Siemens Simatic S7-1500 User guide

Automation system
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SIMATIC
S7-1500, ET 200MP
Automation system
System Manual
09/2016
A5E03461182
-AD
Preface
Documentation guide
1
System overview
2
Application planning
3
Installation
4
Wiring
5
Configuring
6
Basics of program execution
7
Protection
8
Flexible automation concepts
9
Commissioning
10
SI MATIC memory card
11
CPU display
12
Maintenance
13
Test functions and fault
resolution
14
Technical specifications
15
Dimension drawings
A
Accessories/spare parts
B

Siemens AG
Division Digital Factory
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90026 NÜRNBERG
GERMANY
A5E03461182-AD
Ⓟ
08/2016 Subject to change
Copyright © Siemens AG 2013 - 2016.
All rights reser ved
Legal information
Warning notice system
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damage to property. The noticesreferring to your personal safety are highlighted in the manual bya safety alert
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WARNING
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NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present,the warning notice representing the highestdegree of danger will
be used.A notice warning of injuryto persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation maybe operated only by
personnel qualified
for the specific
task in accordance with the relevantdocumentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience,are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
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Note the following:
WARNING
Siemens products may onlybe used for the applicationsdescribed in the catalog and in the relevanttechnical
documentation.Ifproducts and components from other manufacturers are used,these mustbe recommended
or approved by Siemens.Proper transport, storage, installation,assembly,commissioning,operation and
maintenance are required to ensure that the products operate safely and without any problems.The permissible
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Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistencywith the hardware and software
described.Since variance cannotbe precluded entirely,we cannotguarantee full consistency. However,the
information in this publication is reviewed regularlyand any necessary corrections are included in subsequent
editions.

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4System Manual, 09/2016, A5E03461182-AD
Preface
Purpose of the documentation
This documentation provides you with important information on how to configure, install, wire
and commission the S7-1500 automation system/ET 200MP distributed I/O system.
Basic knowledge required
General knowledge in the field of automation engineering is required to understand this
documentation.
Validity of the documentation
This documentation is valid for all products from the SIMATIC S7-1500 and SIMATIC
ET 200MP product families.
Conventions
STEP 7: In this documentation, "STEP 7" is used as a synonym for all versions of the
configuration and programming software "STEP 7 (TIA Portal)".
Please also observe notes marked as follows:
Note
A note contains important information on the product described in the documentation, on the
handling of the product or on the section of the documentation to which particular attention
should be paid.

Preface
Automation system
System Manual, 09/2016, A5E03461182-AD 5
Special information
Note
Important note for maintaining t he operational s afety of your plant
Plants with safety
-related features are subject to special operational safety requirements on
the part of the operator. The supplier is also required to comply with certain measures for
product monito
ring. Siemens informs system operators in the form of personal notifications
about product developments and properties which may be or become important issues in
terms of operational safety.
You need to subscribe to the corresponding notifications to ensu
re that you always remain
up
-to-date and are able to make any necessary changes to your plant regarding operational
safety should the need arise.
Register with Industry Online Support. Follow the links below and click on "Email on update"
on the right
-hand side in each case:
•
SIMATIC S7-300/S7-300F (https://support.industry.siemens.com/cs/ww/en/ps/13751)
•
SIMATIC S7-400/S7-400H/S7-400F/FH
(https://support.industry.siemens.com/cs/ww/en/ps/13828)
•
SIMATIC WinAC RTX (F) (https://support.industry.siemens.com/cs/ww/en/ps/13915)
•
SIMATIC S7-1500/SIMATIC S7-1500F
(https://support.industry.siemens.com/cs/ww/en/ps/13716)
•
SIMATIC S7-1200/SIMATIC S7-1200F
(https://support.industry.siemens.com/cs/ww/en/ps/13883)
•
Distributed I/O (https://support.industry.siemens.com/cs/ww/en/ps/14029)
•
STEP 7 (TIA Portal) (https://support.industry.siemens.com/cs/ww/en/ps/14340)
Note
When using F
-CPUs in safety mode and fail-safe modules, note the description of the fail-
safe system SIMATIC Safety Programming and Operating Manual SIM
ATIC Safety -
Configuring and Programming
(
http://support.automation.siemens.com/WW/view/en/54110126).
Note
Product information
The product information on the S7
-1500 automation system/ET 200MP distributed I/O
system contains:
•
Module overview of SIMATIC, S7-1500 and ET 200MP
•
Additions to the documentation
The product information can be found on the Internet
(
http://support.automation.siemens.com/WW/view/en/68052815).

