SIMATIC S7-1500 CPUs

S7-1500 CPUs

The heart of the SIMATIC S7-1500

The central processing units (CPUs) are the heart of the SIMATIC S7-1500. They execute the user program and network the controller with other automation components. Thanks to numerous innovations, the CPUs of the SIMATIC S7-1500 deliver the ultimate plus in productivity and efficiency. The hardware is extremely compact and certified to IP20 or IP65/67 standard. These highly integrated, highly versatile modules save space in and around the cabinet and reduce the spare parts inventory costs.

You can configure your controller here.

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At a glance

The right CPUs for your applications

The CPUs in the SIMATIC S7-1500 are just what you need to turn your applications into practical reality.

Overview of SIMATIC S7-1500 CPUs

The scope ranges from standard and failsafe CPUs for small to midsize requirements, offering compact size designs with integrated inputs and outputs, supplemented with technological functions, all the way up to most demanding high-performance applications. Wherever an integration of high-level language C/C++ as PLC function or as self-contained application is needed, multifunctional platform CPUs come into play. For applications in the field of midrange motion control, technology CPUs provide support with extended motion control features. Special requirements regarding robustness or environmental conditions are covered with a separate SIPLUS device family.

Additional highlights of the S7-1500 CPUs

Innovative memory card for project data, archive, recipes and documents

  • Sufficient memory for any application, regardless of industry and different project sizes through the use of flexible memory cards
  • Optimized data modules and symbolic variables
  • Data retentivity for the entire working memory through intelligent system power

Efficient engineering using STEP 7

  • Symbolic programming for significant variable names 
  • Optimized compilers performance for shorter cycle times
  • Higher computing accuracy through the use of 64-bit data types 
  • Download of consistent projects

Realizing future-proof machine concepts

  • Investment protection for existing know-how due to scalability of programs on all S7-1500 CPUs 
  • Integrated migration tool enables takeover of existing S7 projects
  • Hardware upload allows fast and faultless determination of the used modules 
  • Project upload with symbolic representation simplifies service deployment

Protect your productivity

  • Security against undesirable access through authentication of the connected communication participants
  • Customer investment protection through protection of module and program
  • High system availability through integrity and confidentiality protection of project planning data, firmware file and secure communication

Safety with no need for additional hardware

  • Unified engineering for standard and fail-safe automation
  • PROFIsafe-capable communication via PROFINET and PROFIBUS
Product range

Find the right CPU for your requirements

Discover the extensive range of controllers you can use to turn your machine concepts into reality.

SIMATIC S7-1500 CPUs

SIMATIC S7-1500 CPUs are scalable in terms of power, memory and quantity structure, they offer future-proof communication with OPC UA and PROFINET, and basic motion control functions.

 

In addition, the fail-safe versions have a larger memory for standard and fail-safe applications and fail-safe communication via PROFIsafe with PROFINET/PROFIBUS, and guarantee functional safety to SIL 3 in accordance with IEC 62061 and PL e in accordance with ISO 13849.

Standard CPUs
CPU 1511-1 PN
CPU 1513-1 PN
CPU 1515-2 PN
CPU 1516-3 PN/DP
CPU 1517-3 PN/DP
CPU 1518-4 PN/DP 
Use Case

Small to medium applications

 

Medium size applications

Medium to high end applications
Advanced applications and additional communication tasks
Demanding applications and additional communication tasks
High-performance applications and shortest possible response times 
PN IO IRT (2 Port)
2 Port
2 Port
2 Port
2 Port
2 Port
2 Port
PN IO RT
-
-
1 Port
1 Port
1 Port
1 Port
PN (Gbit)
-
-
-
-
-
1 Port
Profibus DP
-
-
-
1 Interface
1 Interface
1 Interface
Program/Data memory
150 KB / 1 MB
300 KB / 1,5 MB
500 KB / 3 MB
1 MB / 5 MB
2 MB / 8 MB
4 MB / 20 MB
Bit-Performance
60 ns
40 ns
30 ns
10 ns
2 ns
1 ns
Max. number of connections
96
128
192
256
320
384

