The fail-safe SIMATIC S7-1500 CPUs are equipped with a large program and data memory for complex standard and fail-safe applications. They can be used as PROFINET I/O controller or as distributed intelligence (PROFINET I-device).
The process signals including safe signals can be recorded either centrally by signal modules or distributed via PROFINET.
The integrated PROFINET I/O interface is designed as a switch so that a line topology can be set up in the plant. The additionally integrated PROFINET I/O interface (as of CPU1516F-3) with separate IP address can be used for network separation, for example. Additional PROFINET/PROFIBUS interfaces can be added using communications modules. These also support PROFIsafe and thus allow the connection of even more fail-safe devices.
The SIMATIC S7-1500 fail-safe controllers are certified according to EN 61508 (2010 version) for functional safety and are suitable for use in safety-related applications up to SIL 3 according to
IEC 62061 and PL e according to ISO 13849. Additional password protection for F-configuration
and F-program is set up for IT security.

Failsafe CPUs

CPU 1511F-1 PN: the entry-level CPU for medium fail-safe and standard applications

CPU 1511F-1 PN: the entry-level CPU for standard and fail-safe applications with medium requirements for processing performance and reaction speeds in discrete manufacturing technology. The CPU 1511-1 PN can be used as PROFINET I/O controller or as distributed intelligence (PROFINET I-device).

• Fail-safe CPU with display
• Work memory 225 KB code and 1 MB data
• 60ns bit operation time
• PROFINET I/O controller / IO device
• Integrated PROFINET interface for Ethernet and PROFINET
  basic services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 35 mm

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CPU 1513F-1 PN for medium fail-safe and standard applications

The CPU 1513F-1 PN is the CPU with medium program and data memory for standard and fail-safe applications which contain distributed automation structures in addition to centralized I/O. It can be used as PROFINET I/O controller or as distributed intelligence (PROFINET I-device).

• Fail-safe CPU with display
• Work memory 450 KB code and 1.5 MB data
• 40ns bit operation time
• PROFINET IO controller / IO device
• Integrated PROFINET interface for Ethernet and PROFINET
  basic services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 35 mm

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CPU 1515F-2 PN for medium to large fail-safe and standard applications

CPU 1515F-2 PN for applications with medium/high requirements for program scope and processing speed, for distributed setup via PROFINET IO with PROFIsafe.

• Fail-safe CPU with display
• Work memory 750 KB code and 3 MB data
• 30 ns Bit operation time
• PROFINET I/O controller / IO device
• Integrated PROFINET interface with 2 ports for line structure
• Additional interface for Ethernet and PROFINET basic
  services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 70 mm

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CPU 1516F-3 PN/DP for exceptionally demanding fail-safe and standard applications and additional communication tasks

CPU 1516F-3 PN/DP for applications with medium/high requirements for program scope and processing speed, for distributed setup via PROFINET I/O and PROFIBUS DP with PROFIsafe.

• Fail-safe CPU with display
• Work memory 1.5 MB code and 5 MB data
• 10 ns bit operation time
• PROFINET I/O controller / IO device
• Integrated PROFINET interface with 2 ports for line structure
• Additional PROFIBUS DP master interface
• Additional interface for Ethernet and PROFINET basic
  services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 70 mm

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CPU 1517F-3 PN/DP for most sophisticated fail-safe and standard applications as well as processing speed

CPU 1517F-3 PN/DP for applications with very high requirements for program scope and processing speed, for distributed setup via PROFINET I/O and PROFIBUS DP with PROFIsafe. The additional integrated PROFINET interfaces with separate IP address can be used for network separation for example.

• Fail-safe CPU with display
• Work memory 3 MB code and 8 MB data
• 2 ns bit operation time
• PROFINET I/O controller / IO device
• Integrated PROFINET interface with 2 ports for line structure
• Additional PROFIBUS DP master interface
• Additional interface for Ethernet and PROFINET basic
  services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 175 mm

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CPU 1518F-4 PN/DP for high-performance fail-safe and standard applications and shortest reaction times

CPU 1518F-4 PN/DP for applications with high requirements for program scope and processing speed, for distributed setup via PROFINET I/O and PROFIBUS DP with PROFIsafe. The additional integrated PROFINET interfaces with separate IP address can be used for network separation for example.

• Fail-safe CPU with display
• Working memory 6 MB code and 20 MB data
• 1 ns bit operation time
• PROFINET IO controller / IO device
• Integrated PROFINET interface with 2 ports for line structure
• Additional PROFIBUS DP master interface
• Additional interface for Ethernet and PROFINET basic
  services
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• 4-level security concept
• Width: 175 mm

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CPU 1518F-4 PN/DP ODK for standard and failsafe application with high demand on the program scope and processing speed for decentral structure via PROFINET I/O and PROFIBUS DP with PROFIsafe

• failsafe CPU with display
• Work memory 6 MB code and 20 MB data
• 1 ns bit operation time
• ODK-application for RT (C/C++ Code)
• PROFINET I/O controller / IO device
• Integrated PROFINET interface with 2 ports for line structure, 1 PROFITNET RT interface with separated IP-address,
1 additional PROFINET interface (total of 4 ports)
• Additional PROFIBUS DP master interface
• Integrated technology functions: motion, control, counting
  and measuring
• Integrated system diagnostics
• OPC UA Server Data Access
• 4-level security concept
• Width: 175 mm

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