Preface
Automation system
6System Manual, 09/2016, A5E03461182-AD
Recycling and disposal
The products are low in pollutants and can be recycled. For environmentally compliant
recycling and disposal of your electronic waste, please contact a company certified for the
disposal of electronic waste.
Security information
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, systems, machines and networks.
In order to protect plants, systems, machines and networks against cyber threats, it is
necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial
security concept. Siemens’ products and solutions only form one element of such a concept.
Customer is responsible to prevent unauthorized access to its plants, systems, machines
and networks. Systems, machines and components should only be connected to the
enterprise network or the internet if and to the extent necessary and with appropriate security
measures (e.g. use of firewalls and network segmentation) in place.
Additionally, Siemens’ guidance on appropriate security measures should be taken into
account. For more information about industrial security, please visit
(http://www.siemens.com/industrialsecurity).
Siemens’ products and solutions undergo continuous development to make them more
secure. Siemens strongly recommends to apply product updates as soon as available and to
always use the latest product versions. Use of product versions that are no longer supported,
and failure to apply latest updates may increase customer’s exposure to cyber threats.
To stay informed about product updates, subscribe to the Siemens Industrial Security RSS
Feed under (http://www.siemens.com/industrialsecurity).
Siemens Industry Online Support
You can find current information on the following topics quickly and easily here:
●
Product support
All the information and extensive know-how on your product, technical specifications,
FAQs, certificates, downloads, and manuals.
●
Application examples
Tools and examples to solve your automation tasks – as well as function blocks,
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●
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Information about Industry Services, Field Services, Technical Support, spare parts and
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●
Forums
For answers and solutions concerning automation technology.
●
my Support
Your personal working area in Industry Online Support for messages, support queries,
and configurable documents.
This information is provided by the Siemens Industry Online Support in the Internet
(http://www.siemens.com/automation/service&support).

Preface
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System Manual, 09/2016, A5E03461182-AD 7
IndustryMall
The Industry Mall is the catalog and order system of Siemens AG for automation and drive
solutions on the basis of Totally Integrated Automation (TIA) and Totally Integrated Power
(TIP).
Catalogs for all the products in automation and drives are available on the Internet
(https://mall.industry.siemens.com).

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8System Manual, 09/2016, A5E03461182-AD
Table of contents
Preface .................................................................................................................4
1 Documentation guide ............................................................................................... 13
2 System overview .................................................................................................... 17
2.1 What is the SIMATIC S7-1500 automation system?..........................................................19
2.2 What is the SIMATIC ET 200MP distributed I/O system? ..................................................22
2.3 What are fail-saf e automation systems and fail-safe modules? ..........................................25
2.4 How are SIMATIC Safety F-systems configured? .............................................................26
2.5 Components ..................................................................................................................29
3 Application planning................................................................................................. 33
3.1 Hardware configuration...................................................................................................33
3.1.1 Hardware configuration of the S7-1500 automation system...............................................33
3.1.2 Hardware configuration of the ET 200MP distributed I/O system with PROFINET
interface module ............................................................................................................35
3.1.3 Hardware configuration of the ET 200MP distributed I/O system with PROFIBUS
interface module ............................................................................................................37
3.2 System and load power supply ........................................................................................38
3.2.1 Use of system power supplies .........................................................................................40
3.2.2 Special considerations for the use of a system power supply in the first power
segment ........................................................................................................................41
3.3 Use of load power supplies .............................................................................................44
3.4 Power balance calculation ..............................................................................................45
4 Installation............................................................................................................ 48
4.1 Basics ...........................................................................................................................48
4.2 Installing the mounting rail ..............................................................................................50
4.3 Installing a system power supply .....................................................................................54
4.4 Installing a load current supply ........................................................................................56
4.5 Installing the CPU ..........................................................................................................58
4.6 Installing the interface module .........................................................................................59
4.7 Installing I/O modules .....................................................................................................61