Number of motion control resources

 
800
2400
2400
10240
10240
Width
35 mm
35 mm
70 mm
70 mm
175 mm
175 mm
 
Fail-safe CPUs
CPU 1511F-1 PN
CPU 1513F-1 PN
CPU 1515F-2 PN 
CPU 1516F-3 PN/DP 
CPU 1517F-3 PN/DP 
CPU 1518F-4 PN/DP 
Use Case
Small to medium applications

Medium size applications

Medium to high end applications
Advanced applications and additional communication tasks
Demanding applications and additional communication tasks
High-performance applications and shortest possible response times 
PN IO IRT (2 Port)
2 Port
2 Port
2 Port
2 Port
2 Port
2 Port
PN IO RT
-
-
1 Port
1 Port
1 Port
1 Port
PN (Gbit)
-
-
-
-
-
1 Port
Profibus DP
-
-
-
1 Interface
1 Interface
1 Interface
Program/Data memory
225 KB / 1 MB
450 KB / 1,5 MB
750 KB / 3 MB
1,5 MB / 5 MB
3 MB / 8 MB
6 MB / 20 MB
Bit-Performance
60 ns
40 ns
30 ns
10 ns
2 ns
1 ns
Max. number of connections
96
128
192
256
320
384
Number of motion control resources
800
800
2400
2400
10240
10240
Width
35 mm
35 mm
70 mm
70 mm
175 mm
175 mm
 

One of the following memory cards is always required to operate the SIMATIC S7-1500:

Compact and scalable

Compact CPUs are scalable in performance, memory and quantity structure. With integrated inputs and outputs, they can be used in a space-saving way and provide integrated technology functions (counting, measuring and positioning).

CPU Type
CPU 1511C-1 PN 
CPU 1512C-1 PN 
Use Case
Small to medium applications
Medium size applications
PN IO IRT (2 Port)
2 Port
2 Port
Program/Data memory
175 KB / 1 MB
175 KB / 1 MB
Bit-Performance
60 ns
48 ns
Max. number of connections
96
128
Number of motion control resources
800
800
Width
85 mm
110 mm
 

Extended motion control functionality

Technology CPUs are scalable in performance, memory and quantity structure. They come with an extended scope of motion control functionality (gear and cam disk synchronism, kinematics with up to four interpolating axes), larger memory for standard, motion control and failsafe applications as well as future-proof communication with OPC UA and PROFINET.

Motion control has never been so easy for PLC programmers!

Engineering for the SIMATIC S7-1500T CPU and SINAMICS S210, S110, S120, and V90 drives can be performed using TIA Portal. Parameterization of the technology and motion control functions is performed via technology objects (TO). TOs give PLC programmers an easy view of more complex functions, enable configuration via input screens, save time, and reduce the rate of error thanks to the use of simulation tools. Automatic comparison of technology values between controller and drive results in reduced time exposure for engineering, commissioning and services. User-friendly axis diagnostics and powerful trace functions ensure maximum transparency. Cam disks can be optimized in accordance with VDI guidelines.

Technology CPUs
CPU 1511T-1 PN
CPU 1515T-2 PN
CPU 1516T-3 PN/DP
CPU 1517T-3 PN/DP
Use Case
Small to medium applications
Medium to high end applications

Advanced applications and additional communication tasks

Demanding applications and additional communication tasks, appropriat for safe monitoring for the movement of kinematics

PN IO IRT (2 Port)
2 Port
2 Port
2 Port
2 Port
PN IO RT
-
1 Port
1 Port
1 Port
Profibus DP
-
-
1 Interface
1 Interface
Program/Data memory
225 KB / 1 MB
750 KB / 3 MB
1,5 MB / 5 MB
3 MB / 8 MB
Bit-Performance
60 ns
30 ns
10 ns
2 ns
Max. number of connections
256
320
256
320
Number of motion control resources
800
2400
6400
10240

Number of extended motion control resources

 
120
192
265
Width
175 mm
175 mm
175 mm
175 mm
 
Fail-safe T-CPUs
CPU 1511TF-1 PN
CPU 1515TF-2 PN
CPU 1516TF-3 PN
CPU 1517TF-3 PN/DP
Use Case
Small to medium applications
Medium to high end applications

Advanced applications and additional communication tasks

Demanding applications and additional communication tasks, appropriat for safe monitoring for the movement of kinematics

