devices in a Line Topology122
Failure Scenarios124
Failure of an IO Device in the PROFINET Ring124
Failure of a Switch (with Additional Line Topology) in the PROFINET Ring126
Specific Failure Scenarios with S7-1500R128
Two Cable Interruptions in the PROFINET Ring in S7-1500R > 1500 Ms Apart128
Two Cable Interruptions in the PROFINET Ring in S7-1500R Within ≤ 1500 Ms130
Failure of the Primary CPU When IO Devices Have Failed in the PROFINET Ring132
Specific Failure Scenarios with S7-1500H134
Failure of both Redundancy Connections in S7-1500H ≤ 55 Ms Apart134
Failure of One Redundancy Connection and the Primary CPU in S7-1500H137
Failure of the Two PROFINET Cables in the PROFINET Ring at the Primary CPU138
Failure of the Redundant System through Safe State of the HF-Cpus140
Failure of an Interface Module in an R1 Device and of the PROFINET Lines in Two Places142
Of a PROFINET Ring143
Failure of the Primary CPU in PROFINET Rings with R1, S2 and S1 Devices144
Failure of PROFINET Lines in Two Places in a Line Topology with S2 Devices146
Hardware Configuration148
Using HMI Devices149
Installation153
Basics153
Installing the Mounting Rail155
Installing the Standard Rail Adapter159
Installing a Load Current Supply165
Installing R/H-Cpus166
Wiring169
Rules and Regulations for Operation169
Operation on Grounded Infeed171
Electrical Configuration174
Wiring Rules174
Connecting the Supply Voltage176
Connecting the Load Current Supply177
Connecting the CPU to the Load Power Supply178
Connecting Interfaces for Communication with S7-1500R180
Connecting the PROFINET Ring to S7-1500180
Connecting Interfaces for Communication with S7-1500H182
Connecting Redundancy Connections (Fiber-Optic Cables)183
Synchronization Modules for S7-1500H183
Selecting Fiber-Optic Cables183
Installing Fiber-Optic Cables186
Connecting Redundancy Connections (Fiber-Optic Cables) to S7-1500H187
Connecting the PROFINET Ring to S7-1500H191
Connecting Line Topology to S7-1500H193
Configuration196
Requirements196
Configuring R/H Cpus196
Basic Procedure for Configuring the IO Devices and the MRP Roles200
Configuring H-Cpus with PROFINET Rings and R1 Devices203
Configuring Other Configuration Variants208
Display of the IO Device Assignments in STEP 7209
Project Tree211
Parameters212
Process Images and Process Image Partitions212
Process Image - Overview212
Updating Process Image Partitions in the User Program213
Basics of Program Execution215
Programming the S7-1500R/H215
Restrictions218
Events and Obs220
Special Instructions for S7-1500R/H Redundant Systems226
Disabling/Enabling SYNCUP with the RH_CTRL Instruction226
Determining the Primary CPU with "Rh_Getprimaryid229
Asynchronous Instructions229
Protection236
Overview of the Protection Functions236
Protection of Confidential Configuration Data236
Configuring Access Protection for the CPU236
Using the Display to Set Additional Password Protection239
Using the User Program to Set Additional Access Protection240
Know-How Protection240
Protection by Locking the CPU244
Commissioning245
Overview245
Check before Powering on for the First Time245
Commissioning Procedure246
Removing/Plugging in SIMATIC Memory Cards248
First Power-On of the Cpus250
CPU Pairing250
Redundancy Ids252
Downloading Projects to the Cpus256
Operating and System States263
Overview263
STARTUP Operating State266
STOP Operating State268
SYNCUP Operating State269
RUN Operating States269
SYNCUP System State270
System and Operating State Transitions281
Loss of Redundancy CPU289
Displaying and Changing the System State293
CPU Memory Reset294
Automatic Memory Reset296
Manual Memory Reset297
Backing up and Restoring the CPU Configuration298
Time Synchronization302
Example: Configuring the NTP Server303
Identification and Maintenance Data304
Reading out and Entering I&M Data304
Record Structure for I&M Data306
Example: Read out Firmware Version of the CPU with Get_Im_Data308
Display311
CPU Display311
Maintenance319
Replacing Components of the S7-1500R/H Redundant System319
Checking before Replacing Components319
Replacing Defective R/H-Cpus321
Replacing Defective Redundancy Connections323
Replacing Two Defective PROFINET Cables with S7-1500R323
Replacing a Defective Redundancy Connection with S7-1500H324
Replacing Defective Synchronization Module with S7-1500H325
Replacing both Defective Redundancy Connections with S7-1500H325
Replacing Defective PROFINET Cables327
Replacing a Defective SIMATIC Memory Card327
Replace Defective Load Current Supply PM328
Replacing Defective IO Devices/Switches329
Replacing the Display330
Replacing the Coding Element at the Power Connector of the Load Current Supply332
Firmware Update334
Resetting Cpus to Factory Settings338
Maintenance and Repair343
Test and Service Functions344
Test Functions344
Reading Out/Saving Service Data349
Technical Specifications351
Standards and Approvals351
Electromagnetic Compatibility358
Shipping and Storage Conditions360
Mechanical and Climatic Ambient Conditions361
Information on Insulation Tests, Protection Class, Degree of Protection and Rated364
Use of S7-1500R/H in Zone 2 Hazardous Area365
Dimension Drawings366
Accessories/Spare Parts369
Safety Symbols371
Safety-Related Symbols for Devices Without Ex Protection371
Safety-Related Symbols for Devices with Ex Protection372
Decommissioning373
Introduction373
Securely Removing Data373
Recycling and Disposal374
Glossary375
Index387

Siemens Simatic S7-1500H - Page 64

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