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5 Wiring .................................................................................................................63
5.1 Rules and regulations for operation ................................................................................ 63
5.2 Additional rules and regulations for operation of the S7-1500/ET 200MP with fail-safe
modules ........................................................................................................................ 65
5.2.1 Safe functional extra-low voltage (SELV) for fail-safe modules.......................................... 65
5.2.2 Requirements of sensors and actuators for fail-saf e modules ........................................... 66
5.2.3 Capacitive crosstalk of digital input/output signals ............................................................ 68
5.3 Operation on grounded infeed ........................................................................................ 69
5.4 Electrical configuration ................................................................................................... 72
5.5 Wiring rules ................................................................................................................... 75
5.6 Connecting the supply voltage........................................................................................ 80
5.7 Connecting system power supply and load current supply ................................................ 81
5.8 Connecting the CPU/interface module to the load current supply ...................................... 83
5.9 Connecting interfaces for communication ........................................................................ 85
5.10 Front connector for the I/O modules ................................................................................ 85
5.10.1 Wiring front connectors for I/O modules without shield contact element ............................. 88
5.10.2 Wiring front connectors for I/O modules with shield contact element ................................. 90
5.10.3 Bringing the front connector into final position.................................................................. 96
5.11 Marking the I/O modules ................................................................................................ 98
5.11.1 Labeling strips ............................................................................................................... 98
5.11.2 Optional marking ........................................................................................................... 99
6 Configuring ......................................................................................................... 100
6.1 Configuring the CPU .....................................................................................................100
6.1.1 Reading out the configuration ........................................................................................101
6.1.2 Address assignment .....................................................................................................106
6.1.2.1 Addressing - overview...................................................................................................106
6.1.2.2 Addressing digital modules............................................................................................108
6.1.2.3 Addressing analog modules ..........................................................................................110
6.1.3 Process images and process image partitions ................................................................112
6.1.3.1 Process image - overview .............................................................................................112
6.1.3.2 Assign process image partitions to an OB ......................................................................113
6.1.3.3 Update process image partitions in the user program......................................................114
6.2 Configuring ET 200MP distributed I/O system ................................................................115
6.3 Assigning PROFIsaf e address to fail-safe modules with SIMATIC Safety .........................116
7 Basics of program execution ..................................................................................... 117
7.1 Events and OBs ...........................................................................................................117
7.2 CPU overload behavior .................................................................................................120
7.3 Asynchronous instructions ............................................................................................121

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10 System Manual, 09/2016, A5E03461182-AD
8 Protection........................................................................................................... 130
8.1 Overview of the protection functions ..............................................................................130
8.2 Configuring access protection for the CPU .....................................................................131
8.3 Using the dis play to set additional access protection.......................................................135
8.4 Using the user program to set additional access protection .............................................135
8.5 Know-how protection ....................................................................................................136
8.6 Copy protection ............................................................................................................139
8.7 Protection by locking the CPU/interface module .............................................................141
9 Flexible automation concepts.................................................................................... 142
9.1 Standard machine projects ...........................................................................................142
9.2 Configuration control (option handling)...........................................................................143
9.2.1 Configuring ..................................................................................................................145
9.2.2 Creating the control data record ....................................................................................147
9.2.2.1 Control data record for the S7-1500 Automation System.................................................150
9.2.2.2 Control data record for the ET 200MP distributed I/O system ..........................................151
9.2.2.3 Feedback data record of the ET 200MP distributed I/O system........................................152
9.2.2.4 Examples of configuration control ..................................................................................153
9.2.3 Transferring the control data record in the startup program of the CPU ............................156
9.2.4 Behavior during operation .............................................................................................160
10 Commissioning .................................................................................................... 161
10.1 Overview .....................................................................................................................161
10.2 Check before powering on for the first time ....................................................................163
10.3 Procedure for commissioning the S7-1500 automation system........................................164
10.3.1 Removing/inserting a SIMATIC memory card on the CPU ...............................................165
10.3.2 First power-on of the CPU.............................................................................................167
10.4 Procedure for commissioning the ET 200MP distributed I/O system.................................168
10.4.1 Commissioning the ET 200MP for PROFINET IO ...........................................................168
10.4.2 Commissioning the ET 200MP for PROFIBUS DP..........................................................169
10.5 Operating modes of the CPU ........................................................................................170
10.5.1 STARTUP mode ..........................................................................................................170
10.5.2 STOP mode .................................................................................................................173
10.5.3 RUN mode...................................................................................................................173
10.5.4 Operating mode transitions ...........................................................................................174
10.6 CPU memory reset .......................................................................................................176
10.6.1 Automatic memory reset ...............................................................................................177
10.6.2 Manual memory reset ...................................................................................................177
10.7 Backing up and restoring the CPU configuration.............................................................179
10.8 Identification and maint enance data ..............................................................................181
10.8.1 Reading out and ent ering I&M data ...............................................................................181
10.8.2 Record structure for I&M data .......................................................................................184
10.9 Shared commissioning of projects .................................................................................186