PN IO IRT (2 Port)
2 Port
2 Port
2 Port
2 Port
PN IO RT
-
1 Port
1 Port
1 Port
Profibus DP
-
-
1 Interface
1 Interface
Program/Data memory
225 KB / 1 MB
750 KB / 3 MB
1,5 MB / 5 MB
3 MB / 8 MB
Bit-Performance
60 ns
30 ns
10 ns
2 ns
Max. number of connections
96
192
256
320
Number of motion control resources
800
2400
6400
10240
Number of extended motion control resources
40
120
192
265
Width
35 mm
70 mm
175 mm
175 mm
 

Utilization under extreme conditions

SIPLUS CPUs are suited for extremely harsh, industrial settings with tougher demands in terms of expanded temperature range and an atmosphere containing harmful gases. They can be operated in an ambient temperature of -40°C to +70°C, can withstand condensation, elevated atmospheric humidity, and dust and water. They will also function under extreme environmental loads (e.g. harmful gas environments), elevated mechanical loads, and in various non-standard voltage ranges. Special industrial solutions make additional applications possible.

For high-performance applications

Multifunctional platform CPUs enable the use of programs created with the high-level language C/C++, to allow the continued use of existing technological expertise. They can be used via an API as an application independent of the PLC cycle, and/or as a PLC function block call within the cycle. The required SIMATIC ODK 1500S engineering kit contains the familiar Eclipse editor. The model-based code generation for Matlab Simulink uses SIMATIC Target S7-1500S. The plug-and-Play function of the SIMATIC memory card ensures the long-term spare part compatibility for which it is known.

MFP CPUs
CPU 1518-4 PN/DP MFP 
CPU 1518F-4 PN/DP MFP
Use Case
High-performance application with flexible high-level language integration
PN IO IRT (2 Port)
2 Port
2 Port
PN IO RT
1 Port
1 Port
PN (Gbit)
1 Port
1 Port
Profibus DP
1 Interface
1 Interface
Program/Data memory
4 MB / 20 MB
6 MB / 20 MB
Bit-Performance
1 ns
1 ns
Max. number of connections
384
384
Number of motion control resources
10240
10240
Width
175 mm
175 mm
 

Maximum availability

Redundant CPUs are synchronized via PROFINET and are suitable for applications in which controller availability is very important. High-availability CPUs support applications in which “bumpless” availability is more important. Synchronization is via dedicated synchronization modules and cables. The primary CPU is programmed just like a standard CPU – the backup CPU is automatically fed with the same program with support from the system, and synchronously monitors the primary CPU in operation.

Redundant / high-availability CPUs

CPU 1513R-1 PN
CPU 1515R-2 PN
CPU 1517H-3 PN
Use Case
Medium size applications
Medium to high end applications

Demanding applications and additional communication tasks

PN IO RT
2 Port
2 Port
2 Port
PN (Gbit)
-
1 Port
1 Port
Program/Data memory
300 KB / 1.5 MB
500 KB / 3 MB
2 MB / 8 MB
Bit-Performance
80 ns
60 ns
4 ns
Max. number of connections
88
108
160
Width
35 mm
70 mm
210 mm
 

SIMATIC S7-1500H supplies

Further information

 

Synchronization module, max. 10 m

Synchronization module, max. 10 km

Synchronization cable  LWL 1 m

Synchronization cable LWL 2 m
Synchronization cable LWL 10 m

SIMATIC S7-1500H-Bundle

Directly order the controller you need via the Industry Mall

To the Industry Mall

TIA Portal

Engineered with TIA Portal

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Automation tasks

Automation tasks

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Downloads & Support

Further information

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Support Services

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Spare Parts Services 

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SITRAIN - Digital Industry Academy

Further education for all Siemens industrial products - directly from the manufacturer, individually, with the latest methods.

Optimum configuration

Get off to a flying start now with SIMATIC S7-1500

To turn your machine concepts into reality, all you need now is the ideal configuration. The TIA Selection Tool makes it easy to find the right controller from our portfolio for your needs. The TIA Selection Tool is available as a desktop version for downloading, or as a cloud-based option.

You can configure your controller here.

TIA Selection Tool