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11 SIMATIC memory card............................................................................................ 187
11.1 SIMATIC memory card - overview .................................................................................187
11.2 Setting the card type .....................................................................................................191
11.3 Data transfer with SIMATIC memory cards.....................................................................192
12 CPU display ........................................................................................................ 193
13 Maintenance........................................................................................................ 203
13.1 Removing and inserting I/O modules .............................................................................203
13.2 Replacement of I/O modules and front connectors..........................................................204
13.2.1 Coding element on the I/O module and on the front connector.........................................204
13.2.2 Replacing an I/O module...............................................................................................208
13.2.3 Replacing a front connector...........................................................................................209
13.3 Replacing the coding element at the power connector of the system power supply
and load current supply .................................................................................................211
13.4 Firmware update ..........................................................................................................213
13.5 Reset to factory settings................................................................................................218
13.5.1 Resetting the CPU to factory settings.............................................................................218
13.5.2 Resetting interface module (PROFINET IO) to factory settings ........................................222
13.6 Fault reactions with fail-safe modules.............................................................................223
14 Test functions and fault resolution............................................................................... 225
14.1 Test functions...............................................................................................................225
14.2 Reading out/saving service data ....................................................................................230
15 Technical specifications........................................................................................... 233
15.1 Standards and Approvals ..............................................................................................234
15.2 Electromagnetic compatibility ........................................................................................239
15.3 Electromagnetic compatibility of fail-safe modules ..........................................................241
15.4 Shipping and storage conditions ....................................................................................241
15.5 Mechanic al and climatic ambient conditions ...................................................................242
15.6 Information on insulation tests, protection class, degree of protection and rated voltage ....244
15.7 Use of the S7-1500/ET 200MP in zone 2 hazardous areas ..............................................245

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12 System Manual, 09/2016, A5E03461182-AD
A Dimension drawings............................................................................................... 246
A.1 Dimension drawings of the mounting rails ......................................................................246
A.2 Dimension drawing of shielding bracket for 35 mm modules ............................................249
A.3 Dimension drawing of shielding bracket for 25 mm modules ............................................250
A.4 Dimension drawing of shielding bracket for 35 mm modules ............................................250
A.5 Dimension drawing of shielding bracket for 25 mm modules ............................................251
A.6 Dimension drawing of shielding bracket for 35 mm modules ............................................251
A.7 Dimension drawing of shielding bracket for 25 mm modules ............................................251
A.8 Dimension drawings of the labeling strips.......................................................................252
A.9 Dimension drawing of test probe for measurement tap....................................................252
B Accessories/spare parts .......................................................................................... 253
Glossary ............................................................................................................ 256
Index ................................................................................................................ 266

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System Manual, 09/2016, A5E03461182-AD 13
Documentation guide
1
The documentation for the SIMATIC S7-1500 automation system, the CPU 1516pro-2 PN
based on SIMATIC S7-1500 and the SIMATIC ET 200MP distributed I/O system is arranged
into three areas.
This arrangement enables you to access the specific content you require.
Basic information
The System Manual and Getting Started describe in detail the configuration, installation,
wiring and commissioning of the SIMATIC S7-1500 and ET 200MP systems. For
CPU 1516pro-2 PN you use the corresponding operating instructions. The STEP 7 online
help supports you in the configuration and programming.
Device information
Product manuals contain a compact description of the module-specific information, such as
properties, wiring diagrams, characteristics and technical specifications.

Documentation guide
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14 System Manual, 09/2016, A5E03461182-AD
General information
The function manuals contain detailed descriptions on general topics regarding the SIMATIC
S7-1500 and ET 200MP systems, e.g. diagnostics, communication, motion control, Web
server, OPC UA.
You can download the documentation free of charge from the Internet
(http://w3.siemens.com/mcms/industrial-automation-systems-simatic/en/manual-
overview/Pages/Default.aspx).
Changes and supplements to the manuals are documented in a Product Information.
You can download the product information free of charge from the Internet
(https://support.industry.siemens.com/cs/us/en/view/68052815).
Manual Collection S7-1500/ET 200MP
The Manual Collection contains the complete documentation on the SIMATIC S7-1500
automation system and the ET 200MP distributed I/O system gathered together in one file.
You can find the Manual Collection on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/86140384).
SIMATIC S7-1500 comparison list for programming languages
The comparison list contains an overview of which instructions and functions you can use for
which controller families.
You can find the comparison list on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/86630375).
"mySupport"
With "mySupport", your personal workspace, you make the best out of your Industry Online
Support.
In "mySupport", you can save filters, favorites and tags, request CAx data and compile your
personal library in the Documentation area. In addition, your data is already filled out in
support requests and you can get an overview of your current requests at any time.
You must register once to use the full functionality of "mySupport".
You can find "mySupport" on the Internet (https://support.industry.siemens.com/My/ww/en).
"mySupport" - Documentation
In the Documentation area in "mySupport" you can combine entire manuals or only parts of
these to your own manual.
You can export the manual as PDF file or in a format that can be edited later.
You can find "mySupport" - Documentation on the Internet
(http://support.industry.siemens.com/My/ww/en/documentation).

Documentation guide
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System Manual, 09/2016, A5E03461182-AD 15
"mySupport" - CAxdata
In the CAx data area in "mySupport", you can access the current product data for your CAx
or CAe system.
You configure your own download package with a few clicks.
In doing so you can select:
●Product images, 2D dimension drawings, 3D models, internal circuit diagrams, EPLAN
macro files
●Manuals, characteristics, operating manuals, certificates
●Product master data
You can find "mySupport" - CAx data on the Internet
(http://support.industry.siemens.com/my/ww/en/CAxOnline).
Application examples
The application examples support you with various tools and examples for solving your
automation tasks. Solutions are shown in interplay with multiple components in the system -
separated from the focus on individual products.
You will find the application examples on the Internet
(https://support.industry.siemens.com/sc/ww/en/sc/2054).
TIA Selection Tool
With the TIA Selection Tool, you can select, configure and order devices for Totally
Integrated Automation (TIA).
This tool is the successor of the SIMATIC Selection Tool and combines the known
configurators for automation technology into one tool.
With the TIA Selection Tool, you can generate a complete order list from your product
selection or product configuration.
You can find the TIA Selection Tool on the Internet
(http://w3.siemens.com/mcms/topics/en/simatic/tia-selection-tool).

Documentation guide
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16 System Manual, 09/2016, A5E03461182-AD
SIMATIC Automation Tool
You can use the SIMATIC Automation Tool to run commissioning and maintenance activities
simultaneously on various SIMATIC S7 stations as a bulk operation independently of the TIA
Portal.
The SIMATIC Automation Tool provides a multitude of functions:
●Scanning of a PROFINET/Ethernet network and identification of all connected CPUs
●Address assignment (IP, subnet, gateway) and station name (PROFINET device) to a
CPU
●Transfer of the date and the programming device/PC time converted to UTC time to the
module
●Program download to CPU
●Operating mode switchover RUN/STOP
●Localization of the CPU by means of LED flashing
●Reading out CPU error information
●Reading the CPU diagnostic buffer
●Reset to factory settings
●Updating the firmware of the CPU and connected modules
You can find the SIMATIC Automation Tool on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/98161300).
PR ONETA
With SIEMENS PRONETA (PROFINET network analysis), you analyze the PROFINET
network during commissioning. PRONETA features two core functions:
●The topology overview independently scans PROFINET and all connected components.
●The IO check is a fast test of the wiring and the module configuration of a system.
You can find SIEMENS PRONETA on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/67460624).

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System overview
2
What's new s ince the previous version (system manual S7-1500, ET 200MP; Edition 12/2014)
What's new?
What are the customer benefits?
Where can I find information?
New contents
CompactCPUs
You can use compactCPUsfor smaller to
medium-sized applications The compact
CPUs have integrated analog and digital on-
board I/O as well as integrated technology
functions.
Starting from section System
overview (Page 17)
Technology CPUs You can use technology CPUs for demanding
applications. Technology CPUs are equipped
with expanded motion control functions.
Starting from section System
overview (Page 17)
Fail-safe modules With fail-safe modules,you replace the con-
ventional safety engineering technical setup.
Among other things, this involves replacement
of switching devices for EMERGENCY OFF,
protective door monitoring and two-hand
operation.
Starting from section System
overview (Page 17)
Formatting, erasing or
converting a SIMATIC
memorycard via the dis-
play
Your SIMATIC memory card is formatted,
erased or converted to a program card direct-
ly via the displaywithout having to use
STEP 7. You save time.
Section CPU display
(Page 193)

System overview
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18 System Manual, 09/2016, A5E03461182-AD
What's new?
What are the customer benefits?
Where can I find information?
Changed
contents
Asynchronous instructions You are given an overview of the resource
consumption ofasynchronous instructions.
You can use this information to ensure ade-
quate resources in the CPU.
Section Asynchronous in-
structions (Page 121)
Configuration control Configuration control providesyou with the
following advantages:
•Different configuration levels of a standard
machine can be handled in a single pro-
ject.
•No changesto the hardware configuration
or user program are needed.
•Flexibility to vary the central-
ized/decentralized structure ofa system.
•Easy handling during maintenance,ver-
sioning and upgrades.
•Hardware savings:You only use the I/O
modules that you currently need.
•Potential savings when building, commis-
sioning and creating documentation for
standard machines.
Section Configuration control
(option handling) (Page 143)
Wiring rules for the power
supply elements
You are given information on properconnec-
tion of the power supplyelements.
Section Wiring rules
(Page 75)
Connecting the
CPU/interface module to
the load current supply
You are given information on properconnec-
tion of the CPU/interface module to the load
current supply.
Section Connecting the
CPU/interface module to the
load current supply (Page 83)
Firmware update via ac-
cessible devices
You are given information on fast firmware
updates via accessible devices in the net-
work.
Section Firmware update
(Page 213)

System overview
2.1 What is the SIMATIC S7-1500 automation system?
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System Manual, 09/2016, A5E03461182-AD 19
2.1
What is the SIMATIC S7-1500 automation system?
SIMATIC S7-1500
The SIMATIC S7-1500 automation system is the further development of the SIMATIC
S7-300 and S7-400 automation systems.
Through the integration of numerous new performance features, the S7-1500 automation
system offers you excellent operability and the highest performance.
Customer benefits of the system
Figure 2-1 SIMATIC S7-1500 automation system - Customer benefits

System overview
2.1 What is the SIMATIC S7-1500 automation system?
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20 System Manual, 09/2016, A5E03461182-AD
Field of application
The S7-1500 automation system offers the required flexibility and performance for a wide
range of controller applications in machine and plant engineering. The scalable configuration
makes it possible for you to adapt your PLC to the local conditions.
By using fail-safe S7-1500 CPUs and fail-safe modules, you can implement applications for
safety engineering. Configuration and programming of your safety program takes place the
same way as for standard CPUs - in the TIA Portal.
In addition to the standard motion control and technology functions available in the S7-1500,
SIMATIC S7-1500 technology CPUs offer you additional features such as enhanced
synchronous operation and cam disk functionalities.
The S7-1500 automation system is approved for IP20 degree of protection and is intended
for use in a dry environment and installation in a control cabinet.
Configuration
The SIMATIC S7-1500 automation system is made up of the following components:
●CPU (standard, fail-safe, compact or technology CPU)
●Digital and analog I/O modules
●Communications modules (PROFINET/Ethernet, PROFIBUS, point-to-point)
●Technology modules (counting, position detection, time-based IO)
●Load current supply
●System power supply (optional)
You install the S7-1500 automation system on a mounting rail. It can consist of up to 32
modules (CPU, system supply and 30 I/O modules). You connect the modules to each other
with U connectors.